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Seagate Cheetah ST373207LC-RF hard disk drive

1. IV J2 E Jumper Plug J6 enlarged to show detail Drive Front Figure 20 2 option select header LW models only 8 1 1 1 2 3 4 5 6 48 Notes for Figures 18 19 and 20 Notes explaining the functions of the various jumpers on jumper header connectors J2 J5 and J6 are given here and in Section 8 1 2 The term default means as standard OEM units are configured with a jumper on those positions when shipped from factory Off means no jumper is installed On means a jumper is installed OFF or ON underlined is factory default condition The PCBA on LC models does not have connector J5 The J5 connector signals conform to SFF 8009 Revision 2 0 Unitized Connector for Cabled Drives signal assignments for auxiliary connectors These signals are also on 80 pin J1 I O connector See tables 16 and 17 note 9 Voltage supplied by the drive Dashed area is optional host circuitry external to the drive connected to host supplied optional usage plug Do not connect anything to J5 pins 9 11 12 or J6 pins 13 20 Connect an external Drive Activity LED to J6 pins 11 and 12 see Figure 18 or to J5 pin 8 see Figure 19 and the drives 5V power source through an appropriately sized current limiting resistor The drive pro vides an internal 150 ohm current limiting resistor for the J6 connection Cheetah 10K 7 SCSI Product Manual
2. 45 8 1 1 Notes for Figures 18 19 and 20 48 8 1 2 Function description 49 8 2 Drive orientation E a E E T aS 50 8 3 Mate ae Ge A ranku PEN dv eter o 50 8 4 Drive mounting io 51 8 5 Grounding VM SUAM sp LM Meu uos 51 Interface reguirements ea 53 9 1 General description hn 53 9 2 SCSI interface messages supported 53 9 3 SCSI interface commands supported 54 9 3 1 Inquiry Vital Product data 58 9 3 2 Mode Sense 59 9 4 SCSI bus conditions and miscellaneous features supported 63 9 5 Synchronous data transfer 64 9 5 1 Synchronous data transfer periods supported 64 9 5 2 REQ ACK OffSet See ee RS 64 9 6 Physical interface ii 64 9 6 1 DC cable and connector 65 9 6 2 SCSI interface physical description 67 9 6 3 SCSI interface cable reguirements 68 9 6 4 Mating connectors
3. 68 9 7 Electrical description inna 80 9 7 1 Multimode SE and LVD alternatives 80 9 8 Terminator requirements 83 9 9 Terminator DoWer llle hh rs 83 9 10 Disc drive SCSI timing ii 84 9 11 Drive activity LED irska hee fo te PEE oie LER cue eda REPE 86 Seagate Technology support services 87 Cheetah 10K 7 SCSI Product Manual Rev C Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 List of Figures Cheetah 10K 7 SCSI family drive ST3300007LC shown 1 Typical 573300007 drive 12 V current profile 28 Typical 573300007 drive 5 V current profile 28 Typical 573146707 drive 12 V current profile 29 Typical 573146707 drive 5 V current profile 29 Typical 57373207 drive 12 V current profile 30 Typical 57373207 drive 5 V current profile 30 ST3300007 DC current and power vs
4. lille hn 27 6 2 3 12 V Current profile 27 6 3 Power dissipation ee n 31 6 4 Environmental limits 34 Cheetah 10K 7 SCSI Product Manual Rev C 7 0 8 0 9 0 10 0 vi 6 4 1 Temperature ete hh 34 6 4 2 Relative humidity 0 34 6 4 3 Effective altitude sea level 34 6 4 4 Shock and vibration 35 6 4 5 Air cleanlineSS eh hn 37 6 4 6 Corrosive environment 37 6 4 7 ACOUSTICS i e dee kae e eee ae eee dren e baka 38 6 4 8 Electromagnetic susceptibility 38 6 5 Mechanical specifications 38 Defect and error 1 41 7 1 Drive interrial defects sure wee en RR human REIR Pee PG EE 41 7 2 Drive error recovery procedures 41 7 3 SCSI systems errors tte 43 7 4 Background Media Scan 44 7 4 1 Media Pres xe utem ke iR apie DOG E Sti eed XD Med 44 Installation eet ete enun ream ue Rx rt a CA eee 45 8 1 Drive ID option select header
5. F 1 750 010 44 45 25 1 122 020 28 50 50 J 4 000 010 101 60 25 F K 250 010 6 35 25 1 L 1 638 010 41 60 25 AJ M 181 020 4 60 50 Y s es N 040 max 1 20 max 7 P 1 625 4 020 41 28 50 R 2 469 020 62 71 50 S 276 040 7 00 1 02 T 015 max 0 38 max lo U 015 max 0 38 max aM E lt X Figure 17 LC mounting configuration dimensions 40 Cheetah 10K 7 SCSI Product Manual Rev C 7 0 Defect and error management The drive as delivered complies with this specification The read error rate and specified storage capacity are not dependent upon use of defect management routines by the host initiator Defect and error management in the SCSI system involves the drive internal defect error management and SCSI systems error considerations errors in communications between Initiator and the drive Tools for use in designing a defect error management plan are briefly outlined in this section with references to other sections where further details are given 7 1 Drive internal defects During the initial drive format operation at the factory media defects are identified tagged as being unusable and their locations recorded on the drive primary defects list referred to as the P list and also as the ETF defect list At factory format time these known defects are also reallocated that is reassigne
6. Thailand 001 800 11 0032165 Customer Service Operations Warranty Service Call center Toll free Direct dial FAX Asia Pacific 65 6485 3595 65 6485 4860 Australia 1800 12 9277 India 91 44 821 6164 91 44 827 2461 Hours of operation are 8 30 A M to 5 30 P M Monday through Friday Australian Western time Hours of operation are 9 00 A M to 6 00 P M Monday through Saturday SHours of operation are 9 30 A M to 6 30 P M Monday through Friday 4Authorized Service Center 90 Cheetah 10K 7 SCSI Product Manual Rev C Publication feedback survey We are interested in your comments and suggestions regarding this publication Please take a few minutes to participate in our survey at the following URL http survey seagate com survey techpubs nsf Thank you for your time and comments Cheetah 10K 7 SCSI Product Manual Rev C 91 92 Cheetah 10K 7 SCSI Product Manual Rev C Index Symbols 5 and 12 volt supplies 27 Numerics 68 conductor connector 69 68 pin connector 71 80 conductor connector 69 80 conductor interface 69 80 pin connector option 68 80 pin I O connector 76 78 A AC power 25 access time 12 accessories 10 acoustics 38 activity indicator 80 activity LED 86 actuator 9 50 actuator assembly 8 address 13 AFR 9 18 air cleanliness 37 air flow 50 suggested 50 altitude 34 altitude and atmospheric pressure 34 ambient 34 ANSI SCSI documents 5 arbitration
7. Trifurcated Pins 980 1 368 2 767 4 places 24 89 34 74 19 48 3 650 92 71 Figure 25 Nonshielded 68 pin SCSI device connector used on LW drives Cheetah 10K 7 SCSI Product Manual Rev C i 7 00 12 70 End View 500 Ala TA ses 57 87 0 2 278 0 15 LE ood et of Datum Y BITE em F t Vi rmm HI ront View 6215 0 15 2 447 005 20 15 M Y d Insert mating Housing O connector 4 Top View Contact J sA 2 520 ug n of Datum Y eae a Pin 1 Pin 40 Z DLL CHE LL LLL zv 101010000001100100000011110110100011011 p Back View Pin 41 Pin 80 Figure 26 Nonshielded 80 pin SCSI SCA 2 connector used on LC drives Cheetah 10K 7 SCSI Product Manual Rev C Table 14 LW 68 conductor single ended SE P cable signal pin assignments 11 Note Note A minus sign preceding a signal name indicates that signal is active low Signal Connector contact Cable conductor Connector Signal name 1 number 3 number 2 contact num
8. 3 Connector contacts are on 0 050 inch 1 27 mm centers 4 Front panel LED signal indicates drive activity for host front panel hard drive activity indicator 5 Asserted by host to enable Motor Start option enables starting motor via SCSI bus command 6 Asserted by host to enable Delayed Motor Start option motor starts at power on or after a delay of 12 sec onds times drive ID This and 3 above are mutually exclusive options 7 Binary code on A2 A1 and AO asserted by host to set up SCSI bus ID in drive 8 GND provides a means for differential devices to detect the presence of a single ended device on the bus Drive will not operate I O bus at Ultra2 or faster SCSI data rates if this is grounded 9 Signals 4 through 7 are used in place of installing jumpers and cables on option select connectors J2 and J6 See Section 8 1 1 notes 10 NC means no connection 11 8 bit devices which are connected to the 16 data bit LVD I O shall leave the following signals open DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 and DBP1 8 bit devices which are connected to the 16 data bit single ended SE I O shall have the following signals open DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 and DBP1 All other signals should be connected as shown 12 Pins 38 39 40 44 78 79 and 80 are option select pins and are tied high by the drive circuitry The pre ferred electrical connection
9. 4 2 3 Reference documents Woo 5 General description oo mn aaa men ater ce eee a ee ere 7 3 1 Standard features ci 8 3 2 Media characteristics 8 3 3 Performances c ust tensis DULL ae ae Lene 9 3 4 eu el ce ere e Deb ee eet mee E E ee es 9 3 5 Formatted capacitieS ic 9 3 5 1 Programmable drive capacity 10 3 6 Factory installed accessories 10 3 7 Options factory installed 10 3 8 Accessories user installed 10 Performance characteristics 11 4 1 Internal drive characteristics transparent to user 11 4 2 SCSI performance characteristics visible to user 11 4 2 1 Access ime 4 ieee Sead ta A PAL PR 12 4 2 2 Format command execution time minutes 1 12 4 2 3 Generalized performance characteristics 12 4 3 Start Stop tiM E pn HP 13 4 4 Prefetch multi segmented cache control 13 4 5 Gadche o perati0 ua r Mam 13 4 5 1 Caching Write datane mala kla nt pohan c bri ava hues 14 4 5 2 Pretetchi operation aere mesin re
10. SCSI SCA 2 connector used on LC drives 73 Typical SE LVD alternative transmitter receiver circuits 81 Cheetah 10K 7 SCSI Product Manual Rev C vii viii Cheetah 10K 7 SCSI Product Manual Rev C 1 0 Scope This manual describes Seagate Technology LLC Cheetah 10K 7 SCSI disc drives Cheetah 10K 7 SCSI drives support the small computer system interface SCSI as described in the ANSI SCSI SPI 3 interface specifications to the extent described in this manual The SCSI Interface Product Manual part number 75789509 describes general SCSI interface characteristics of this and other families of Seagate drives From this point on in this product manual the reference to Cheetah 10K 7 SCSI models is referred to as the drive unless references to individual models are necessary Figure 1 Cheetah 10K 7 SCSI family drive ST3300007LC shown Cheetah 10K 7 SCSI Product Manual Rev C 1 Cheetah 10K 7 SCSI Product Manual Rev C 2 0 Applicable standards and reference documentation The drive has been developed as a system peripheral to the highest standards of design and construction The drive depends upon its host equipment to provide adequate power and environment in order to achieve opti mum performance and compliance with applicable industry and governmental regulations Special attention must be given in the areas of safety power distribution shielding audible nois
11. DB2 DB3 9 17 18 43 DB3 DB4 10 19 20 44 DB4 DB5 11 21 22 45 DB5 DB6 12 23 24 46 DB6 DB7 13 25 26 47 DB7 DBP 14 27 28 48 DBP Ground 15 29 30 49 Ground DIFFSNS 8 16 31 32 50 Ground TermPwr 17 33 34 51 TermPwr TermPwr 18 35 36 52 TermPwr Reserved 19 37 38 53 Reserved Ground 20 39 40 54 Ground ATN 21 41 42 55 ATN Ground 22 43 44 56 Ground BSY 23 45 46 57 BSY ACK 24 47 48 58 ACK RST 25 49 50 59 RST MSG 26 51 52 60 MSG SEL 27 53 54 61 SEL C D 28 55 56 62 C D REQ 29 57 58 63 REQ V O 30 59 60 64 DB8 31 61 62 65 DB8 DB9 32 63 64 66 DB9 DB10 33 65 66 67 DB10 DB11 34 67 68 68 DB11 Notes See page following Table 17 Cheetah 10K 7 SCSI Product Manual Rev C Table 16 LC 80 pin single ended SE I O connector pin assignments 11 Note A minus sign preceding a signal name indicates that signal is active low Connector contact Signal name 1 number 3 Signal number 3 Contact name 1 12 V CHARGE 1 41 12 V GND 12V 2 42 12 V GND 12V 3 43 12 V GND 12V 4 44 MATED 1 12 NC 10 5 45 NC 10 NC 10 6 46 DIFFSNS 8 DB11 7 47 GND DB10 8 48 GND DB9 9 49 GND DB8 10 50 GND 11 51 GND REQ 12 52 GND C D 13 53 GND SEL 14 54 GND MSG 15 55 GND RST 16 56 GND ACK 17 57 GND BSY 18 58 GND ATN 19 59 GND
12. Cheetah 10K 7 SCSI ST3300007LW LC ST3146707LW LC ST373207LW LC Seagate Cheetah 10K 7 SCSI ST3300007LW LC ST3146707LW LC ST373207LW LC Seagate 2003 2005 Seagate Technology LLC All rights reserved Publication number 100260915 Rev C May 2005 Seagate and Seagate Technology are registered trademarks of Seagate Technology LLC Cheetah SeaTools SeaFONE SeaBOARD SeaTDD and the Wave logo are either regis tered trademarks or trademarks of Seagate Technology LLC Other product names are regis tered trademarks or trademarks of their owners Seagate reserves the right to change without notice product offerings or specifications No part of this publication may be reproduced in any form without written permission of Seagate Technology LLC Revision status summary sheet Revision Date Sheets Affected Rev A 03 17 04 1 1 v viii 1 83 Rev B 09 22 04 Pages 9 12 1 18 25 26 28 34 37 43 44 58 and 87 90 Rev C 05 05 05 Pages 11 17 27 56 60 61 and 62 1 0 2 0 3 0 4 0 5 0 6 0 Contents 5 0 sklada Tana nn a au eg ee 1 Applicable standards and reference documentation 3 2 1 Svad NE PN TU 3 2 1 1 Electromagnetic compatibility 3 2 1 2 Electromagnetic susceptibility 3 2 2 Electromagnetic
13. Media Pre Scan is an optional feature that allows the drive to handle unrecovered media errors that would oth erwise have been found by the host system during critical data accesses early in the integration process at customer sites This should reduce integration DPPM defective parts per million by identifying and repairing media errors that arose during shipping and handling Media Pre Scan replaces all host initiated Write com mands with Write Verify commands when the drive is accessing areas of the media yet untouched by BGMS initiated scanning activity The drive will attempt to run BGMS on the entire pack of the drive This will result in increasingly large portion so fthe drive having been accesed provided there is adequate idle time to allow BGMS to run During the Pre Scan period all Write commands that are in un BGMS scanned areas are converted to Write Verify com mands To expedite the scan of the full pack and the subsequenty exit from the Pre Scan period BGMS will begin immediately when the drive goes to idle during the Pre Scan period as opposed to waiting 500ms as is done under non Pre Scan conditions 44 Cheetah 10K 7 SCSI Product Manual Rev C 8 0 Installation Note These drives are designed to be used only on single ended SE or low voltage differential LVD busses Do not install these drives on a high voltage differential HVD bus The first thing to do when installing a drive is to set the drive SCSI ID and set
14. Warranty Service Call center USA Canada Mexico and Latin America Brazil Jabil Industrial Do Brasil LTDA Data Recovery Services Call center USA Canada and Mexico Toll free 1 800 468 3472 Toll free 1 800 475 01435 Direct dial 1 405 324 4730 Direct dial 1 405 324 47002 Direct dial 55 11 4191 4761 Direct dial 1 905 474 2162 FAX 1 405 324 4704 FAX 1 405 324 3339 FAX E mail 1 956 664 4725 55 11 4191 5084 SeagateRMA br jabil com FAX 1 800 475 0158 1 905 474 2459 Hours of operation are 8 00 A M to 11 45 A M and 1 00 P M to 6 00 P M Monday through Friday Central time Hours of operation are 8 00 A M to 8 00 P M Monday through Friday Central time SHours of operation are 8 00 A M to 5 00 P M Monday through Friday Central time 4Authorized Service Center 5Hours of operation are 8 00 A M to 8 00 P M Monday through Friday and 9 00 A M to 5 00 P M Saturday Eastern time 88 Cheetah 10K 7 SCSI Product Manual Rev C European support services For presales and technical support in Europe dial the Seagate Service Center toll free number for your spe cific location If your location is not listed here dial our presales and technical support call center at 1 405 324 4714 from 8 00 A M to 11 45 A M and 1 00 P M to 5 00 P M Central Europe time Monday through Friday The presales and technical support call center is located in Oklahoma City USA For
15. z ate SCSIID 6 z z FS SCSIID 7 z SCSIID 8 Eig is SCSIID 9 SCSI ID 10 z scsiip 11 SH IB BB SCSI ID 12 2 z EE E SCSI ID 13 7 z ze SCSI ID 14 2 SCSI ID 15 2 TARE 2 o Reserved 3 5V N C Ground J1 DC Power For ID selection use jumpers as shown or connect a cable for remote switching as shown below Pins 1 3 5 and 7 are 1 Optional connections to Host 4 Alternate Usage Plug equipment to establish drive ID switching circuits in host 1 ki ii Remote Switches normally not grounded They are driven low ground for 250 ms after a Reset or PWR ON to allow drive to 4 6 and 8 are 4 Dashed area is optional host circuitry external tothe Sad SCSI ID selected drive connected to host supplied optional usage plug Figure 19 J5 jumper header on LW models only Cheetah 10K 7 SCSI Product Manual Rev C 47 Additional notes on these functions in section 8 1 2 Term Power to SCSI Bus J2 Iesus JU 5 Jumper SDMW Positions ESEP e Force single ended bus mode Delay Motor Start Enable Remote Motor Start Write Protect Parity Disable Reserved si applies to LW models only reserved on LC models 3
16. 00 00 ff 00 00 00 00 00 00 05 05 ff 00 00 ff 00 00 00 05 05 ff 00 00 00 00 00 00 00 00 00 00 00 00 ti ff ff 00 00 00 00 00 00 00 00 ff HEADER DATA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff ff ff 00 00 00 00 00 00 00 00 ff Cheetah 10K 7 SCSI Product Manual Rev C ff ff 00 00 00 03 03 00 00 00 00 Lf ff ff 00 Oa Oa 00 00 00 00 00 00 ff ff ff ff 00 00 00 29 29 00 00 00 00 ff ff ff ff ff 00 a6 a6 00 04 04 00 ff 00 00 00 00 00 00 00 00 87 00 00 00 02 00 00 01 01 10 02 00 00 01 01 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 18 18 00 00 00 00 40 40 00 27 27 00 00 20 00 00 00 00 00 00 00 20 00 00 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00 00 00 1 00 1 00 00 00 00 00 00 00 00 61 Table 9 ST373207 Mode sense data MODE SENSE 10 BYTE HEADER DATA 00 ae 00 10 00 00 00 08 08 8b b9 98 00 00 02 00 MODE SENSE PAGES DATA SAV 81 Oc ff 00 00 00 05 00 ff ff DEF 81 cO Oc ff 00 00 00 05 00 ff ff CHG 81 Oa ff ff 00 00 00 00 ff OO ff ff SAV 82 80 80 00 00 00 00 00 00 00 00 00 00 00 DEF 82 0e 80 80 00 0a 00 00 00 00 00 00 00 00 00 00 CHG 82 Oe ff ff
17. Rev C 8 1 2 J2 jumper installation SE On Off DS ME Off Off Off On On Off On On WP On Off PD On Off RES Off TP Off Function description Jumper function description Forces drive to use single ended I O drivers receivers only Drive can operate on the interface in low voltage differential mode or single ended depend ing on the voltage state of the I O DIFFSNS line Default is SE jumper not installed Spindle starts immediately after power up Default setting Drive spindle does not start until Start Unit command received from host Spindle Startup is delayed by SCSI ID times 12 seconds after power is applied i e drive 0 spindle starts immediately when DC power connected drive 1 starts after 12 second delay drive 2 starts after 24 second delay etc Drive spindle starts when Start Unit command received from host Delayed start feature is overridden and does not apply when ME jumper is installed Entire drive is write protected Drive is not write protected Default is WP jumper not installed Parity checking and parity error reporting by the drive is disabled Drive checks for parity and reports result of parity checking to host Default is PD jumper not installed Reserved jumper position Default is no RES jumper installed The drive does not supply terminator power to external terminators or to the SCSI bus I O cable Drive supplies power to SCSI bus I O cable When drives have differ
18. Spun up Stop Unit On while processing the command Spun down No command activity Off Spun down Write Read Buffer On while processing the command Spun down SCSI Bus Reset On while processing the reset Spun down Test Unit Ready On while processing the command Spun up No command activity Off Spun up Write Read On while processing the command Spun up SCSI Bus Reset On while processing the reset Spun up Test Unit Ready On while processing the command Spun up Format with Immediate option on On while the command is initially processed Spun up Format without Immediate LED toggles on off on each cylinder boundary 86 Cheetah 10K 7 SCSI Product Manual Rev C 10 0 Seagate Technology support services Online services Internet www seagate com for information about Seagate products and services Worldwide support is available 24 hours daily by e mail for your questions Presales Support www seagate com support email email presales html or Presales Seagate com Technical Support www seagate com support email email disc support html or DiscSupport Seagate com mySeagate my seagate com is the industry s first Web portal designed specifically for OEMs and distributors It provides self service access to critical applications personalized content and the tools that allow our partners to man age their Seagate account functions Submit pricing requests orders and returns through a single password protected Web interface anytime anyw
19. Voltage 5V 12V 5V 12V Regulation 5 15 15 2 15 15 2 Average idle current DC X 1117 0 54 0 34 0 54 0 34 Maximum starting current peak DC DC 30 3 0 76 1 55 0 77 1 56 peak AC AC 30 3 1 08 3 04 1 03 3 36 Delayed motor start max DC 36 1 4 0 54 0 06 0 54 0 06 Peak operating current Er DC X 1 6 0 62 0 73 0 60 0 72 Maximum DC 36 1 0 63 0 76 0 61 0 74 Maximum peak DC 30 1 56 2 46 1 48 2 40 1 2 3 4 5 6 7 26 Measured with average reading DC ammeter or equivalent sampling scope Instantaneous current peaks will exceed these values Power supply at nominal voltage Number of drives tested 6 35 Degrees C ambient For 12 V a 10 tolerance is permissible during initial start of spindle and must return to 5 before 10 000 rpm is reached The 5 must be maintained after the drive signifies that its power up sequence has been completed and that the drive is able to accept selection by the host initiator See 12 V current profile in Figure 2 This condition occurs when the Motor Start Option is enabled and the drive has not yet received a Start Motor command See Section 6 2 1 Conducted Noise Immunity Specified voltage tolerance is inclusive of ripple noise and transient response Operating condition is defined as random 8 block reads at 257 I Os per second 573300007 LVD 257 I Os per second ST3146707 LVD 256 I Os per second ST373207 LVD Current and
20. 02 00 62 Cheetah 10K 7 SCSI Product Manual Rev C 9 4 SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are listed below These conditions cause the SCSI device to perform certain actions and can alter the SCSI bus phase sequence Other miscellaneous operating features supported are also listed here Refer to the SCS Interface Product Manual for details Table 10 SCSI bus conditions and other miscellaneous features Condition feature supported by SCSI 2 SCSI 3 Conditions or feature Adaptive Caching Arbitrating System Asynchronous Data Transfer Asynchronous Event Notification Attention Condition Auto Contingent Allegiance Condition Contingent Allegiance Condition Deferred Error Handling Disconnect Reconnect High voltage differential HVD interface available Low voltage differential LVD interface available Parameter Rounding controlled by the Round bit in Mode Select page 0 Queue tagging up to 64 Queue tags supported Reporting actual retry count in Extended Sense bytes 15 16 and 17 Reset Condition Segmented Caching Synchronous Data Transfer z lt lt x lt lt x lt lt lt 2 lt lt Z lt 2 lt lt Zero Latency Read SCSI 2 SCSI 3 Status supported Good Check Condition Condition Met Good Busy Intermediate
21. 1 L 1 638 010 41 60 25 NJI M 181 020 4 60 50 Y gt H gi P 1 625 t 020 41 28 50 pe R 1 816 010 46 13 25 j S 315 010 8 00 25 j T 015 max 0 38 max 3 U 015 max 0 38 max lo V 265 010 6 73 25 i E gt ke D X Figure 16 LW mounting configuration dimensions Cheetah 10K 7 SCSI Product Manual Rev C 39 K af L 7 7 Il T Z 1 Z 8 kK J gt B Notes 1 Mounting holes are 6 32 UNC 2B three on each side and four on the bottom an Max screw penetration into side of drive al 1 is 0 15 in 3 81 mm Max screw M C tightening torque is 6 0 in Ib 0 678 nm with minimum full thread engagement of 0 12 in 3 05 mm R N 2 Dimension Table 0 Inches Millimeters ry H Li 4 A 1 028 max 26 10 max B 5 787 147 00 max P C 4 000 010 101 60 25 D 3 750 010 95 25 25 E 125 010 3 18 25 i
22. 3 modes of the Cheetah 10K 7 SCSI family drives Table 4 SCSI messages supported by Cheetah 10K 7 SCSI family drives Message name Message code Supported Abort 06h Y Abort tag ODh Y Bus device reset 0Ch Y Clear ACA 16h N Clear gueue 0Eh Y Command complete 00h Y Continue I O process 12h N Disconnect 04h Y Extended messages 01h 1 Y Identify 80h FFh Y Ignore wide residue two bytes 23h Y Initiate recovery OFh N Initiator detected error 05h Y Linked command complete OAh Y Linked command complete with flag OBh Y Message parity error 09h Y Message reject 07h Y Modify data pointer 1 N No operation 08h Y Parallel Protocol Request Y Queue tag messages two bytes ACA 24h N Head of queue tag 21h Y Ordered queue tag 22h Y Simple queue tag 20h Y Cheetah 10K 7 SCSI Product Manual Rev C 53 Table 4 SCSI messages supported by Cheetah 10K 7 SCSI family drives Continued Message name Message code Supported Release recovery 10h N Restore pointers 03h Y Save data pointer 02h Y Synchronous data transfer req 1 Y Target transfer disable 13h N Terminate I O process 11h N Wide data transfer reguest 1 Y Notes 1 Extended messages see the SCSI Interface Product Manual 2 Supports all options except gas reg and iu reg 9 3 SCSI interface commands supported Table 5 following lists the SCSI interface commands
23. 5 meters 4 9 ft 90 6 Ohms 90 10 Ohms A stub length of no more than 0 1 meter 0 33 ft is allowed off the mainline interconnection with any connected equipment The stub length is measured from the transceiver to the connection to the mainline SCSI bus Cheetah 10K 7 SCSI Product Manual Rev C 81 Single ended I O cable pin assignments for LW drives are shown in Table 15 Single ended I O pin assignments for LC models are shown in Table 16 The LC model does not require an I O cable It is designed to connect directly to a back panel connector 9 7 1 3 Cables for low voltage differential drivers receivers The SPI 3 and SPI 4 specification for differential impedance for LVD cables is 122 5 12 5 ohms The maximum SCSI bus length between the terminators for a SCSI LVD point to point system one initiator and one target is 25 meters 82 feet The maximum SCSI bus length between the terminators for a SCSI LVD multidrop system up to 16 total SCSI devices is 12 meters 39 37 feet However implementation of this 12 meter total length is dependent on the configuration of the system and the choice of cable See Tables 19 and 20 for examples of recommended SCSI LVD cable types and lengths It should be noted from the data in Tables 19 and 20 that shielded round twisted pair cables can be used to implement a 12 meter system while Twist n flat cables cannot be used to implement a 12 meter system due to higher levels of attenuation and
24. 8 single ended interface circuit 31 32 33 software interleave 15 spindle 27 spindle startup 49 standard day 34 standards 3 start motor command 26 start unit command 49 start stop time 13 status 43 stop spindle 13 stop time 13 storage capacity 41 straight in connector 70 strict bit in Mode page 00h 14 supply voltage 27 support services 87 synchronous data transfer 64 synchronous data transfer operation 85 synchronous data transfer period 64 synchronous transfer period 85 system chassis 51 T technical support services 87 temperature 13 20 34 50 non operating 34 regulation 3 See also cooling temperature sensor 20 termination 27 terminator enable jumper TE 71 terminator power 83 terminator requirements 45 83 thermal monitor 20 TP1 position 49 tracks inch 11 tracks surface total 11 transfer period 64 transmitter receiver circuits 81 Cheetah 10K 7 SCSI Product Manual Rev C typical access time 13 U Ultra160 59 Ultra160 mode 54 Ultra320 SCSI controller 8 Ultra320 SCSI interface 7 unformatted 9 Unrecoverable Errors 17 V vibration 35 37 vital product data 58 volatile memory 59 voltage 13 25 26 W warranty 9 23 wet bulb temperature 34 wide Ultra320 SCSI interface 7 WP jumper 49 wrap around 14 write caching 14 write operation 14 write protect 49 write retry count 41 Z zoned bit recording ZBR 8 97 98 Cheetah 10K 7 SCSI Product Manual Rev C Seagate Seagate Techn
25. European warranty service dial the toll free number for your specific location If your location is not listed here dial our European CSO warranty center at 31 20 316 7222 from 8 30 A M to 5 00 P M Central Europe time Monday through Friday The CSO warranty center is located in Amsterdam The Netherlands Seagate Service Centers Toll free support numbers Call center Presales and Technical Support Warranty Service Austria 00 800 47324289 Belgium 00 800 47324283 00 800 4SEAGATE 00 800 47324289 Denmark 00 800 47324283 00 800 47324289 France 00 800 47324283 00 800 47324289 Germany 00 800 47324283 00 800 47324289 Ireland 00 800 47324283 00 800 47324289 Italy 00 800 47324283 00 800 47324289 Netherlands 00 800 47324283 00 800 47324289 Norway 00 800 47324283 00 800 47324289 Poland 00 800 311 12 38 00 800 311 12 38 Spain 00 800 47324283 00 800 47324289 Sweden 00 800 47324283 00 800 47324289 Switzerland 00 800 47324283 00 800 47324289 Turkey 00 800 31 92 91 40 00 800 31 92 91 40 United Kingdom 00 800 47324283 00 800 47324289 FAX services AIl Europe toll call Technical Support 1 405 324 3339 Warranty Service 31 20 653 3513 Africa Middle East support services For presales and technical support in Africa and the Middle East dial our presales and technical support call center at 1 405 324 4714 from 8 00 A M to 11 45 A M and 1 00 P M to 5 00 P M Central Europe time Mon day through Friday The presales and technical support c
26. Good Intermediate Condition Met Good Reservation Conflict Queue Full ACA Active lt lt lt lt lt lt lt lt Cheetah 10K 7 SCSI Product Manual Rev 63 9 5 Synchronous data transfer The data transfer period to be used by the drive and the initiator is established by an exchange of messages during the Message Phase of operation See the section on message protocol in the SCS Interface Product Manual part number 75789509 9 5 1 Synchronous data transfer periods supported In the following tables M is the synchronous period value in the transfer rate negotiation message that repre sents the associated transfer period and transfer rate values Table 11 lists the synchronous data transfer periods supported by the drive in DT DATA phase DT DATA phase is only allowed when using the LVD interface Table 11 Synchronous DT DATA transfer periods Transfer period Transfer rate Transfer rate M decimal nanoseconds megatransfers second Mbytes second on wide bus 8 6 25 160 0 320 0 9 12 5 80 0 160 0 10 25 40 0 80 0 12 50 20 0 40 0 25 100 10 0 20 0 Table 12 lists the synchronous data transfer periods supported by the drive in ST DATA phase ST DATA phase is allowed with either LVD or SE interface except as noted Table 12 Synchronous ST DATA transfer periods Transfer period Transfer rate M decimal nanoseconds megatransfers seco
27. If necessary see Section 10 for Seagate support services telephone numbers Do not remove the manufacturer s installed labels from the drive and do not cover with additional labels as the manufacturer labels contain information required when servicing the product Formatting Drives are shipped from the factory low level formatted with 512 byte sectors 8 1 Drive ID option select header Figures 18 and 19 show views of the drive ID select jumper connectors Figure 20 shows the option select jumper connector for all models Figure 18 shows the drive s J5 auxiliary jumper connector Both J5 auxiliary and J6 have pins for selecting drive ID and for connecting the remote LED cable Only one or the other should be used although using both at the same time would not damage the drive The notes following the figures describe the functions of the various jumper positions on the connectors J2 J5 Auxiliary and J6 Suggested part number for the jumpers used on J2 is Molex 52747 0211 Seagate part number 77679052 A bag with the two jumper plug types is shipped with the standard OEM drives Cheetah 10K 7 SCSI Product Manual Rev C 45 J6 1 555 B gm gm EE D 57372 210 SCSI
28. If this model has the CE Marking it complies with the European Union requirements of the Electromagnetic Compatibility Directive 89 336 EEC of 03 May 1989 as amended by Directive 92 31 EEC of 28 April 1992 and Directive 93 68 EEC of 22 July 1993 Australian C Tick If this model has the C Tick Marking it complies with the Australia New Zealand Standard AS NZS3548 1995 and meets the Electromagnetic Compatibility EMC Framework requirements of Australia s Spectrum Man agement Agency SMA Korean MIC If this model has the Korean Ministry of Information and Communication MIC logo it complies with paragraph 1 of Article 11 of the Electromagnetic Compatibility EMC Control Regulation and meets the Electromagnetic Compatibility Framework requirements of the Radio Research Laboratory RRL Ministry of Information and Communication Republic of Korea Taiwanese BSMI If this model has the Chinese National Standard CNS 13438 marking it complies with Chinese National Stan dard CNS 13438 and meets the Electromagnetic Compatibility EMC Framework requirements of the Tai wanese Bureau of Standards Metrology and Inspection BSMI 4 Cheetah 10K 7 SCSI Product Manual Rev C 2 3 Reference documents Cheetah 10K 7 SCSI Installation Guide Safety and Regulatory Agency Specifications SCSI Interface Product Manual Seagate P N 100260917 Seagate P N 75789512 Seagate P N 75789509 Applicable ANSI small computer system interface SCSI document
29. Typical ST3300007 drive 12 V current profile Amps 3 0 2 5 2 0 1 5 OB 12 16 20 24 28 32 Seconds Figure 3 Typical ST3300007 drive 5 V current profile 28 Cheetah 10K 7 SCSI Product Manual Rev C Amps 0 2 4 6 8 10 12 14 16 18 20 Seconds Figure 4 Typical ST3146707 drive 12 V current profile 3 0 2 5 2 0 Amps 1 5 1 0 0 5 0 0 0 4 8 12 16 20 24 28 32 Seconds Figure 5 Typical ST3146707 drive 5 V current profile Cheetah 10K 7 SCSI Product Manual Rev C 29 Amps 2 4 6 8 10 12 14 16 18 20 Seconds Figure 6 Typical ST373207 drive 12 V current profile 3 0 2 5 20 Amps 1 5 1 0 0 5 0 4 8 12 16 20 24 28 32 Seconds Figure 7 Typical ST373207 drive 5 V current profile 30 Cheetah 10K 7 SCSI Product Manual Rev C 6 3 Power dissipation T3300007 For drives using single ended interface circuits typical power dissipation under idle conditions is 10 14 watts 34 60 BTUs per hour For drives using low voltage differential interface circuits typical power dissipation under idle conditions is 10 14 watts 34 60 BTUs per hour To obtain operating power for typical random read operations refer to the following two I O rate curves see Figures 8 and 9 Locate the typical I O rate for a drive in your system on the horizontal axis and read the cor responding 5 volt current 12 volt current and total watts on the vertic
30. adjacent contacts 0 050 inch 1 27 mm apart Recommended mating flat cable connector part numbers are Amp Model 786096 7 Female 68 pin panel mount Amp Model 786090 7 Female 68 pin cable mount Amp Model 749925 5 50 mil conductor centers 28 or 30 AWG wire Use two 34 conductor 50 mil center flat cable with this connector This type connector can only be used on cable ends 1 Amp Model 88 5870 294 5 W O Strain Relief 25 mil conductor centers 30 AWG wire Use either on cable ends or in cable middle section for daisy chain installations 1 Amp Model 1 480420 0 Power connector 4 circuit housing Berg 69307 012 12 position 2 x 6 2 mm receptacle housing 1 See Figure 24 The drive device connector is a nonshielded 68 conductor connector consisting of two rows of 34 female pins with adjacent pins 50 mils apart The connector is keyed by means of its shape see Figure 25 9 6 4 2 Mating connectors for LC model drives The nonshielded connector shall be an 80 conductor connector consisting of two rows of 40 contacts with adja cent contacts 50 1 27 mm mils apart see Figure 26 O connection using a cable is not recommended The length and size of the host equipment DC power carrying conductors from the DC power source to the host equipment 80 pin disc drive interface connector s should be strictly designed according to proper power trans mission design concepts No possibility for the equipment user to attach an 80 pin cabl
31. at the backplane is either open or grounded open for the 1 setting grounded for the 0 setting Alternatively these pins may be driven by a 3 3V logic device pulled up to 3 3V through a pull up resistor recommended size of 10K ohm or grounded through some other means 9 7 Electrical description Cheetah 10K 7 SCSI drives are multimode devices That is their I O circuits can operate as either single ended or low voltage differential drivers receivers selectable using the I O DIFFSENS line See ANSI Standard T10 1302D for detailed electrical specifications 9 7 1 Multimode SE and LVD alternatives When the interface DIFFSNS line is between 0 35 V and 0 5 V the drive interface circuits operate single ended and up to and including 20 M transfers s Fast 20 or Ultra SCSI When DIFFSNS is between 0 7 V and 1 9 V the drive interface circuits operate low voltage differential and up to and including 160 transfers s Fast 160 or U320 SCSI This multimode design does not allow dynamically changing transmission modes Drives must operate only in the mode for which the installation and interface cabling is designed Multimode I O circuits used by these drives do not operate at high voltage differential levels and should never be exposed to high voltage differential environments unless the common mode voltages in the environment are controlled to safe levels for single ended and low voltage differential devices se
32. between 10K and 15K families and from generation to gener ation depending on how each sector size actually formats out for zone frequencies and splits over servo bursts This added capacity potential may range from 0 1 to 1 3 percent above the guaranteed capacities listed above Using the drives in this manner gives the absolute maximum capacity potential but the user must determine if the extra capacity potential is useful or whether their assurance of backward and for ward compatibility takes precedence Cheetah 10K 7 SCSI Product Manual Rev C 9 3 5 1 Programmable drive capacity Using the Mode Select command the drive can change its capacity to something less than maximum See the Mode Select Parameter List table in the SCSI Interface Product Manual Refer to the Parameter list block descriptor number of blocks field A value of zero in the number of blocks field indicates that the drive shall not change the capacity it is currently formatted to have A number in the number of blocks field that is less than the maximum number of LBAs changes the total drive capacity to the value in the block descriptor number of blocks field A value greater than the maximum number of LBAs is rounded down to the maximum capacity 3 6 Factory installed accessories OEM Standard drives are shipped with the Cheetah 10K 7 SCSI Installation Guide part number 100260917 and the Safety and Regulatory Agency Specifications part number 75789512 unless otherwise s
33. crosstalk In addition twist n flat cables with shorter sections of twist allow greater crosstalk and their lengths must be reduced as shown in Table 20 Table 19 Example shielded round twisted pair cables into a multi drive backplane Single Single Conductor Differential ended ended Time DC Maximum shielded round Cable impedance impedance capacitance delay resistance twisted pair cable length description nominal nominal maximum nominal nominal for U160 U320 30 AWG 130 ohms 90 ohms 17 pF ft 1 36 ns ft 0 113 ohms ft 12 meters minus the SCSI solid trace length of the backplane 28 AWG 123 ohms 80 ohms 19 pF ft 1 54 ns ft 0 067 ohms ft 12 meters minus the SCSI stranded trace length of the backplane 28 AWG 132 ohms 85 ohms 20 pF ft 1 50 ns ft 0 065 ohms ft 12 meters minus the SCSI stranded trace length of the backplane 82 Cheetah 10K 7 SCSI Product Manual Rev C Table 20 Example Twist n flat cables into a multi drive backplane Maximum twist n flat Single Single Conductor cable length Differential ended ended Time DC Cable impedance impedance capacitance delay resistance U320 U160 description nominal nominal maximum nominal nominal transfer rate transfer rate TPE 22 25 twist 131 ohms 93 ohms 15 3 pF ft 1 45 ns ft 0 105 3 05 meters 6 1 meters 1 75 flat 24 flat ohms ft 10 0 ft 20 0 ft to flat 30 AWG solid tinned coppe
34. modifing the 9 data correction 17 data transfer period 64 data transfer protocol 8 93 data transfer rate 12 DC cable and connector 65 DC current 67 DC power 13 17 49 65 DC power carrying conductor 69 DC power connector 64 DC power reguirements 25 DC power source 69 dedicated landing zone 8 default 48 49 default mode parameter 45 default value 59 defect error management 41 delayed motor start option 25 26 80 delayed start 49 diagnostics 27 differential I O circuit 49 differentiating features 7 dimensions 38 disable read ahead 15 disc access 13 disc media 12 disc rotational speed 11 disconnect reconnect 14 control 14 specification 14 discontinuity DISC bit 15 DRA bit 15 drive 37 drive activity 80 drive activity LED 86 drive capacity 11 programmable 10 drive default mode parameter 45 drive failure 18 drive firmware 59 drive ID 45 drive ID select jumper connector 45 drive ID option select header 45 drive interface connector 69 drive internal 27 drive internal defects anderrors 41 drive malfunction 18 drive mounting 38 51 constraints 17 drive orientation 50 drive power 45 drive primary defects list 41 drive SCSI timing 84 drive select header 64 drive spindle 49 drive transfer 14 dynamic spindle brake 8 94 E ECC 17 ECC correction capability 8 electrical characteristics 64 80 electromagnetic compatibility 3 electromagnetic susceptibility 38 embedded
35. numbers T10 1143D T10 1416D T10 1417D T10 1157D T10 1302D T10 1365D SFF 8451 Package Test Specification Package Test Specification Enhanced SCSI Parallel Interface EPI Primary Commands 2 SPC 3 SCSI Block Commands SBC 2 SCSI Architectural Model 2 SAM 2 SPI 3 SCSI Parallel Interface version 3 SPI 4 SCSI Parallel Interface version 4 Specification for SCA 2 Unshielded Connections Seagate P N 30190 001 under 100 Ib Seagate P N 30191 001 over 100 Ib Specification Acoustic Test Requirements and Procedures Seagate P N 30553 001 In case of conflict between this document and any referenced document this document takes precedence Cheetah 10K 7 SCSI Product Manual Rev C Cheetah 10K 7 SCSI Product Manual Rev C 3 0 General description Cheetah 10K 7 SCSI drives combine giant magnetoresistive GMR heads partial response maximum likeli hood PRML read channel electronics embedded servo technology and a wide Ultra320 SCSI interface to provide high performance high data storage for a variety of systems including engineering workstations net work servers mainframes and supercomputers Ultra320 SCSI uses negotiated transfer rates These transfer rates will occur only if your host adapter supports these data transfer rates and is compatible with the required hardware requirements of the I O circuit type This drive also operates at SCSI 1 and SCSI 2 data transfer rates for backward compatibility with n
36. operation 14 read retry count 41 read write head 11 ready 59 receive diagnostic results 43 receiver circuits 81 recommended mounting 36 Recoverable Errors 17 reference documents 5 regulation 25 26 relative humidity 34 reliability 9 reliability and service 18 reliability specifications 17 remote switch 45 repair information 24 REG ACK offset 64 reguest sense command 43 resonance 35 retrieved data 14 S S M A R T 9 19 safe power transmission 69 safety 3 saved value 59 SCSI commands 54 interface data transfer rate 12 messages 53 SCSI bus cable 45 SCSI bus condition 63 SCSI bus ID 80 SCSI bus phase sequence 63 SCSI command 41 SCSI I O connector 66 SCSIID 45 49 SCSI interface 13 67 SCSI interface cable 68 SCSI interface commands supported 54 SCSI interface connector 64 SCSI interface data 12 SCSI Interface Product Manual 3 5 7 SCSI systems error 43 SCSI systems error consideration 41 SCSI systems error management 43 Seagate support service 45 sector 14 sector interleave 12 sector sizes 12 seek error 17 defined 18 segment 13 14 self contained 14 Cheetah 10K 7 SCSI Product Manual Rev C Self Monitoring Analysis and Reporting Technology See S M A R T SE LVD alternative 81 sequential read operations 15 service life 17 shielding 3 shipping 24 shipping container 34 shock 35 and vibration 35 shock mount 51 signal ground 51 single unit shipping pack 10 single ended SE drivers and receivers
37. panel accessory However dimensions of the front panel are shown in figure below Refer to Figures 16 and 17 for detailed mounting configuration dimensions See Section 8 4 Drive mounting Height 1 000 in 25 4 mm Width 4 000 in 101 6 mm Depth 5 75 in 146 05 mm Weight 1 6 pounds 0 726 kilograms 38 Cheetah 10K 7 SCSI Product Manual Rev C Y sk mn Ag S na Hi le FA H J gt B gt Notes X R 1 Mounting holes are 6 32 UNC 2B three on each side and four on the bottom screw penetration into side of drive A is 0 15 in 3 81 mm Max screw CO HEH 8 SA tightening torque is 6 0 in Ib 0 678 nm Ex with minimum full thread engagement of A Ve 0 12 in 3 05 mm M C 3 Dimension Table i U X E Inches Millimeters A 1 028 max 26 10 max 5787 147 00 max C 4 000 010 101 60 25 D 3 750 010 95 25 25 E 125 010 3 18 25 i J EH F 1 750 010 44 45 25 1 122 020 28 50 50 J 4 000 010 101 60 25 F K 250 010 6 35 25
38. use with drive HDA Temp Check Point Figure 14 Location of the HDA temperature check point 6 4 2 Relative humidity The values below assume that no condensation on the drive occurs a Operating 5 to 95 non condensing relative humidity with a maximum gradient of 20 per hour Non operating 5 to 95 non condensing relative humidity 6 4 3 Effective altitude sea level a 34 Operating 1 000 to 10 000 feet 305 to 3 048 meters Non operating 1 000 to 40 000 feet 305 to 12 210 meters Cheetah 10K 7 SCSI Product Manual Rev C 6 4 4 Shock and vibration Shock and vibration limits specified in this document are measured directly on the drive chassis If the drive is installed in an enclosure to which the stated shock and or vibration criteria is applied resonances may occur internally to the enclosure resulting in drive movement in excess of the stated limits If this situation is apparent it may be necessary to modify the enclosure to minimize drive movement The limits of shock and vibration defined within this document are specified with the drive mounted by any of the four methods shown in Figure 15 and in accordance with the restrictions of Section 8 4 Orientation of the side nearest the LED may be up or down 6 4 4 1 Shock a Operating normal The drive as installed for normal operation shall operate error free while subjected to intermittent shock not exceeding
39. written to the medium is retained in the cache to be made avail able for future read cache hits The same buffer space and segmentation is used as set up for read functions The buffer segmentation scheme is set up or changed independently having nothing to do with the state of RCD When a write command is issued if RCD 0 the cache is first checked to see if any logical blocks that are to be written are already stored in the cache from a previous read or write command If there are the respective cache segments are cleared The new data is cached for subsequent Read commands If the number of write data logical blocks exceeds the size of the segment being written into when the end of the segment is reached the data is written into the beginning of the same cache segment overwriting the data that was written there at the beginning of the operation However the drive does not overwrite data that has not yet been written to the medium 14 Cheetah 10K 7 SCSI Product Manual Rev C If write caching is enabled WCE 1 then the drive may return GOOD status on a write command after the data has been transferred into the cache but before the data has been written to the medium If an error occurs while writing the data to the medium and GOOD status has already been returned a deferred error will be generated The Synchronize Cache command may be used to force the drive to write all cached write data to the medium Upon completion of a Synchronize
40. 00 DEF 83 16 3b 18 00 00 00 28 00 00 03 29 02 00 00 01 01 10 00 78 40 00 00 00 CHG 83 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 SAV 84 16 01 62 96 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 31 00 00 DEF 84 16 01 62 96 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 31 00 00 CHG 84 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 SAV 87 00 Oc ff 00 00 00 00 00 ff ff DEF 87 0a 00 Oc ff 00 00 00 00 00 ff ff CHG 87 Oa Of ff 00 00 00 00 00 00 ff ff SAV 88 12 14 00 ff ff 00 00 ff ff ff ff 00 20 00 00 00 00 00 00 DEF 88 12 14 00 ff ff 00 00 ff ff ff ff 00 20 00 00 00 00 00 00 CHG 88 12 b5 00 00 00 ff ff ff ff 00 00 ff 00 00 00 00 00 00 SAV 8a 0a 02 00 00 00 00 00 00 00 15 6 DEF 8a 0a 02 00 00 00 00 00 00 00 15 f6 CHG 8a 03 1 00 00 00 00 00 00 00 00 SAV 19 06 01 00 ff ff 00 00 DEF 19 06 01 00 ff ff 00 00 CHG 19 06 00 00 ff ff 00 00 SAV 9a 0a 00 02 00 00 00 05 00 00 00 04 DEF 9a 0a 00 02 00 00 00 05 00 00 00 04 CHG 9a Oa 00 03 ff ff ff ff 00 00 00 00 SAV 9c 0a 10 00 00 00 00 00 00 00 00 01 DEF 9c 0a 10 00 00 00 00 00 00 00 00 O1 CHG 9c Oa 9d Of ff ff ff ff ff ff ff ff SAV 80 06 00 00 Of 00 00 00 DEF 80 06 00 00 01 00 00 00 CHG 80 06 7 40 Of 00 00 00 READ CAPACITY DATA 22 ec b2 5b 00 00 02 00 60 Cheetah 10K 7 SCSI Product Manual Rev C Table 8 ST3146707 Mode sense data MODE SENSE 10 BYTE 00 SAV DEF CHG S
41. 00 00 00 00 00 00 00 00 87 00 00 00 SAV 83 16 c6 00 00 00 00 00 03 29 02 00 00 01 01 74 00 78 40 00 00 00 DEF 83 16 00 00 00 00 00 03 29 02 00 00 01 01 74 00 78 40 00 00 00 CHG 83 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 SAV 84 16 01 62 96 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 31 00 00 DEF 84 16 01 62 96 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 31 00 00 CHG 84 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 SAV 87 00 Oc ff 00 00 00 00 00 ff ff DEF 87 0a 00 Oc ff 00 00 00 00 00 ff ff CHG 87 Oa Of ff 00 00 00 00 00 00 ff ff SAV 88 12 14 00 ff ff 00 00 ff ff ff ff 00 20 00 00 00 00 00 00 DEF 88 12 14 00 ff ff 00 00 ff ff ff ff 00 20 00 00 00 00 00 00 CHG 88 12 b5 00 00 00 ff ff ff ff 00 00 ff 00 00 00 00 00 00 SAV 8a 0a 02 00 00 00 00 00 00 00 05 7d DEF 8a 0a 02 00 00 00 00 00 00 00 05 7d CHG 8a 0a 03 1 00 00 00 00 00 00 00 00 SAV 19 06 01 00 ff ff 00 00 DEF 19 06 01 00 ff ff 00 00 CHG 19 06 00 00 ff ff 00 00 SAV 9a 0a 00 02 00 00 00 05 00 00 00 04 DEF 9a 0a 00 02 00 00 00 05 00 00 00 04 CHG 9a Oa 00 03 ff ff ff ff 00 00 00 00 SAV 9c 0a 10 00 00 00 00 00 00 00 00 01 DEF 9c 0a 10 00 00 00 00 00 00 00 00 O1 CHG 9c Oa 9d Of ff ff ff ff ff ff ff ff SAV 80 06 00 00 Of 00 00 00 DEF 80 06 00 00 01 00 00 00 CHG 80 06 7 40 Of 00 00 00 READ CAPACITY DATA 08 8b b9 97 00 00
42. 15 Gs at a maximum duration of 11 msec half sinewave The drive as installed for normal operation shall operate error free while subjected to intermittent shock not exceeding 60 Gs at a maximum duration of 2 msec half sinewave Shock may be applied in the X Y or Z axis b Operating abnormal Equipment as installed for normal operation does not incur physical damage while subjected to intermit tent shock not exceeding 40 Gs at a maximum duration of 11 msec half sinewave Shock occurring at abnormal levels may promote degraded operational performance during the abnormal shock period Speci fied operational performance will continue when normal operating shock levels resume Shock may be applied in the X Y or Z axis Shock is not to be repeated more than two times per second c Non operating The limits of non operating shock shall apply to all conditions of handling and transportation This includes both isolated drives and integrated drives The drive subjected to nonrepetitive shock not exceeding 75 Gs at a maximum duration of 11 msec half sinewave shall not exhibit device damage or performance degradation Shock may be applied in the X Y or Z axis The drive subjected to nonrepetitive shock not exceeding 225 Gs at a maximum duration of 2 msec half sinewave does not exhibit device damage or performance degradation Shock may be applied in the X Y or Z axis The drive subjected to nonrepetitive shock not exceeding 120 G
43. 39 39 Maximum 80 80 Note 1 Megabyte MB 1 000 000 bytes SCSI interface data transfer rate asynchronous Maximum instantaneous one byte wide Maximum instantaneous two bytes wide Synchronous transfer rate In low voltage differential LVD interface mode Sector Sizes Default 512 byte user data blocks ST373207 59 MBytes sec 118 MBytes sec ST373207 39 MBytes sec 80 MBytes sec 5 0 Mbytes sec 3 10 0 Mbytes sec 3 Ultra320 SCSI 5 0 to 320 Mbytes sec Cheetah 10K 7 SCSI Product Manual Rev C Variable 512 to 528 bytes per sector in even number of bytes per sector If n number of bytes per sector is odd then n 1 will be used Read write consecutive sectors on a track Yes Flaw reallocation performance impact for flaws reallocated at format time using Negligible the spare sectors per sparing zone reallocation scheme Average rotational latency 3 0 msec Notes for Section 4 2 1 Execution time measured from receipt of the last byte of the Command Descriptor Block CDB to the request for a Status Byte Transfer to the Initiator excluding connect disconnect 2 Typical access times are measured under nominal conditions of temperature voltage and horizontal ori entation as measured on a representative sample of drives 3 Assumes system ability to support the rates listed and no cable loss 4 Access to data access time latency time 4 3 Start stop time After DC power at nominal voltage has be
44. 4 0 79 us Command Byte Transfer T22 4 5 4 0 04 us Next Command Byte Access 4 5 4 Next CDB Byte Access Byte 2 of 6 T23 6 2 4 5 4 0 58 us Next CDB Byte Access Byte 3 of 6 T23 6 3 4 5 4 0 12 us Next CDB Byte Access Byte 4 of 6 T23 6 4 4 5 4 0 12 us Next CDB Byte Access Byte 5 of 6 T23 6 5 4 5 4 0 12 us Next CDB Byte Access Byte 6 of 6 T23 6 6 4 5 4 0 12 us Next CDB Byte Access Byte 2 of 10 T23 10 2 4 5 4 0 59 us Next CDB Byte Access Byte 3 of 10 T23 10 3 4 5 4 0 11 us 1 us Next CDB Byte Access Byte 4 of 10 T23 10 4 4 5 4 0 12 us 1 us Next CDB Byte Access Byte 5 of 10 T23 10 5 4 5 4 0 11 us 1 us Next CDB Byte Access Byte 6 of 10 T23 10 6 4 5 4 0 11 us 1 us Next CDB Byte Access Byte 7 of 10 T23 10 7 4 5 4 0 13 us 1 us 84 Cheetah 10K 7 SCSI Product Manual Rev C Table 21 Disc drive SCSI timing Continued These values are not current Cheetah 10K 7 SCSI values but are listed for information only Waveform Waveform Description symbol 1 table 1 Typical timing Next CDB Byte Access Byte 8 of 10 T23 10 8 4 5 4 0 12 us 1 us Next CDB Byte Access Byte 9 of 10 T23 10 9 4 5 4 0 12 us 1 us Next CDB Byte Access Byte 10 of 10 T23 10 10 4 5 4 0 12 us 1 us Data In Byte Transfer parameter T24 4 5 12 0 04 us Data Out Byte Transfer parameter T25 4 5 13 0 04 us Next Data In Byte Access parameter T26 4 5 12 0 12 us Next Data Out Byte Access parameter T2
45. 5 Formatted capacities Standard OEM models are formatted to 512 bytes per block The sector size is selectable at format time Users having the necessary equipment may modify the data block size before issuing a format command and obtain different formatted capacities than those listed To provide a stable target capacity environment and at the same time provide users with flexibility if they choose Seagate recommends product planning in one of two modes 1 Seagate designs specify capacity points at certain sector sizes that Seagate guarantees current and future products will meet We recommend customers use this capacity in their project planning as it ensures a stable operating point with backward and forward compatibility from generation to generation The current guaranteed operating points for this product are ST373207 ST3146707 ST3300007 Sector Size Decimal Hex Decimal Hex Decimal Hex 512 143 374 744 88BB998 286 749 488 11177330 585 937 500 22ECB25C 514 141 025 384 867E068 282 050 768 10CFCODO 574 712 644 22416B44 520 140 395 092 85E4254 280 790 184 10BC84A8 573 653 847 22314357 522 139 463 602 8500BB2 279 041 740 10A1D6CC 570 053 000 21FA5188 524 137 577 184 83342E0 275 154 368 106685C0 566 007 800 21BC97F8 528 557 874 778 21407E5A 2 Seagate drives also may be used at the maximum available capacity at a given sector size but the excess capacity above the guaranteed level will vary
46. 59 option jumper 45 option jumper location 45 option select header 64 option select jumper 45 options 10 orientation 13 35 50 out of plane deflection 51 out of plane distortion 51 Output characteristics 80 95 P package size 35 package test specification 5 packaged 35 parity 49 parity checking 49 parity error 49 PCB 48 PCBA 45 51 59 65 67 70 PCBA circuit run 67 PD jumper 49 peak bits inch 11 peak starting current 27 performance characteristics 11 performance degradation 35 peripheral I O cable 27 physical buffer space 13 physical characteristics 64 physical damage 37 physical interface 64 66 physically contiguous blocks of data 15 power 27 49 power connector 25 27 power control switch 13 power dissipation 31 32 33 power distribution 3 power sequencing 27 power supply voltage 17 power carrying conductor 69 power on 45 80 power on operating hours 18 power on reset 59 power up 27 49 power up hours 18 prefetch 13 14 15 prefetch read look ahead 13 15 prefetch ceiling field 15 prefetch data 15 prefetch field 15 prefetch hit 15 prefetch mode 13 prefetch of contiguous blocks 15 prefetch operation 13 15 prefetch segmented cache control 13 preventive maintenance 17 18 PRML read channel electronics 7 product data page 58 programmable drive capacity 10 R radio interference regulations 3 read 13 read command 13 14 15 read data 14 96 read error rate 17 41 read
47. 7 4 5 13 0 12 us Data In Byte Transfer media 2 T28 4 5 12 0 04 us Data Out Byte Transfer media 2 T29 4 5 13 0 04 us Next Data In Byte access media 2 T30 4 5 12 0 12 us Next Data Out Byte access media 2 T31 4 5 13 0 12 us MSG IN Byte Transfer T32 4 5 5 7 8 14 15 0 04 us MSG OUT Byte Transfer T33 4 5 2 0 04 us STATUS Byte Transfer T34 4 5 5 8 15 0 04 us Synchronous Data Transfer Characteristics Reguest Signal Transfer Period 3 various 800 ns max Notes 1 See the Timing examples section of the SCSI Interface Product Manual 2 Maximum SCSI asynchronous interface transfer rate is given in Section 4 2 3 of this manual 3 Synchronous Transfer Period is determined by negotiations between an Initiator and a drive The drive is capable of setting periods as given in Section 9 5 See also the Synchronous data transfer section and the Extended messages section of the SCSI Interface Product Manual for a description of synchronous data transfer operation Cheetah 10K 7 SCSI Product Manual Rev C 85 9 11 Drive activity LED The following table provides drive activity LED status Table 22 Drive activity LED status Spindle status Command status LED status Spinning up with DC power applied N A On until spinup is complete Spun down Start Unit On while processing the command Powered down by removal of DC N A Off due to absence of power power
48. 76 65 64 20 03 means SCSI 3 Ultra160 implemented Note Seagate has chosen to set this bit to 03 SCSI 3 Ultra160 implemented rather than 04 SCSI 4 Ultra320 implemented due to compatibility issues with some host bus adapters This setting will not affect the Ultra320 functionality of the drive P The drive can be changed between these two configurations 02 means response data in SCSI 2 SCSI 3 format 12 means the drive uses the hierarchical addressing mode to assign LUNS to logical units default is 12 R4 Four ASCII digits representing the last four digits of the product Firmware Release number This informa tion is also given in the Vital Product Data page COh together with servo RAM and ROM release num bers S Eight ASCII digits representing the eight digits of the product serial number IP Bytes 18 through 26 reflect model of drive The table above shows the hex values for Model ST3300007LW Refer to the values below for the values of bytes 18 through 26 of you particular model ST3300007LW 33 33 30 30 30 30 37 4C 57 ST3300007LC 33 33 30 30 30 30 37 4C 43 ST3146707LW 33 31 34 36 37 30 37 4C 57 ST3146707LC 33 31 34 36 37 30 37 4C 43 ST373207LW 33 37 33 32 30 37 4C 57 20 ST373207LC 33 37 33 32 30 37 4C 43 20 Copyright Year the year the drive s firmware code was built 9 3 1 Inquiry Vital Product data Instead of the standard Inquiry data shown in Table 6 the initiator can request several Vital Product
49. 7h Y Read Defect Data 12 B7h Y Read Extended 28h Y DPO bit supported Y FUA bit supported Y Read Long 3Eh Y Reassign Blocks 07h Y Receive Diagnostic Results 1Ch Y Supported Diagnostics pages 00h Y Translate page 40h Y Release 17h Y Release 10 57h Y Report LUNS Request Sense 03h Y Actual Retry Count bytes Y Extended Sense Y Field Pointer bytes Y Reserve 16h Y 3rd Party Reserve Y Extent Reservation N Reserve 10 56h Y 3rd Party Reserve Y Extent Reservation N Rezero Unit 01h Y Search Data Equal 31h N Search Data High 30h N Search Data Low 32h N Seek OBh Y Seek Extended 2Bh Y Send Diagnostics 1Dh Y Supported Diagnostics pages 00h Y Translate page 40h Y Set Limits 33h N Start Unit Stop Unit spindle ceases rotating 1Bh Y Synchronize Cache 35h Y Test Unit Ready 00h Y 56 Cheetah 10K 7 SCSI Product Manual Rev C Table 5 Commands supported by Cheetah 10K 7 SCSI family drive Continued Command name Command code Supported Verify 2Fh Y BYTCHK bit Y Write OAh Y Write and Verify 2Eh Y DPO bit Y Write Buffer modes 0 2 supported 3Bh Y Firmware Download option Y modes 5 7 Ah and Bh supported 3 Write Extended 2Ah Y DPO bit Y FUA bit Y Write Long 3Fh Y Write Same 4th Y PBdata N LBdata N XDRead 52h N XDWrite 50h N XPWrite 51h N 1 The drive can format to any even number of bytes per sector from 512 to 528 2
50. AV DEF CHG SAV DEF ae 00 10 00 00 00 08 11 17 73 30 00 00 02 00 81 81 81 82 82 82 83 83 Oa Oa Oa 0e 0e 0e cO cO ff 80 80 ff 1d 1d CHG SAV DEF 83 1 84 1 84 1 00 01 Oc Oc f 80 80 ff 8c 8c 00 62 01 62 CHG SAV DEF CHG SAV DEF 84 1 87 87 87 88 88 O OY OV O OY OV 00 00 00 Of 14 14 CHG SAV DEF CHG SAV DEF CHG SAV DEF CHG SAV DEF CHG SAV DEF CHG 88 8a 8a 8a 19 19 19 9a 9a 9a 9c 9c 9c 80 80 80 Oa Oa Oa 06 06 06 Oa Oa Oa Oa Oa Oa 06 06 06 b5 02 02 03 01 01 00 00 00 00 10 10 9d 00 00 f7 00 Oc Oc ff 00 00 00 00 00 fl 00 00 00 02 02 03 00 00 Of 00 00 40 ff ff 00 00 00 00 00 00 00 96 96 00 Ef ff 00 ff ff 00 00 00 00 ff ff ff 00 00 ff 00 00 ff Of Of Of READ CAPACITY DATA 11 17 73 2f 00 00 02 00 MODE SENSE PAGES DATA 00 00 00 Oa Oa 00 00 00 00 04 04 00 00 00 00 ff ff 00 00 00 00 ff ff ff 00 00 ff 00 00 ff 00 00 00 00 00 00 00 00 00 00 1 00 1 00 00 00 00 00 00 00 00 00 ff 00 00 00 00 00 00 00 00 ff 00 00 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
51. B9 DB8 10 50 DB8 11 51 4l O REQ 12 52 REQ C D 13 53 C D SEL 14 54 SEL MSG 15 55 MSG RST 16 56 RST ACK 17 57 ACK BSY 18 58 BSY ATN 19 59 ATN DBP 20 60 DBPO DB7 21 61 DB7 DB6 22 62 DB6 DB5 23 63 DB5 DB4 24 64 DB4 DB3 25 65 DB3 DB2 26 66 DB2 DB1 27 67 DB1 DBO 28 68 DBO DBP1 29 69 DP1 DB15 30 70 DB15 DB14 31 71 DB14 DB13 32 72 DB13 DB12 33 73 DB12 5 V 34 74 MATED 2 5 V 35 75 5 V GND 5 V CHARGE 36 76 5 V GND 78 Cheetah 10K 7 SCSI Product Manual Rev C Table 17 Note LC 80 pin single ended LVD I O connector pin assignments 11 Continued A minus sign preceding a signal name indicates that signal is active low Connector contact Signal name 1 number 3 Signal number 3 Contact name 1 NC 10 37 77 ACTIVE LED OUT 4 9 RMT_START 5 9 12 38 78 DLYD_START 6 9 12 SCSI ID 0 7 9 12 39 79 SCSI ID 1 7 9 12 SCSI ID 2 7 9 12 40 80 SCSI ID 3 7 9 12 Notes See page following this table Cheetah 10K 7 SCSI Product Manual Rev C 79 Notes for Tables 14 through 17 1 See Section 9 6 4 1 for detailed electrical characteristics of these signals 2 The conductor number refers to the conductor position when using 0 025 inch 0 635 mm centerline flat ribbon cable Other cables types may be used to implement equivalent contact assignments
52. Cache command all data received from previous write commands will have been written to the medium Tables 7 8 and 9 show Mode default settings for the drives 4 5 2 Prefetch operation If the Prefetch feature is enabled data in contiguous logical blocks on the disc immediately beyond that which was requested by a Read command can be retrieved and stored in the buffer for immediate transfer from the buffer to the host on subsequent Read commands that request those logical blocks this is true even if cache operation is disabled Though the prefetch operation uses the buffer as a cache finding the requested data in the buffer is a prefetch hit not a cache operation hit Prefetch is enabled using Mode Select page 08h byte 12 bit 5 Disable Read Ahead DRA bit DRA bit 0 enables prefetch Since data that is prefetched replaces data already in some buffer segment s the host can limit the amount of prefetch data to optimize system per formance The max prefetch field bytes 8 and 9 limits the amount of prefetch The drive does not use the Prefetch Ceiling field bytes 10 and 11 During a prefetch operation the drive crosses a cylinder boundary to fetch more data only if the Discontinuity DISC bit is set to one in bit 4 of byte 2 of Mode parameters page 08h Whenever prefetch read look ahead is enabled enabled by DRA 0 it operates under the control of ARLA Adaptive Read Look Ahead If the host uses software interleave ARLA enab
53. DBP 20 60 GND DB7 21 61 GND DB6 22 62 GND DB5 23 63 GND DB4 24 64 GND DB3 25 65 GND DB2 26 66 GND DBI 27 67 GND DBO 28 68 GND DP1 29 69 GND DB15 30 70 GND DB14 31 71 GND DB13 32 72 GND DB12 33 73 GND 5 V 34 74 MATED 2 5 V 35 75 5 V GND 45V 36 76 5 V GND 76 Cheetah 10K 7 SCSI Product Manual Rev C Table 16 Note LC 80 pin single ended SE I O connector pin assignments 11 Continued A minus sign preceding a signal name indicates that signal is active low Connector contact Signal name 1 number 3 Signal number 3 Contact name 1 NC 10 37 77 ACTIVE LED OUT 4 9 RMT START 5 9 12 38 78 DLYD START 6 9 12 SCSI ID 0 7 9 12 39 79 SCSI ID 1 7 9 12 SCSI ID 2 7 9 12 40 80 SCSI ID 3 7 9 12 Notes See page following Table 17 Cheetah 10K 7 SCSI Product Manual Rev C 77 Table 17 LC 80 pin single ended LVD I O connector pin assignments 11 Note A minus sign preceding a signal name indicates that signal is active low Connector contact Signal name 1 number 3 Signal number 3 Contact name 1 12 V CHARGE 1 41 12 V GND 12V 2 42 12 V GND 12V 3 43 12 V GND 12V 4 44 MATED 1 12 NC 10 5 45 NC 10 NC 10 6 46 DIFFSNS 8 DB11 7 47 DB11 DB10 8 48 DB10 DB9 9 49 D
54. Data pages by setting the Inquiry command EVPD bit to one The SCSI Interface Product Manual lists the Vital Product Data pages and describes their formats A separate Inquiry command must be sent to the drive for each Vital Product Data page the initiator wants the drive to send back 58 Cheetah 10K 7 SCSI Product Manual Rev C 9 3 2 Mode Sense data The Mode Sense command provides a means for the drive to report its operating parameters to the initiator The drive maintains four sets of Mode parameters Default values Saved values Current values and Change able values Default values are hard coded in the drive firmware that is stored in flash EPROM nonvolatile memory on the drive PCBA Default values can be changed only by downloading a complete set of new firmware into the flash EPROM An initiator can request and receive from the drive a list of default values and use those in a Mode Select command to set up new current and saved values where the values are changeable Saved values are stored on the disc media using a Mode Select command Only parameter values that are allowed to be changed can be changed by this method See Changeable values defined below Parameters in the saved values list that are not changeable by the Mode Select command get their values from the default values storage Current values are volatile values currently being used by the drive to control its operation A Mode Select command can be used to change the
55. ID 0 SS SCSI ID 1 a nE SCSI ID 2 Nin un uda SCSI ID 3 SCSIID 4 SCSI ID 5 Eh SCSI ID 6 E e E 2 SCSI ID 7 SCSI ID 8 eee SCSI ID 9 romi HH SCSIID 10 m m m m a dede SCSIID 11 SCSIID 12 EE SCSIID 13 al a scsiD 14 11 SCSIID 15 4 Host Reserved Alternate Usage Plug r 5V 6 1 I 4 Dashed area is optional host circuitry external to the drive connected to host supplied optional usage plug 5 Do not connect anything to pins 13 20 Figure 18 J6 jumper header 46 default 2 Do not install jumpers retain cover TN Shipped with cover installed Cheetah 10K 7 SCSI Product Manual Rev C Drive HDA rear view PCB facing downward NE Pin 1 5V Ground Pir 1 0 i IIIIIITI Q LI o O PO P2P 68 Pin SCSI I O Connector J1 default wa a as SCSIID 21 FS 8 ScsiiID 2 gu SCSIID 3 mi Scsilpe4 gs SCSIID 5
56. SI Interface Product Manual Prefetch and cache operation are independent features from the standpoint that each is enabled and disabled independently via the Mode Select command However in actual operation the prefetch feature overlaps cache operation somewhat as is noted in Section 4 5 1 and 4 5 2 All default cache and prefetch Mode parameter values Mode Page 08h for standard OEM versions of this drive family are given in Tables 7 8 and 9 4 5 Cache operation In general 6 991 kbytes of the physical buffer space in the drive can be used as storage space for cache oper ations The buffer can be divided into logical segments Mode Select Page 08h byte 13 from which data is read and to which data is written The drive supports a maximum of 64 cache segments The drive maintains a table of logical block disc medium addresses of the data stored in each segment of the buffer If cache opera tion is enabled RCD bit 0 in Mode Page 08h byte 2 bit 0 See SCSI Interface Product Manual data requested by the host with a Read command is retrieved from the buffer if it is there before any disc access Cheetah 10K 7 SCSI Product Manual Rev C 13 is initiated If cache operation is not enabled the buffer still segmented with required number of segments is still used but only as circular buffer segments during disc medium read operations disregarding Prefetch operation for the moment That is the drive does not check in the buffer segmen
57. Tables 7 8 and 9 show how individual bits are set and which are changeable by the host 3 WARNING A pomer loss during flash programming can result in firmware corruption This usually makes the drive inoperable Cheetah 10K 7 SCSI Product Manual Rev C 57 Table 6 lists the Standard Inquiry command data that the drive should return to the initiator per the format given in the SCSI Interface Product Manual part number 75789509 Inquiry command section Table 6 Cheetah 10K 7 SCSI family drive Standard Inquiry data Bytes Data HEX 0 15 03 12 01 53 las 41 47 41 54 45 20 VENDOR ID 16 31 53 54 33 33 30 30 30 30 37 AC 57 20 20 20 20 20 PRODUCT ID 32 47 RA R R R S S SK S St SK S SH 00 00 00 00 48 63 00 00 00 00 00 loo 00 OF loo 00 00 00 00 00 64 79 00 00 00 00 00 loo loo 00 00 00 00 00 80 95 00 00 00 00 00 00 00 00 loo 00 00 00 00 00 96 111 43 6F 70 79 72 69 67 68 74 20 28 63 29 20 Y COPYRIGHT 112 127 y y 20 53 65 61 67 61 74 65 20 41 6C 6C 20 NOTICE 128 143 72 69 67 68 74 73 20 72 65 73 65 72
58. Time Limit bytes in the Error Recovery Mode Page The total amount of time spent in error recovery for a single LBA can be limited via the Read Retry Count or Write Retry Count bytes in the Error Recovery Mode Page The drive firmware error recovery algorithms consist of 11 levels for read recoveries and 5 levels for writes Table 3 equates the Read and Write Retry Count with the maximum possible recovery time for read and write recovery of individual LBAs The times given do not include time taken to perform reallocations if reallocations are performed Reallocations are performed when the ARRE bit for reads or AWRE bit for writes is one the RC bit is zero and the Recovery Time Limit for the command has not yet been met Time needed to perform reallocation is not counted against the Recovery Time Limit The Read Continuous RC bit when set to one requests the disc drive to transfer the requested data length without adding delays for retries or ECC correction that may be required to insure data integrity The disc drive may send erroneous data in order to maintain the continuous flow of data The RC bit should only be Cheetah 10K 7 SCSI Product Manual Rev C 41 used when data integrity is not a concern and speed is of utmost importance If the Recovery Time Limit or retry count is reached during error recovery the state of the RC bit is examined If the RC bit is set the drive will transfer the unrecovered data with no error indication
59. al axis To calculate BTUs per hour multiply watts by 3 4123 ST3300007LC DC CURRENT POWER vs THROUGHPUT SE Random 8 Block Reads 1800 18 00 5Volt A 1600 6 00 f Volt A Watts 1400 4 00 1200 20 9 2 1000 000 8 E 0 800 8 00 5 S 5 0 600 6 00 VADE ELE LI E LS LE gt DDD Z U E 4 00 0200 hese be soba ee eee eke see cs 2 00 0 000 0 00 0 0 50 0 100 0 150 0 200 0 250 0 300 0 Os per Second Figure 8 ST3300007 DC current and power vs input output operations per second SE ST3300007LC DC CURRENT POWER vs THROUGHPUT LVD Random 8 Block Reads 1800 r 18 00 1600 16 00 1400 14 00 1200 12 00 8 1000 10 00 5 0 800 8 00 lt 0 600 6 00 0 400 4 00 0 200 2 00 0 000 0 00 0 0 50 0 100 0 150 0 200 0 250 0 300 0 Os per Second 5 Volt A 2 Volt A 4 Watts S e Figure 9 ST3300007 DC current and power vs input output operations per second LVD Cheetah 10K 7 SCSI Product Manual Rev C 31 ST3146707 For drives using single ended interface circuits typical power dissipation under idle conditions is 7 74 watts 26 41 BTUs per hour For drives using low voltage differential interface circuits typical power dissipation under idle conditions is 7 74 watts 26 41 BTUs per hour To obtain op
60. all center is located in Oklahoma City USA For warranty service in Africa and the Middle East dial our European CSO warranty center at 31 20 316 7222 from 8 30 A M to 5 00 P M Central Europe time Monday through Friday or send a FAX to 31 20 653 3513 The CSO warranty center is located in Amsterdam The Netherlands Cheetah 10K 7 SCSI Product Manual Rev C 89 Asia Pacific support services For Asia Pacific presales and technical support dial the toll free number for your specific location The Asia Pacific toll free numbers are available from 6 00 A M to 10 45 A M and 12 00 to 6 00 P M Australian East ern time Monday through Friday except as noted If your location is not listed here direct dial one of our tech nical support locations Warranty service is available from 9 00 A M to 6 00 P M April through October and 10 00 A M to 7 00 P M November through March Australian Eastern time Monday through Friday Seagate Service Centers Call center Toll free Direct dial FAX Australia 1800 14 7201 China Mandarin 4 800 810 9668 86 10 6225 5336 Hong Kong 800 90 0474 Hong Kong Cantonese 001 800 0830 1730 India 1 600 180 1104 Indonesia 001 803 1 003 2165 Japan 4 0034 800 400 554 Korea 4 007 98 8521 7635 Malaysia 1 800 80 2335 New Zealand 0800 443988 Singapore 800 1101 150 65 6488 7525 Taiwan Mandarin 4 00 800 0830 1730
61. ance caused by drive malfunction A S M A R T predictive failure indicates that the drive is deteriorating to an imminent failure and is considered an AFR hit 5 2 2 Preventive maintenance No routine scheduled preventive maintenance shall be required 5 2 3 Hot plugging Cheetah 10K 7 SCSI disc drives The ANSI SPI 3 T10 1302D document defines the physical requirements for removal and insertion of SCSI devices on the SCSI bus Four cases are addressed The cases are differentiated by the state of the SCSI bus when the removal or insertion occurs Case 1 All bus devices powered off during removal or insertion Case 2 RST signal asserted continuously during removal or insertion Case 3 Current I O processes not allowed during insertion or removal Case 4 Current I O process allowed during insertion or removal except on the device being changed 18 Cheetah 10K 7 SCSI Product Manual Rev C Seagate Cheetah 10K 7 SCSI disc drives support all four hot plugging cases Provision shall be made by the system such that a device being inserted makes power and ground connections prior to the connection of any device signal contact to the bus A device being removed shall maintain power and ground connections after the disconnection of any device signal contact from the bus see SFF 8451 Specification for SCA 2 Unshielded Connections It is the responsibility of the systems integrator to assure that no hazards from temperature energy voltage o
62. and continue to execute the remaining command If the RC bit is not set the drive will stop data transfer with the last good LBA and report a Check Condition Unrecovered Read Error 42 Cheetah 10K 7 SCSI Product Manual Rev C Table 3 Read and write retry count maximum recovery times 1 Read retry Maximum recovery time Write retry Maximum recovery time count 1 per LBA cumulative msec count per LBA cumulative msec 0 77 7 0 35 9 1 89 7 1 53 8 2 305 0 2 83 7 3 352 8 3 101 7 4 400 7 4 179 4 5 418 6 5 424 6 default 6 466 4 7 586 0 8 675 7 9 723 5 10 777 3 11 1 064 4 12 1 877 7 default 1 7 3 These values are subject to change Setting these retry counts to a value below the default setting could result in an increased unrecovered error rate which may exceed the value given in this product manual A setting of zero 0 will result in the drive not performing error recovery For example suppose the Read Write Recovery page has the RC bit set to 0 read retry count set to 4 and the recovery time limit field Mode Sense page 01 bytes 10 and 11 set to FF FF hex maximum A four LBA Read command is allowed to take up to 400 7 msec recovery time for each of the four LBAs in the command If the recovery time limit is set to 00 C8 hex 200 msec decimal a four LBA read command is allowed to take up to 200 msec for all error re
63. any drive part Altitude and atmospheric pressure specifications are referenced to a standard day at 58 7 F 14 8 C Maximum wet bulb temperature is 82 F 28 C 6 4 1 Temperature a Operating The maximum allowable continuous or sustained HDA case temperature for the rated AFR is 122 F 50 C The maximum allowable HDA case temperature is 60 C Occasional excursions of HDA case temperatures above 122 F 50 C or below 41 F 5 may occur without impact to specified AFR Continual or sustained operation at HDA case temperatures outside these limits may degrade AFR Provided the HDA case temperatures limits are met the drive meets all specifications over 41 to 131 F 5 C to 55 C drive ambient temperature range with a maximum temperature gradient of 36 F 20 C per hour Air flow may be needed in the drive enclosure to keep within this range see Section 8 3 Operation at HDA case temperatures outside this range may adversely affect the drives ability to meet specifications To confirm that the required cooling for the electronics and HDA case is provided place the drive in its final mechanical configuration perform random write read operations and measure the HDA case temperature after it has stabilized Non operating 40 to 158 F 40 to 70 C package ambient with a maximum gradient of 36 F 20 C per hour This specification assumes that the drive is packaged in the shipping container designed by Seagate for
64. ating abnormal The drive as installed for normal operation shall not incur physical damage while subjected to periodic vibration not exceeding 15 minutes of duration at major resonant frequency 5 500 Hz 1 5 G X Y or Z axis zero to peak Vibration occurring at these levels may degrade operational performance during the abnormal vibration period Specified operational performance will continue when normal operating vibration levels are resumed Operating abnormal translational random flat profile 10 400 Hz 1 2 GRMS c Non operating The limits of non operating vibration shall apply to all conditions of handling and transportation This includes both isolated drives and integrated drives The drive shall not incur physical damage or degraded performance as a result of continuous vibration not exceeding 5 22 Hz 0 040 inches 1 02 mm displacement zero to peak 22 500 Hz 3 00 G Vibration may be applied in the X Y or Z axis Non operating translational random flat profile 10 400 Hz 1 2 GRMS 6 4 5 Air cleanliness The drive is designed to operate in a typical office environment with minimal environmental control 6 4 6 Corrosive environment Seagate electronic drive components pass accelerated corrosion testing equivalent to 10 years exposure to light industrial environments containing sulfurous gases chlorine and nitric oxide classes G and H per ASTM B845 However this accelerated testing cannot duplicate every potential appl
65. b anu eau Bangun rn ppp e expen 15 4 5 3 Optimizing cache performance for desktop and server applications 15 Reliability specifications 17 5 1 Errorqatles iius ege ER Waele an dre UBER E ie ae Et 17 5 1 1 RecoverableErrOrS 5 wet Yap E ve 17 5 1 2 Unrecoverable Errofs 17 5 1 3 Seek errors DN a a Bond d PA Ee Sead 18 5 2 Reliability and service e nee 18 5 2 1 Annualized Failure Rate AFR 18 5 2 2 Preventive 18 5 2 3 Hot plugging Cheetah 10K 7 SCSI disc drives 18 5 2 4 S MART ster tente Saree r r 19 5 2 5 Thermal Montola sarrerei ee hive ee ei vee ER EE BRA 20 5 2 6 Drive Self Test DST 21 5 2 7 Product ne oii Gah ge IER PME EA te alae ed 23 Physical electrical specifications 25 6 1 AC power 25 6 2 DC power 1 25 6 2 1 Conducted noise 27 6 2 2 Power sequencing
66. ber 3 name 1 GND 1 1 2 35 DB12 GND 2 3 4 36 DB13 GND 3 5 6 37 DB14 GND 4 7 8 38 DB15 GND 5 9 10 39 DBP1 GND 6 11 12 40 DBO GND 7 13 14 41 DBI GND 8 15 16 42 DB2 GND 9 17 18 43 DB3 GND 10 19 20 44 DB4 GND 11 21 22 45 DB5 GND 12 23 24 46 DB6 GND 13 25 26 47 DB7 GND 14 27 28 48 DBP GND 15 29 30 49 GND GND 16 31 32 50 GND TermPwr 17 33 34 51 TermPwr TermPwr 18 35 36 52 TermPwr Reserved 19 37 38 53 Reserved GND 20 39 40 54 GND GND 21 41 42 55 ATN GND 22 43 44 56 GND GND 23 45 46 57 BSY GND 24 47 48 58 ACK GND 25 49 50 59 RST GND 26 51 52 60 MSG GND 27 53 54 61 SEL GND 28 55 56 62 C D GND 29 57 58 63 REG GND 30 59 60 64 GND 31 61 62 65 DB8 GND 32 63 64 66 DB9 GND 33 65 66 67 DB10 GND 34 67 68 68 DB11 Notes See page following Table 17 74 Cheetah 10K 7 SCSI Product Manual Rev C Table 15 Note LW 68 conductor LVD P cable signal pin assignments 11 Note A minus sign preceding a signal name indicates that signal is active low Connector contact Cable conductor Connector contact Signal name 1 number 3 number 2 number 3 Signal name 1 DB12 1 1 2 35 DB12 DB13 2 3 4 36 DB13 DB14 3 5 6 37 DB14 DB15 4 7 8 38 DB15 4DBP1 5 9 10 39 DBP1 DBO 6 11 12 40 DBO DBI 7 13 14 41 DBI DB2 8 15 16 42
67. covery within that command The use of the Recovery Time Limit field allows finer granularity on control of the time spent in error recovery The recovery time limit only starts counting when the drive is executing error recovery and it restarts on each command Therefore each command s total recovery time is subject to the recovery time limit Note A recovery time limit of O will use the drive s default value of FF FF Minimum recovery time limit is achieved by setting the Recovery Time Limit field to 00 01 SCSI systems errors Information on the reporting of operational errors or faults across the interface is given in the SCSI Interface Product Manual Message Protocol System is described in the SCS Interface Product Manual Several of the messages are used in the SCSI systems error management system The Request Sense command returns information to the host about numerous kinds of errors or faults The Receive Diagnostic Results reports the results of diagnostic operations performed by the drive Status returned by the drive to the Initiator is described in the SCSI Interface Product Manual Status reporting plays a role in the SCSI systems error management and its use in that respect is described in sections where the various commands are discussed Cheetah 10K 7 SCSI Product Manual Rev C 43 7 4 Background Media Scan Background Media Scan BGMS is a self initiated media scan It performs sequential reads across the entire pack of the m
68. d Error Counter page 03h Read Reverse Error Counter page 04h Self test Results page 10h Start stop Cycle Counter page OEh Temperature page ODh Verify Error Counter page 05h Write error counter page 02h Mode Select same pages as Mode Sense 1Ah 15h 2 Mode Select 10 same pages as Mode Sense 1Ah 55h Mode Sense 1Ah 2 Caching Parameters page 08h Control Mode page 0Ah Disconnect Reconnect 02h Error Recovery page 01h Format page 03h Information Exceptions Control page 1Ch Notch and Partition Page 0Ch Port Control Page 19h Power Condition page 1Ah Rigid Disc Drive Geometry page 04h Unit Attention page 00h Verify Error Recovery page 07h Xor Control page 10h Mode Sense 10 same pages as Mode Sense 1Ah 5Ah z lt 2 lt lt lt 1 lt lt 2 lt lt lt 1 lt lt 1 lt 1 lt lt lt lt 1 lt Pa lt Z lt lt lt IZ Z lt lt Z lt lt 2 Z zi lt lt Prefetch 34h Cheetah 10K 7 SCSI Product Manual Rev C Table 5 Commands supported by Cheetah 10K 7 SCSI family drive Continued Command name Command code Supported Read 08h Y Read Buffer modes 0 2 3 Ah and Bh supported 3Ch Y Read Capacity 25h Y Read Defect Data 10 3
69. d to a new place on the medium and the location listed in the defects reallocation table The P list is not altered after factory formatting Locations of defects found and reallocated during error recovery procedures after drive shipment are listed in the list defects growth list The P and lists may be referenced by the initiator using the Read Defect Data command see the SCSI Interface Product Manual 7 2 Drive error recovery procedures Whenever an error occurs during drive operation the drive if programmed to do so performs error recovery procedures to attempt to recover the data The error recovery procedures used depend on the options previ ously set up in the error recovery parameters mode page Error recovery and defect management may involve the use of several SCSI commands the details of which are described in the SCSI Interface Product Manual The drive implements selectable error recovery time limits such as are required in video applications For addi tional information on this refer to the Error Recovery Page table in the SCSI Interface Product Manual which describes the Mode Select Mode Sense Error Recovery parameters The error recovery scheme supported by the drive provides a means to control the total error recovery time for the entire command in addition to controlling the recovery level for a single LBA The total amount of time spent in error recovery for a command can be limited via the Recovery
70. e ANSI SPI 4 specification T10 1365D LC and LW model drives do not have onboard terminators Termination of the I O lines must be provided for by the Host equipment designers or end users LVD output characteristics Each differential signal driven by LVD interface drivers shall have the following output characteristics when measured at the disc drive connector Steady state Low level output differential voltage 0 320 V V 0 800 V signal negation logic 0 Steady state High level output differential voltage 0 320 V V 0 800 V signal assertion logic 1 80 Cheetah 10K 7 SCSI Product Manual Rev C LVD input characteristics Each differential signal received by LVD interface receiver circuits shall have the following input characteristics when measured at the disc drive connector Steady state Low level input differential voltage 0 030 V lt Vi lt 3 6 V signal negation logic 0 Steady state High level input differential voltage 3 6 V Vi 0 030 V signal assertion logic 1 Differential voltage 0 030 V minimum with common mode voltage range 0 845 V lt V lt 1 655 V T10 1302D revision 14 section A 3 2 VCCA VCCB Single Single M 1 Ended Ended 1__ _ Circuitry Negation 1 1 Single 1 Ended 1 Ground Driver Driver 1 Ground Single Ended GND Signal LVD Signal Signal Figure 27 Typical SE LVD alternative transmitter receiver circuit
71. e and cannot be separated by the user The equipment in which the drive is mounted is connected directly to the HDA and PCBA with no electri cally isolating shock mounts If it is desired for the system chassis to not be connected to the HDA PCBA ground the systems integrator or user must provide a nonconductive electrically isolating method of mount ing the drive in the host equipment Increased radiated emissions may result if you do not provide the maximum surface area ground connection between system ground and drive ground This is the system designer s and integrator s responsibility Cheetah 10K 7 SCSI Product Manual Rev C 51 52 Cheetah 10K 7 SCSI Product Manual Rev C 9 0 Interface requirements This section partially describes the interface requirements as implemented on the drives 9 1 General description This section describes in essentially general terms the interface requirements supported by the Cheetah 10K 7 SCSI No attempt is made to describe all of the minute details of conditions and constraints that must be con sidered by designers when designing a system in which this family of drives can properly operate Seagate declares that the drives operate in accordance with the appropriate ANSI Standards referenced in various places herein with exceptions as noted herein or in the Seagate SCSI Interface Product Manual 9 2 SCSI interface messages supported Table 4 lists the messages supported by the SCSI 2 and SCSI
72. e connector should be allowed since the length of the DC power carrying conductors could not be controlled and therefore could become too long for safe power transmission to the drive Multiconnector 80 conductor cables should espe cially not be allowed since the power carrying conductors on the 80 conductor interface were not intended to support a series of drives To insure that both drive connector and host equipment mating connector mate properly both drive connector and host equipment mating connector must meet the provisions of SFF 8451 Specification for SCA 2 Unshielded Connections To obtain this specification visit the following web site www sffcommittee org Cheetah 10K 7 SCSI Product Manual Rev C 69 Recommended mating 80 position PCBA mount connectors Straight in connector Hot plug version with ground guide pin Seagate P N 77678703 Amp US P N 2 557103 1 787311 1 with polarization or 94 0680 02 1 Amp US P N 2 557103 2 787311 2 without polarization or 94 0680 02 2 Amp Japan P N 5 175475 9 Right angle to PCBA connectors Seagate P N 77678559 Amp US P N 2 557101 1 Amp Japan P N 5 175474 9 For additional information call Amp FAX service at 1 800 522 6752 70 Cheetah 10K 7 SCSI Product Manual Rev C 1 2 3 4 5 6 7 LW LWV Model e 2 through X SCSI devices 4 SCSI ID 7 5 Pin 1 check your adapter for Pin 1 location Closed end type 68 pin connector used T
73. e control and temperature regu lation In particular the drive must be securely mounted in order to guarantee the specified performance char acteristics Mounting by bottom holes must meet the requirements of Section 8 4 2 1 Standards The Cheetah 10K 7 SCSI family complies with Seagate standards as noted in the appropriate sections of this Manual and the Seagate SCSI Interface Product Manual part number 75789509 The Cheetah 10K 7 SCSI disc drive is a UL recognized component per UL1950 CSA certified to CSA C22 2 No 950 95 and VDE certified to VDE 0805 and EN60950 2 1 1 Electromagnetic compatibility The drive as delivered is designed for system integration and installation into a suitable enclosure prior to use As such the drive is supplied as a subassembly and is not subject to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of Communica tions The design characteristics of the drive serve to minimize radiation when installed in an enclosure that provides reasonable shielding As such the drive is capable of meeting the Class B limits of the FCC Rules and Regula tions of the Canadian Department of Communications when properly packaged However it is the user s responsibility to assure that the drive meets the appropriate EMI requirements in their system Shielded I O cables may be required if the enclosure does not provide adequate shielding If the I O cabl
74. e values are not current Cheetah 10K 7 SCSI values but are listed for information only Waveform Waveform Description symbol 1 table 1 Typical timing Target Select Time no Arbitration TOO N A lt 1 us Target Select Time with Arbitration T01 4 5 1 2 1 93 us Target Select to Command TO2 4 5 1 3 77 us Target Select to MSG Out TO3 4 5 2 1 57 us Identify MSG to Command T04 4 5 3 3 36 us Command to Status TO5 4 5 5 Command Dependent Command to Data para In TO6 4 5 9 Command Dependent Command to Data para Out TO7 4 5 10 Command Dependent Command to Data Write to Data Buffer T08 4 5 10 Command Dependent Command to Disconnect MSG TO9 4 5 6 Command Dependent Disconnect MSG to Bus Free T10 4 5 6 14 0 52 us Disconnect to Arbitration for Reselect T11 4 5 6 Command Dependent This measures disconnected CMD overhead Target win Arbitration for Reselect T12 4 5 7 3 00 us Arbitration to Reselect T13 4 5 7 1 60 us Reselect to Identify MSG In T14 4 5 7 1 39 us Reselect Identify MSG to Status T15 4 5 8 Command Dependent Reselect Identify MSG to Data media T16 4 5 11 Command Dependent Data to Status T17 4 5 15 Command Dependent Status to Command Complete MSG T18 4 5 5 8 15 0 98 us Command Complete MSG to Bus Free T19 4 5 5 8 15 0 51 us Data to Save Data Pointer MSG T20 4 5 14 4 00 us Save Data Pointer MSG to Disconnect MSG T21 4 5 1
75. edia actu ator etc as this requires special facilities The drive contains no replaceable parts Opening the HDA voids your warranty Cheetah 10K 7 SCSI Product Manual Rev C 7 Cheetah 10K 7 SCSI drives use a dedicated landing zone at the innermost radius of the media to eliminate the possibility of destroying or degrading data by landing in the data zone The drive automatically goes to the landing zone when power is removed An automatic shipping lock prevents potential damage to the heads and discs that results from movement dur ing shipping and handling The shipping lock automatically disengages when power is applied to the drive and the head load process begins A high performance actuator assembly with a low inertia balanced patented straight arm design provides excellent performance with minimal power dissipation 3 1 Standard features The Cheetah 10K 7 SCSI family has the following standard features Integrated Ultra320 SCSI controller Multimode SCSI drivers and receivers single ended SE and low voltage differential LVD 16 bit I O data bus Asynchronous and synchronous data transfer protocol Firmware downloadable via SCSI interface User selectable logical block size 512 to bytes per logical block in any multiple of four bytes Programmable sector reallocation scheme Flawed sector reallocation at format time Programmable auto write and read reallocation Reallocation of defects on command p
76. edia while the drive is idle In RAID arrays BGMS allows hot spare drives to be scanned for defects prior to being put into service by the host system On regualr duty drives if the host system makes use of the BGMS Log Page it can avoid placing data in suspect locations on the media Unrecovered error sites found during BGMS will be logged and recovered error sites will be logged or reallocated per ARRE AWRE settings With BGMS the host system can consume less power and system overhead by only checking BGMS status results rather than tying up the bus and consuming power in the process of host initiated media scanning activ ity Since the background scan functions are only done during idle periods BGMS causes a negligible impact to system performance Background media scan will begin after 500ms of idle time Other features that normally use idle time to function will function normally because BGMS functions for bursts of 800ms and then sus pends activity to allow other background functions to operate Additionally BGMS operates in segments of 400 block reads checking for host commands upon completion of each of the block segments The BGMS function will complete any BGMS initiated error recovery prior to returning to service host initiated commands Overhead associated with a return to host servicing activity from BGMS only impacts the first com mand that interrupted BGMS This results in a typical delay of about 4 ms 7 4 1 Media Pre Scan
77. en applied the drive becomes ready within 25 seconds if the Motor Start Option is disabled i e the motor starts as soon as the power has been applied If a recoverable error condition is detected during the start sequence the drive executes a recovery procedure which may cause the time to become ready to exceed 25 seconds During spin up to ready time the drive responds to some com mands over the SCSI interface in less than 3 seconds after application of power Stop time is 30 seconds from removal of DC power If the Motor Start Option is enabled the internal controller accepts the commands listed in the SCSI Interface Product Manual less than 3 seconds after DC power has been applied After the Motor Start Command has been received the drive becomes ready for normal operations within 25 seconds typically excluding an error recovery procedure The Motor Start Command can also be used to command the drive to stop the spindle see the SCSI Interface Product Manual There is no power control switch on the drive 4 4 Prefetch multi segmented cache control The drive provides prefetch read look ahead and multi segmented cache control algorithms that in many cases can enhance system performance Cache as used herein refers to the drive buffer storage space when itis used in cache operations To select prefetch and cache features the host sends the Mode Select command with the proper values in the applicable bytes in Mode Page 08h see the SC
78. ential I O circuits a jumper on the TP position may be needed to power external terminators see system docu mentation These drives do not have terminator circuits on the drive Note J2 does not exist on LC models and is supported on LW models only Cheetah 10K 7 SCSI Product Manual Rev C 49 8 2 Drive orientation The balanced rotary arm actuator design of the drive allows it to be mounted in any orientation All drive perfor mance characterization however has been done with the drive in horizontal discs level and vertical drive on its side orientations and these are the two preferred mounting orientations 8 3 Cooling The host enclosure must dissipate heat from the drive You should confirm that the host enclosure is designed to ensure that the drive operates within the temperature measurement guidelines described in Section 6 4 1 In some cases forced airflow may be required to keep temperatures at or below the temperatures specified in Section 6 4 1 If forced air is necessary possible air flow patterns are shown in Figure 21 The air flow patterns are created by fans either forcing or drawing air as shown in the illustrations Conduction convection or other forced air flow patterns are acceptable as long as the temperature measurement guidelines of Section 6 4 1 are met Above unit P d 2 Under unit Note Air flows in the direction shown back to front n or in reverse direction front to back E Above un
79. er DST It is the responsibility of the host application to determine the not ready cause While not technically part of DST a Not Ready condition also qualifies the drive to be returned to Seagate as a failed drive A Drive Not Ready condition is reported by the drive under the following conditions Motor will not spin Motor will not lock to speed Servo will not lock on track Drive cannot read configuration tables from the disc In these conditions the drive responds to a Test Unit Ready command with an 02 04 00 or 02 04 03 code 5 2 6 2 2 Invoking DST To invoke DST submit the Send Diagnostic command with the appropriate Function Code 001b for the short test or 010b for the extended test in bytes 1 bits 5 6 and 7 Refer to the Seagate SCSI Interface Product Manual part number 75789509 for additional information about invoking DST 5 2 6 2 3 Short and extended tests DST has two testing options 1 short 2 extended These testing options are described in the following two subsections Each test consists of three segments an electrical test segment a servo test segment and a read verify scan segment 22 Cheetah 10K 7 SCSI Product Manual Rev C Short test Function Code 001b The purpose of the short test is to provide a time limited test that tests as much of the drive as possible within 120 seconds The short test does not scan the entire media surface but does some fundamental tests and scans p
80. erating power for typical random read operations refer to the following two I O rate curves see Figures 8 and 9 Locate the typical I O rate for a drive in your system on the horizontal axis and read the cor responding 5 volt current 12 volt current and total watts on the vertical axis To calculate BTUs per hour multiply watts by 3 4123 ST3146707LC DC CURRENT POWER vs THROUGHPUT SE Random 8 Block Reads 1800 18 00 5 A 1600 16 00 12 Volt A Watts 1400 4 00 1200 200 y 1000 000 6 2 0 800 800 8 lt o 0 600 600 0 400 4 00 0 200 2 00 0 000 0 00 0 0 50 0 100 0 150 0 200 0 250 0 300 0 Os per Second Figure 10 ST3146707 DC current and power vs input output operations per second SE ST3146707LC DC CURRENT POWER vs THROUGHPUT LVD Random 8 Block Reads 1800 18 00 e 5Volt A 1600 6 00 12 Volt A 4 Watts 1400 14 00 1200 200 2 2 1000 000 8 E 0 800 8 00 5 5 0 600 6 00 0 400 400 0 200 2 00 0 000 0 00 0 0 50 0 100 0 0 0 200 0 250 0 300 0 I Os per Second Figure 11 ST3146707 DC current and power vs input output operations per second LVD 32 Cheetah 10K 7 SCSI Product Manual Rev C ST373207 For drives using single ended interface circuits typical power dissipation under idle conditions is 6 78 watts 23 14 BTUs per hour For drives using low voltage differential interface circuits typica
81. erminators enabled Open end type in line application connector used Host need not be on the end of the bus Another device can be on the end with the terminator the host having no terminator Total interface cable length must not exceed that specified in ANSI document T10 1302D including host adapter initiator The cable length restriction limits the total number of devices allowed SCSI ID7 has highest arbitration priority then ID15 to ID8 ID 8 has the very lowest priority Last drive on the bus Open end type 68 pin connector used If end device use external terminator and closed end type 68 pin connector Figure 24 SCSI daisy chain interface cabling for LW drives Cheetah 10K 7 SCSI Product Manual Rev C 71 72 3 650 005 346 270 3937 600 0787 200 020 047 Uli 60 15 24 _ 519 20 13 18 r 508 P 100 1 816 i Pos 2 54 46 13 iti 315 1 Pos 1 085 ipd 8 00 218 45i pam U D ped Miza gt 32 N 315 010 OI alaale a COCA 8 00 ri ji A 2 050 35 218 1 27 840 005 083 001 dia 5 54 1 650 2134 700 T 41 91 1 0787 2 1 Pos 68 2 00
82. es are external to the enclosure shielded cables should be used with the shields grounded to the enclosure and to the host con troller 2 1 2 Electromagnetic susceptibility As a component assembly the drive is not required to meet any susceptibility performance requirements It is the responsibility of those integrating the drive within their systems to perform those tests required and design their system to ensure that equipment operating in the same system as the drive or external to the system does not adversely affect the performance of the drive See Table 2 DC power requirements Cheetah 10K 7 SCSI Product Manual Rev C 3 2 2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance to the directives standard s for CE Marking and C Tick Marking The drive was tested in a representative system for typical applications The selected sys tem represents the most popular characteristics for test platforms The system configurations include Typical current use microprocessor 3 5 inch floppy disc drive Keyboard Monitor display Printer External modem Mouse Although the test system with this Seagate model complies to the directives standard s we cannot guarantee that all systems will comply The computer manufacturer or system integrator shall confirm EMC compliance and provide CE Marking and C Tick Marking for their product Electromagnetic compliance for the European Union
83. evices All devices on the bus must operate in the same mode either SE or LVD but not a mixture of these All signals on the bus are common between all devices on the bus This bus must be terminated at both ends with the proper impedance in order to operate correctly Do not terminate intermediate SCSI devices In some cases the SCSI devices at each end have onboard termina tion circuits that can be enabled by installation of a jumper plug TE on the device These termination circuits receive power from either a source internal to the device or from a line in the interface cable specifically pow ered for that purpose LC and LW model drives do not have onboard termination circuits Some type of external termination circuits must be provided for these drives by the end user or designers of the equipment into which the drives will be integrated See the ANSI T10 Standard referenced above for the maximum number of devices that can successfully operate at various interface transfer rates on SE and LVD buses LC model drives plug into PCBA or bulkhead connectors in the host They may be connected in a daisy chain by the host backplane wiring or PCBA circuit runs that have adequate DC current carrying capacity to support the number of drives plugged into the PCBA or bulkhead connectors A single 80 pin I O connector cable can not support the DC current needs of several drives so no cables beyond the bulkhead connectors should be used A single drive connec
84. fication referred to in case A 2 If the prefetch feature is enabled refer to Section 4 5 2 for operation from this point Each buffer segment is actually a self contained circular storage wrap around occurs the length of which is an integer number sectors The wrap around capability of the individual segments greatly enhances the buffer s overall performance as a cache storage allowing wide range of user selectable configurations which includes their use in the prefetch operation if enabled even when cache operation is disabled see Section 4 5 2 The number of segments is set dynamically by the drive and cannot normally be set by the host it can be set using the PM bit as described in Section 4 5 3 The size in Kbytes of each segment is not reported by the Mode Sense command page 08h bytes 14 and 15 The value OXFFFF is always reported If a size specifi cation is sent by the host in a Mode Select command bytes 14 and 15 no new segment size is set up by the drive and if the STRICT bit in Mode page 00h byte 2 bit 1 is set to one the drive responds as it does for any attempt to change unchangeable parameters see SCSI Interface Product Manual 4 5 1 Caching write data Write caching is a write operation by the drive that makes use of a drive buffer storage area where the data to be written to the medium is stored in one or more segments while the drive performs the write command If read caching is enabled RCD 0 then data
85. gated by the host to determine the time remaining before the next scheduled measure ment and data logging process will occur This is accomplished by a log sense command to log page Ox3E The purpose is to allow the customer to control when S M A R T interruptions occur As described above forc ing S M A R T by the Rezero Unit command will reset the timer Cheetah 10K 7 SCSI Product Manual Rev C 19 Performance impact S M A R T attribute data will be saved to the disc for the purpose of recreating the events that caused a predic tive failure The drive will measure and save parameters once every two hours subject to an idle period on the SCSI bus The process of measuring off line attribute data and saving data to the disc is uninterruptable and the maximum delay is summarized below Maximum processing delay On line only delay Fully enabled delay DEXCPT 0 PERF 1 DEXCPT 0 PERF 0 S M A R T delay times 60 milliseconds 370 milliseconds Reporting control Reporting is controlled in the Informational Exceptions Control Page 1Ch Subject to the reporting method the firmware will report a predictive 01 5D00 sense code The error code is preserved through bus resets and power cycles Determining rate S M A R T monitors the rate at which errors occur and signals a predictive failure if the rate of degraded error rate increases to an unacceptable level To determine rate error events are logged and compared to the num ber of
86. hange the current values or the saved values with a Mode Select command before the drive is up to speed and is ready An attempt to do so results in a Check Condition sta tus being returned Note Because there may be several different versions of drive control firmware in the total population of drives in the field the Mode Sense values given in the following tables may not exactly match those of some drives The following tables list the values of the data bytes returned by the drive in response to the Mode Sense com mand pages for SCSI Ultra160 implementation see the SCSI Interface Product Manual Definitions DEF Default value Standard drives are shipped configured this way CHG Changeable bits indicates if current and saved values are changeable Note Saved values for OEM drives are normally the same as the default values Cheetah 10K 7 SCSI Product Manual Rev C 59 Table 7 ST3300007 Mode sense data MODE SENSE 10 BYTE HEADER DATA 00 ae 00 10 00 00 00 08 22 ec b2 5c 00 00 02 00 MODE SENSE PAGES DATA SAV 81 Oc ff 00 00 00 05 00 ff ff DEF 81 cO Oc ff 00 00 00 05 00 ff ff CHG 81 Oa ff ff 00 00 00 00 ff OO ff ff SAV 82 80 80 00 00 00 00 00 00 00 00 00 00 00 DEF 82 0e 80 80 00 0a 00 00 00 00 00 00 00 00 00 00 CHG 82 Oe ff ff 00 00 00 00 00 00 00 00 87 00 00 00 SAV 83 16 3b 18 00 00 00 28 00 00 03 29 02 00 00 01 01 10 00 78 40 00 00
87. he first trip point is set at 68 C which is the maximum temperature limit according to the drive specification The second trip point is user selectable using the Log Select command The reference temperature parameter in the temperature log page see Table 1 can be used to set this trip point The default value for this drive is 68 C however you can set it to any value in the range of 0 to 68 If you specify a temperature greater than 68 C in this field the temperature is rounded down to 68 C A sense code is sent to the host to indicate the rounding of the parameter field Table 1 Temperature Log page 0Dh Parameter Code Description 0000h Primary Temperature 0001h Reference Temperature When the first temperature trip point is exceeded S M A R T data is collected and a frame is saved to the disc 5 2 6 Drive Self Test DST Drive Self Test DST is a technology designed to recognize drive fault conditions that qualify the drive as a failed unit DST validates the functionality of the drive at a system level There are two test coverage options implemented in DST 1 Extended test 2 Short text The most thorough option is the extended test that performs various tests on the drive and scans every logical block address LBA of the drive The short test is time restricted and limited in length it does not scan the entire media surface but does some fundamental tests and scans portions of the media If DST enco
88. here in the world reseller seagate com reseller seagate com supports Seagate resellers with product information program benefits and sales tools You may register for customized communications that are not available on the web These communications contain product launch EOL pricing promotions and other channel related information To learn more about the benefits or to register go to reseller seagate com any time from anywhere in the world Automated phone services SeaFONE 1 800 SEAGATE is the Seagate toll free number 1 800 732 4283 to access our automated directory assistance for Seagate Service Center support options International callers can reach this service by dialing 1 405 324 4770 Seagate Service Centers Presales Support Our Presales Support staff can help you determine which Seagate products are best suited for your specific application or computer system as well as drive availability and compatibility Technical Support If you need help installing your drive consult your system s documentation or contact the dealer s support ser vices department for assistance specific to your system Seagate technical support is also available to assist you online at support seagate com or through one of our call centers Have your system configuration informa tion and your drive s ST model number available SeaTDD 1 405 324 3655 is a telecommunications device for the deaf TDD You can send question
89. ication environment Users should use caution exposing any electronic components to uncontrolled chemical pollutants and corro sive chemicals as electronic drive component reliability can be affected by the installation environment The sil ver copper nickel and gold films used in Seagate products are especially sensitive to the presence of sulfide chloride and nitrate contaminants Sulfur is found to be the most damaging In addition electronic components should never be exposed to condensing water on the surface of the printed circuit board assembly PCBA or exposed to an ambient relative humidity greater than 95 Materials used in cabinet fabrication such as vulca nized rubber that can outgas corrosive compounds should be minimized or eliminated The useful life of any electronic equipment may be extended by replacing materials near circuitry with sulfide free alternatives Cheetah 10K 7 SCSI Product Manual Rev C 37 6 4 7 Acoustics Sound power during idle mode shall be 3 3 bels typical or better when measured to ISO 7779 specification There will not be any discrete tones more than 10 dB above the masking noise on typical drives when mea sured according to Seagate specification 30553 001 There will not be any tones more than 24 dB above the masking noise on any drive 6 4 8 Electromagnetic susceptibility See Section 2 1 2 6 5 Mechanical specifications The following nominal dimensions are exclusive of the decorative front
90. input output operations per second SE 31 ST3300007 DC current and power vs input output operations per second LVD 31 ST3146707 DC current and power vs input output operations per second SE 32 ST3146707 DC current and power vs input output operations per second LVD 32 ST373207 DC current and power vs input output operations per second SE 33 ST373207 DC current and power vs inpu output operations per second LVD 33 Location of the HDA temperature check point 34 Recommended mounting ii 36 LW mounting configuration dimensions 39 LC mounting configuration dimensions 40 J6 jumper 46 J5 jumper header LW models only 47 J2 option select header LW models only 48 Air tlow suggested 2 2 sneti Pain ea nk en ER Klan Es sede r ne Pees 50 LW model drive physical interface 68 pin J1 SCSI I O connector 66 LC model drive physical interface 80 pin J1 SCSI I O connector 66 SCSI daisy chain interface cabling for LW drives 71 Nonshielded 68 pin SCSI device connector used on LW drives 72 Nonshielded 80
91. is manual see Section 6 2 Errors caused by host system failures are excluded from error rate computations Assume random data Default OEM error recovery settings are applied This includes AWRE ARRE full read retries full write retries and full retry time 5 1 1 Recoverable Errors Recovereable errors are those detected and corrected by the drive and do not require user intervention Recoverable Data errors will use correction although ECC on the fly is not considered for purposes of recov ered error specifications Recovered Data error rate is determined using read bits transferred for recoverable errors occurring during a read and using write bits transferred for recoverable errors occurring during a write 5 1 2 Unrecoverable Errors Unrecoverable Data Errors Sense Key 03h are specified at less than 1 sector in error per 1019 bits trans ferred Unrecoverable Data Errors resulting from the same cause are treated are 1 error for that block Cheetah 10K 7 SCSI Product Manual Rev C 17 5 1 3 Seek errors A seek error is defined as a failure of the drive to position the heads to the addressed track After detecting an initial seek error the drive automatically performs an error recovery process If the error recovery process fails a seek positioning error Error code 15h or 02h will be reported with a Hardware error 04h in the Sense Key Recoverable seek errors are specified at Less than 10 errors in 10 seeks Un
92. it Ww 5 Note Air flows in the direction shown or Under unit Ta in reverse direction side to side Figure 21 Air flow suggested 50 Cheetah 10K 7 SCSI Product Manual Rev C 8 4 Drive mounting When mounting the drive using the bottom holes x y plane in Figure 15 care must be taken to ensure that the drive is not physically distorted due to a stiff non flat mounting surface The allowable mounting surface stiffness is 80 Ib in 14 0 N mm The following equation and paragraph define the allowable mounting surface stiffness k x F lt 1516 67N where k represents the mounting surface stiffness units of Ib in or N mm and x represents the out of plane mounting surface distortion units of inches or millimeters The out of plane distortion x is determined by defining a plane with three of the four mounting points fixed and evaluating the out of plane deflection of the fourth mounting point when a known force F is applied to the fourth point Note Before mounting the drive in any kind of 3 5 inch to 5 25 inch adapter frame verify that the drive can meet the shock and vibration specifications given herein while mounted in such an adapter frame Adapter frames that are available may not have a mechanical structure capable of mounting the drive so that it can meet the shock and vibration specifications listed in this manual 8 5 Grounding Signal ground PCBA and HDA ground are connected together in the driv
93. l power dissipation under idle conditions is 6 78 watts 23 14 BTUs per hour To obtain operating power for typical random read operations refer to the following two I O rate curves see Figures 8 and 9 Locate the typical I O rate for a drive in your system on the horizontal axis and read the cor responding 5 volt current 12 volt current and total watts on the vertical axis To calculate BTUs per hour multiply watts by 3 4123 ST373207LC DC CURRENT POWER vs THROUGHPUT SE Random 8 Block Reads 1800 18 00 5Volt A 1600 16 00 Watts 1400 1 00 1200 20 9 1000 000 8 2 0 800 800 S lt 0 600 6 00 0 400 4 00 0 200 2 00 0 000 0 00 0 0 50 0 100 0 150 0 200 0 250 0 300 0 Os per Second Figure 12 ST373207 DC current and power vs input output operations per second SE ST373207LC DC CURRENT POWER vs THROUGHPUT LVD Random 8 Block Reads 1800 18 00 5Volt A 1600 6 00 2 Volt A 4 Watts 1400 14 00 1200 200 2 2 1000 000 6 3 0 800 800 5 8 0 600 0 400 0 200 0 000 0 0 50 0 100 0 150 0 200 0 250 0 300 0 Os per Second Figure 13 ST373207 DC current and power vs input output operations per second LVD Cheetah 10K 7 SCSI Product Manual Rev C 33 6 4 Environmental limits Temperature and humidity values experienced by the drive must be such that condensation does not occur on
94. ld not be used in the same bus Implementations may require trade offs in shielding effectiveness cable length number of loads and spacing transfer rates and cost to achieve satisfactory system operation If shielded and unshielded cables are mixed within the same SCSI bus the effect of impedance mismatch must be carefully considered Proper impedance matching is especially important in order to maintain adequate margin at FAST 20 FAST 40 FAST 80 and FAST 160 SCSI transfer rates Note For LVD operation twisted pair cables are recommended For LVD Fast 40 operation twisted pair cables are strongly recommended For Fast 80 and Fast 160 operation twisted pair cables are required LC Models The 80 pin connector option provided on LC models is intended for use on drives that plug directly into back plane connector in the host equipment In such installations all backplane wiring segments are subject to the electromagnetic concepts presented in Standard T10 1365D Rev 3 Section 6 For LC model drives installa tions with connectors on cables are not recommended 9 6 4 Mating connectors Part numbers for the different type connectors that mate with the various Cheetah 10K 7 SCSI I O connectors are given in the sections following 68 Cheetah 10K 7 SCSI Product Manual Rev C 9 6 4 1 Mating connectors for LW model drives The nonshielded cable connector shall be a 68 conductor connector consisting of two rows of 34 male contacts with
95. les prefetch of contiguous blocks from the disc when it senses that a prefetch hit will likely occur even if two consecutive read operations were not for physically contiguous blocks of data e g software interleave ARLA disables prefetch when it decides that a prefetch hit will not likely occur If the host is not using software interleave and if two sequential read operations are not for contiguous blocks of data ARLA disables prefetch but as long as sequential read operations request contiguous blocks of data ARLA keeps prefetch enabled 4 5 3 Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for optimal performance This means it is difficult to provide a single configuration that meets both of these needs In a desktop environment you want to configure the cache to respond quickly to repetitive accesses of multiple small segments of data without taking the time to look ahead to the next contiguous segments of data In a server environment you want to configure the cache to provide large volumes of sequential data in a non repetitive manner In this case the ability of the cache to look ahead to the next contiguous segments of sequential data is a good thing The Performance Mode PM bit controls the way the drive switches the cache buffer into different modes of segmentation In server mode PM bit 0 the drive can dynamically change the
96. logical block 13 14 15 logical characteristics 64 logical segment mode select page 08h 13 low voltage differential LVD drivers and receivers 8 LVD 80 LVD interface receiver circuits 81 magnetoresistive heads 7 mating connector 65 68 69 mating flat cable connector 69 maximum current requirements 27 maximum operating current 27 maximum starting current 25 26 ME jumper 49 media 8 59 message protocol 64 message protocol system 43 messages Cheetah 10K 7 SCSI Product Manual Rev C SCSI interface 53 miscellaneous features 63 mode page 01 59 mode page 08h 13 mode parameter 59 page 08h 15 mode select command 13 59 mode select page 08h 15 mode sense command 59 mode sense command page 08h 14 mode sense data 59 mode sense value 59 model number table 7 motor start command 13 motor start delay option 80 motor start option 13 26 80 mounting configuration 38 mounting configuration dimensions 39 40 mounting constraints 17 51 mounting point 51 mounting surface 51 mounting surface distortion 51 mounting surface stiffness 51 MTBF 18 MTBF see AFR 18 multiconnector 80 conductor 69 multimode drivers and receivers 8 multiple segment 14 multi segmented cache control 13 N noise 27 audible 3 non operating 34 35 37 temperature 34 non operating vibration 37 nonshielded 68 conductor connector 69 O office environment 37 operating 34 35 37 operating environment 18 operating option 45 operating parameter
97. nd 10 25 40 0 12 50 20 0 25 100 10 0 50 200 5 0 1 This transfer rate is only allowed when using the LVD interface 9 5 2 REQ ACK offset Cheetah 10K 7 SCSI family drives support REQ ACK offset values from 7 to 63 3Fh Offsets of 1 through 6 are negotiated to 0 asynchronous transfer 9 6 Physical interface This section describes the connectors cables signals terminators and bus timing of the DC and SCSI I O interface See Section 9 8 and Section 9 9 for additional terminator information Figures 22 and 23 show the locations of the DC power connector SCSI interface connector drive select head ers and option select headers Details of the physical electrical and logical characteristics are given in sections following while the SCSI operational aspects of Seagate drive interfaces are given in the SCSI Interface Product Manual 64 Cheetah 10K 7 SCSI Product Manual Rev C 9 6 1 DC cable and connector LW model drives receive DC power through a 4 pin connector see Figure 24 for pin assignment mounted at the rear of the main PCBA Recommended part numbers of the mating connector are listed below but equiva lent parts may be used Type of cable Connector Contacts 20 14 AWG 14 AWG MP 1 480424 0 AMP 60619 4 Loose Piece AMP 61117 4 Strip LC model drives receive power through the 80 pin I O connector See Tables 16 and 17 Cheetah 10K 7 SCSI Product Manual Rev C 65 Power 12V 12V ret 5V re
98. non volatile memory After a self test is complete or has been aborted the drive updates the Self Test Results Value field in its Self Test Results Log page in non volatile memory The host may use Log Sense to read the results from up to the last 20 self tests performed by the drive The self test results value is a 4 bit field that reports the results of the test If the field is zero the drive passed with no errors detected by the DST If the field is not zero the test failed for the reason reported in the field The drive will report the failure condition and LBA if applicable in the Self test Results Log parameter The Sense key ASC ASCQ and FRU are used to report the failure condition 5 2 6 2 5 Abort There are several ways to abort a diagnostic You can use a SCSI Bus Reset or a Bus Device Reset message to abort the diagnostic You can abort a DST executing in background mode by using the abort code in the DST Function Code field This will cause a 01 self test aborted by the application client code to appear in the self test results values log All other abort mechanisms will be reported as a 02 self test routine was interrupted by a reset condition 5 2 7 Product warranty Beginning on the date of shipment to customer and continuing for a period of five years Seagate warrants that each product including components and subassemblies or spare part that fails to function properly under nor mal use due to defect in materials
99. nsertion care should be taken to avoid exceeding the limits stated in Section 6 4 4 Shock and vibration in this manual 5 2 4 S M A R T S M A R T is an acronym for Self Monitoring Analysis and Reporting Technology This technology is intended to recognize conditions that indicate drive degradation and is designed to provide sufficient warning of a failure to allow data back up before an actual failure occurs Note The firmware will monitor specific attributes for degradation over time but cannot predict instanta neous drive failures Each attribute monitors a specific set of conditions in the operating performance of the drive and the thresh olds are optimized to minimize false predictions Controlling S M A R T The operating mode of S M A R T is controlled by the DEXCPT bit and the PERF bit of the Informational Exceptions Control Mode Page 1Ch The DEXCPT bit is used to enable or disable the S M A R T process Setting the DEXCPT bit will disable all S M A R T functions When enabled S M A R T will collect on line data as the drive performs normal read write operations When the PERF bit is set the drive is considered to be in On line Mode Only and will not perform off line functions The process of measuring off line attributes and saving data can be forced by the Rezero Unit command Forc ing S M A R T will reset the timer so that the next scheduled interrupt will be two hours The drive can be interro
100. number of cache buffer segments as needed to optimize the performance based on the command stream from the host In desktop mode PM bit 1 the number of segments is maintained at the value defined in Mode Page 8 Byte 13 at all times unless changed by using a Mode Select command For additional information about the PM bit refer to the Unit Attention Parameters page 00h of the Mode Sense command 1Ah in the SCSI Interface Product Manual part number 75789509 Cheetah 10K 7 SCSI Product Manual Rev C 15 Cheetah 10K 7 SCSI Product Manual Rev C 5 0 Reliability specifications The following reliability specifications assume correct host drive operational interface including all interface timings power supply voltages environmental requirements and drive mounting constraints see Section 8 4 Seek Errors Less than 10 in 10 seeks Read Error Rates 1 Recovered Data Less than 10 errors in 10 bits transferred OEM default settings Unrecovered Data Less than 1 sector in 1075 bits transferred OEM default settings Miscorrected Data Less than 1 sector in 102 bits transferred AFR 0 62 Service Life 5 years Preventive Maintenance None required Note 1 Error rate specified with automatic retries and data correction with ECC enabled and all flaws reallocated 5 1 Error rates The error rates stated in this specification assume the following The drive is operated per this specification using DC power as defined in th
101. ology LLC 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 100260915 Rev C Printed in USA
102. on Ultra Ultra2 Ultra320 SCSI host adapters Table 1 lists the features that differentiate the Cheetah 10K 7 SCSI models Table 1 Drive model number vs differentiating features Number of active Number of I O Model number heads I O circuit type 1 connector pins ST3300007LW 8 ST3146707LW 4 Single ended SE and low voltage differential LVD 68 ST373207LW 2 ST3300007LC 8 ST3146707LC 4 Single ended SE and low voltage differential LVD 80 ST373207LC 2 1 See Section 9 6 for details and definitions The drive records and recovers data on approximately 84 mm non removable discs The drive supports the Small Computer System Interface SCSI as described in the ANSI SCSI interface specifications to the extent described in this manual volume 1 which defines the product performance char acteristics of the Cheetah 10K 7 SCSI family of drives and the SCSI Interface Product Manual volume 2 part number 75789509 which describes the general interface characteristics of this and other families of Seagate SCSI drives The drive s interface supports multiple initiators disconnect reconnect self configuring host software and log ical block addressing The head and disc assembly HDA is sealed at the factory Air circulates within the HDA through a non replaceable filter to maintain a contamination free HDA environment Never disassemble the HDA and do not attempt to service items in the sealed enclosure heads m
103. on workmanship or due to nonconformance to the applicable specifications will be repaired or replaced at Seagate s option and at no charge to customer if returned by customer at cus tomer s expense to Seagate s designated facility in accordance with Seagate s warranty procedure Seagate will pay for transporting the repair or replacement item to customer For more detailed warranty information refer to the Standard terms and conditions of Purchase for Seagate products Cheetah 10K 7 SCSI Product Manual Rev C 23 Shipping When transporting or shipping a drive a Seagate approved container must be used Keep your original box They are easily identified by the Seagate approved package label Shipping a drive in a non approved con tainer voids the drive warranty Seagate repair centers may refuse receipt of components improperly packaged or obviously damaged in tran sit Contact your Authorized Seagate Distributor to purchase additional boxes Seagate recommends shipping by an air ride carrier experienced in handling computer equipment Product repair and return information Seagate authorized customer service centers are the only facilities authorized to service Seagate drives Seagate does not sanction any third party repair facilities Any unauthorized repair or tampering with the fac tory seal voids the warranty 24 Cheetah 10K 7 SCSI Product Manual Rev C 6 0 Physical electrical specifications This section provides informa
104. ortions of the media A complete read verify scan is not performed and only factual failures will report a fault condition This option provides a quick confidence test of the drive Extended test Function Code 010b The objective of the extended test option is to empirically test critical drive components For example the seek tests and on track operations test the positioning mechanism The read operation tests the read head element and the media surface The write element is tested through read write read operations The integrity of the media is checked through a read verify scan of the media Motor functionality is tested by default as a part of these tests The anticipated length of the Extended test is reported through the Control Mode page 5 2 6 2 4 Log page entries When the drive begins DST it creates a new entry in the Self test Results Log page The new entry is created by inserting a new self test parameter block at the beginning of the self test results log parameter section of the log page Existing data will be moved to make room for the new parameter block The drive reports 20 param eter blocks in the log page If there are more than 20 parameter blocks the least recent parameter block will be deleted The new parameter block will be initialized as follows 1 The Function Code field is set to the same value as sent in the DST command 2 The Self Test Results Value field is set to Fh 3 The drive will store the log page to
105. ost format ECC maximum burst correction length of 320 bits Sealed head and disc assembly No preventative maintenance or adjustment required Dedicated head landing zone Embedded servo design Self diagnostics performed when power is applied to the drive Zoned bit recording ZBR Vertical horizontal or top down mounting Dynamic spindle brake 8 192 kbytes data buffer Hot plug compatibility Section 9 6 4 2 lists proper host connector needed for LC model drives Drive Self Test DST BackGround Media Scan BGMS Data Integrity Check Power Save Supports SCSI bus fairness 3 2 Media characteristics The media used on the drive has an aluminum substrate coated with a thin film magnetic material overcoated with a proprietary protective layer for improved durability and environmental protection 8 Cheetah 10K 7 SCSI Product Manual Rev C 3 3 Performance Supports industry standard Ultra320 SCSI interface Programmable multi segmentable cache buffer see Section 4 5 10 000 RPM spindle Average latency 3 00 ms Command queuing of up to 64 commands Background processing of queue Supports start and stop commands spindle stops spinning 3 4 Reliability Annualized Failure Rate AFR of 0 6296 LSI circuitry Balanced low mass rotary voice coil actuator Incorporates industry standard Self Monitoring Analysis and Reporting Technology S M A R T 5 year warranty 3
106. pecified The factory also ships with the drive a small bag of jumper plugs used for the J2 J5 and J6 option select jumper headers on LW models only 3 7 Options factory installed All customer requested options are incorporated during production or packaged at the manufacturing facility before shipping Some of the options available are not an exhaustive list of possible options Other capacities can be ordered depending on sparing scheme and sector size requested Single unit shipping pack The drive is normally shipped in bulk packaging to provide maximum protection against transit damage Units shipped individually require additional protection as provided by the single unit shipping pack Users planning single unit distribution should specify this option The Cheetah 10K 7 SCSI Installation Guide part number 100260917 is usually included with each standard OEM drive shipped but extra copies may be ordered The Safety and Regulatory Agency Specifications part number 75789512 is usually included with each standard OEM drive shipped but extra copies may be ordered 3 8 Accessories user installed The following accessories are available All accessories may be installed in the field Single unit shipping pack 10 Cheetah 10K 7 SCSI Product Manual Rev C 4 0 Performance characteristics 4 1 Internal drive characteristics transparent to user ST3300007 ST3146707 ST373207 Drive capacity 300 0 146 8 73 4 GByte fo
107. power specified at nominal voltages Decreasing 5 volts by 5 increases 5 volt current by 0 596 Decreasing 12 volt supply by 5 increases 12 volt current by 1 4 296 for ST3146707 and ST373207 models During idle the drive heads are relocated every 60 seconds to a random location within the band from Cheetah 10K 7 SCSI Product Manual Rev C three quarters to maximum track General Notes from Table 2 1 Minimum current loading for each supply voltage is not less than 1 2 of the maximum operating current shown 2 The 5 and 12 volt supplies shall employ separate ground returns 3 Where power is provided to multiple drives from a common supply careful consideration for individual drive power requirements should be noted Where multiple units are powered on simultaneously the peak starting current must be available to each device 4 Parameters other than spindle start are measured after a 10 minute warm up No terminator power 6 2 1 Conducted noise immunity Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 20 MHz Maximum allowed noise values given below are peak to peak measurements and apply at the drive power con nector 5 V 250 mV pp from 100 Hz to 20 MHz 12 V 800 mV pp from 100 Hz to 8 KHz 450 mV pp from 8 KHz to 20 KHz 250 mV pp from 20 KHz to 5 MHz 6 2 2 Power sequencing The drive does not require power sequencing The drive protects against inad
108. priority 71 asynchronous interface transfer rate 85 audible noise 3 Australia New Zealand Standard 4 automatic retry 17 automatic shipping lock 8 average idle current 25 26 average latency 9 average rotational latency 11 13 B background processing 9 backward compatibility 7 bits inch 11 buffer 13 14 15 buffer segment 14 15 buffer full 14 buffer full ratio 14 bulkhead connector 67 bus 71 bus device reset message 59 Cheetah 10K 7 SCSI Product Manual Rev C bytes per sector 57 bytes surface 11 bytes track 11 cable 65 cache 13 14 15 cache buffer 9 cache miss 14 cache mode 13 cache operation 13 cache operation hit 15 cache segment 14 caching write data 14 Canadian Department of Communications 3 capacities 10 capacity drive programmable 10 CE Marking 4 changeable bit 59 changeable value 59 check condition 59 circuits 81 class B limit 3 command 13 54 command descriptor block CDB 13 command queuing 9 condensation 34 conducted noise immunity 26 27 connect disconnect 13 connector 65 connector contact 80 consecutive read operation 15 contiguous blocks of data 15 continuous vibration 37 controller 13 controller overhead 12 controller self test 27 cooling 50 Corrosive environment 37 C Tick Marking 4 current 27 current limiting 27 current profile 27 28 29 30 current requirements 25 current value 59 cylinder boundary 15 D daisy chain 27 67 data block size
109. r ESD potential are presented during the hot connect disconnect operation All I O processes for the SCSI device being inserted or removed shall be quiescent All SCSI devices on the bus shall have receivers that conform to the SPI 3 standard If the device being hot plugged uses single ended SE drivers and the bus is currently operating in low voltage differential LVD mode then all I O processes for all devices on the bus must be completed and the bus qui esced before attempting to hot plug Following the insertion of the newly installed device the SCSI host adapter must issue a Bus Reset followed by a synchronous transfer negotiation Failure to perform the SCSI Bus Reset could result in erroneous bus operations The SCSI bus termination and termination power source shall be external to the device being inserted or removed End users should not mix devices with high voltage differential HVD drivers and receivers and devices with SE LVD or multimode drivers and receivers on the same SCSI bus since the common mode voltages in the HVD environment may not be controlled to safe levels for SE and LVD devices see ANSI SPI 3 The disc drive spindle must come to a complete stop prior to completely removing the drive from the cabinet chassis Use of the Stop Spindle command or partial withdrawal of the drive enough to be disconnected from the power source prior to removal are methods for insuring that this requirement is met During drive i
110. r TPE 8 1 twist 131 ohms 93 ohms 15 3 pF ft 1 45 ns ft 0 105 2 45 meters 4 9 meters 1 75 flat 9 85 flat ohms ft 8 33 ft 16 66 ft to flat 30 AWG solid tinned copper TPE 4 25 twist 131 ohms 93 ohms 15 3 pF ft 1 45 ns ft 0 105 1 52 meters 3 04 meters 1 75 flat 6 flat to ohms ft 5 0 ft 10 0 ft flat 30 AWG solid tinned copper 9 8 Caution Terminator requirements These drives do not have onboard internal terminators The user systems integrator or host equip ment manufacturer must provide a terminator arrangement external to the drive when termination is required For LW drives terminator modules can be purchased that plug between the SCSI I O cable and the drive I O connector or on the end of a short I O cable stub extending past the last cable connector LC drives are designed to be plugged into a backpanel connector without cabling 9 9 LW drives Terminator power You can configure terminator power from the drive to the SCSI bus or have the host adaptor or other device supply terminator power to the external terminator See Section 8 1 for illustrations that show how to place jumpers for this configuration LC drives These drives cannot furnish terminator power because no conductors in the 80 pin I O connector are devoted to terminator power Cheetah 10K 7 SCSI Product Manual Rev C 83 9 10 Disc drive SCSI timing Table 21 Disc drive SCSI timing Thes
111. recoverable seek errors Sense Key 04h are classified as drive failures 5 2 Reliability and service You can enhance the reliability of Cheetah 10K 7 SCSI disc drives by ensuring that the drive receives ade quate cooling Section 6 0 provides temperature measurements and other information that may be used to enhance the service life of the drive Section 8 3 provides recommended air flow information 5 2 1 Annualized Failure Rate AFR The production disc drive shall achieve an AFR of 0 62 when operated in an environment that ensures the HDA case temperatures specified in Section 6 4 are not exceeded Short term excursions up to the specifica tion limits of the operating environment will not affect AFR performance Continual or sustained operation at case temperatures above the values shown in Section 6 4 1 may degrade product reliability Estimated power on operation hours means power up hours per disc drive times the total number of disc drives in service Each disc drive shall have accumulated at least nine months of operation Data shall be cal culated on a rolling average base for a minimum period of six months AFR is based on the following assumptions 8 760 power on hours per year 250 average on off cycles per year Operations at nominal voltages Systems will provide adequate cooling to ensure the case temperatures specified in Section 6 4 1 are not exceeded Drive failure means any stoppage or substandard perform
112. rmatted rounded off values Read write heads 8 4 2 Bytes track 556 556 556 Kbytes average rounded off values Bytes surface 50 5 50 5 50 5 Gbytes unformatted rounded off values Tracks surface total 90 774 90 774 90 774 Tracks user accessible Tracks inch 105 000 105 000 105 000 TPI Peak bits inch 658 658 658 KBPI Internal data rate 470 944 470 944 470 944 Mbits sec variable with zone Disc rotational speed 10 000 10 000 10 000 r min Average rotational latency 3 00 3 00 3 00 msec 4 2 SCSI performance characteristics visible to user The values given in Section 4 2 1 apply to all models of the Cheetah 10K 7 SCSI family unless otherwise spec ified Refer to Section 9 10 and to the SCSI Interface Product Manual for additional timing details Cheetah 10K 7 SCSI Product Manual Rev C 11 4 2 1 Access time 4 Not including controller overhead without disconnect 1 ST3300007 data shown Drive level Read Write msec Average Typical 2 4 7 5 3 Single Track Typical 2 0 2 0 5 Full Stroke Typical 2 9 5 10 3 4 2 2 Format command execution time minutes 1 ST3300007 ST3146707 Maximum with verify 200 100 Maximum no verify 100 50 4 2 3 Generalized performance characteristics Minimum sector interleave 1 1 ST373207 50 25 Data buffer transfer rate to from disc media one 512 byte sector ST3300007 ST3146707 Minimum 59 59 Maximum 118 118 Sustainable disc transfer rate ST3300007 ST3146707 Minimum
113. s 9 7 1 1 General cable characteristics To minimize discontinuities and signal reflections cables of different impedances should not be used in the same bus Implementations may require trade offs in shielding effectiveness cable length the number of loads transfer rates and cost to achieve satisfactory system operation If shielded and unshielded cables are mixed within the same SCSI bus the effect of impedance mismatch must be carefully considered Proper impedance matching is especially important in order to maintain adequate margin at fast SCSI transfer rates 9 7 1 2 Single ended drivers receivers The maximum total cable length allowed with drives using single ended I O driver and receiver circuits depends on several factors Table 18 lists the maximum lengths allowed for different configurations of drive usage These values are from the SPI documents All device I O lines must have equal to or less than 25 pf capacitance to ground measured at the beginning of the stub Table 18 Cable characteristics for single ended circuits maximum length Transmission line impedance Maximum number of between SCSI S E transfer rate devices on the bus terminators REQ ACK Other signals lt 10M transfers s Fast 10 16 wide SCSI bus 3 meters 9 8 ft 90 6 Ohms 90 10 Ohms lt 20M transfers s Fast 20 4 wide SCSI bus 3 meters 9 8 ft 90 6 Ohms 90 10 Ohms lt 20M transfers s Fast 20 8 wide SCSI bus 1
114. s at a maximum duration of 0 5 msec half sinewave does not exhibit device damage or performance degradation Shock may be applied in the X Y or Z axis d Packaged Disc drives shipped as loose load not palletized general freight will be packaged to withstand drops from heights as defined below For additional details refer to Seagate specifications 30190 001 under 100 Ibs 45 kg or 30191 001 over 100 Ibs 45 Kg Package size Packaged product weight Drop height lt 600 cu in lt 9 800 cu cm Any 60 in 1524 mm 600 1800 cu in 9 800 19 700 cu cm 0 20 Ib 0 to 9 1 kg 48 in 1219 mm gt 1800 cu in gt 19 700 cu cm 0 20 Ib 0 to 9 1 kg 42 in 1067 mm gt 600 cu in gt 9 800 cu cm 20 40 Ib 9 1 to 18 1 kg 36 in 914 mm Drives packaged in single or multipacks with a gross weight of 20 pounds 8 95 kg or less by Seagate for general freight shipment shall withstand a drop test from 48 inches 1 070 mm against a concrete floor or equivalent Cheetah 10K 7 SCSI Product Manual Rev C 35 Figure 15 Recommended mounting Cheetah 10K 7 SCSI Product Manual Rev C 6 4 4 2 Vibration a Operating normal The drive as installed for normal operation shall comply with the complete specified performance while subjected to continuous vibration not exceeding 5 500 Hz 1 0 G zero to peak Vibration may be applied in the X Y or Z axis Operating normal translational random flat profile 10 400 Hz 0 5 GRMS b Oper
115. s or comments 24 hours daily and exchange messages with a technical support specialist during normal business hours for the call center in your region Cheetah 10K 7 SCSI Product Manual Rev C 87 Customer Service Operations Warranty Service Seagate offers worldwide customer support for Seagate drives Seagate distributors OEMs and other direct customers should contact their Seagate Customer Service Operations CSO representative for warranty related issues Resellers or end users of drive products should contact their place of purchase or one of the Seagate CSO warranty centers for assistance Have your drive s ST model number and serial number avail able Data Recovery Services Seagate offers data recovery services for all formats and all brands of storage media Our Data Recovery Ser vices labs are currently located in North America To get a free quick quote or speak with a case management representative call 1 800 475 0143 Additional information including an online request form and data loss pre vention resources is available at www datarecovery seagate com Authorized Service Centers In some locations outside the US you can contact an Authorized Service Center for service USA Canada Latin America support services Seagate Service Centers Presales Support Call center Americas Technical Support Call center Americas Toll free 1 877 271 3285 Toll free 1 800 SEAGATE Customer Service Operations
116. se values only those that are changeable Originally they are installed from saved or default values after a power on reset hard reset or Bus Device Reset message Changeable values form a bit mask stored in nonvolatile memory that dictates which of the current values and saved values can be changed by a Mode Select command A one allows a change to a corresponding bit a zero allows no change For example in Table 7 refer to Mode page 01 in the row entitled CHG These are hex numbers representing the changeable values for mode page 01 Note that bytes 04 05 06 and 07 are not changeable because those fields are all zeros If some changeable code had a hex value EF that equates to the binary pattern 1110 1111 If there is a zero in any bit position in the field it means that bit is not changeable Bits 7 6 5 3 2 1 and 0 are changeable because those bits are all ones Bit 4 is not changeable Though the drive always reports non zero values in bytes 00 and 01 those particular bytes are never change able The Changeable values list can only be changed by downloading new firmware into the flash EPROM On standard OEM drives the Saved values are taken from the default values list and stored into the saved val ues storage location on the media prior to shipping When a drive is powered up it takes saved values from the media and stores them to the current values stor age in volatile memory It is not possible to c
117. servo 8 EMC compliance 4 EMI requirements 3 environmental control 37 environmental limits 34 environmental requirements 17 EPROM 59 error 17 error management system 43 errorrate 17 error recovery 41 ETF defect list 41 European Union requirements 4 EVPD bit 58 execution time 13 extended messages 54 F FCC rules and regulations 3 firmware 59 flat ribbon cable 80 flaw reallocation 13 format 57 format command 12 format time 13 formatting 45 front panel 38 front panel LED 80 G GMR heads 7 gradient 34 ground return 27 grounding 51 H hard reset 59 HDA 7 51 heat removal 50 host 15 41 49 57 67 71 host adapter 45 adapter initiator 71 host backplane wiring 67 host eguipment 51 68 69 DC power 69 host I O signal 45 host system 45 Cheetah 10K 7 SCSI Product Manual Rev C host system malfunction 17 host drive operational interface 17 hot plug 8 18 humidity 34 I O connector 67 identified defect 41 idle condition 31 32 33 Input characteristics 81 inquiry command 58 inquiry vital product data 58 installation 45 installation guide 10 installation instructions 45 instantaneous current peak 26 interface cable length 71 interface data 12 interface requirements 53 interface timing 17 internal datarate 11 J J1 auxiliary 45 jumper 10 45 48 49 80 jumper function description 49 jumper header 48 jumper plug type 45 L landing zone 8 LB 14 LED 86 logical 13
118. story Counter for each attribute Should the counter continually be incremented such that it reaches the predictive threshold a predictive failure is signaled 5 2 5 Thermal monitor Cheetah 10K 7 SCSI drives implement a temperature warning system which 1 Signals the host if the temperature exceeds a value which would threaten the drive 2 Signals the host if the temperature exceeds a user specified value 3 Saves a S M A R T data frame on the drive which exceed the threatening temperature value A temperature sensor monitors the drive temperature and issues a warning over the interface when the tem perature exceeds a set threshold The temperature is measured at power up and then at ten minute intervals after power up 20 Cheetah 10K 7 SCSI Product Manual Rev C The thermal monitor system generates a warning code of 01 0B01 when the temperature exceeds the speci fied limit in compliance with the SCSI standard The drive temperature is reported in the FRU code field of mode sense data You can use this information to determine if the warning is due to the temperature exceeding the drive threatening temperature or the user specified temperature This feature is controlled by the Enable Warning EWasc bit and the reporting mechanism is controlled by the Method of Reporting Informational Exceptions field MRIE on the Informational Exceptions Control IEC mode page 1Ch The current algorithm implements two temperature trip points T
119. t 5V J1 J5 Pin 1 Pin 1A J1 DC Power J O 3P 2P 1P PCB SEN HB ODO J1 DC Power J5 Pin 1P Pin 1A J1 Pin 1 68 Pin SCSI I O Connector Figure 22 LW model drive physical interface 68 pin J1 SCSI I O connector Figure 23 LC model drive physical interface 80 pin J1 SCSI I O connector 66 Cheetah 10K 7 SCSI Product Manual Rev C 9 6 2 SCSI interface physical description Cheetah 10K 7 SCSI drives support the physical interface requirements of the Ultra320 SCSI Parallel Inter face 4 SPI 4 and operate compatibly at the interface with devices that support earlier SCSI 2 and SCSI 3 standards It should be noted that this is only true if the systems engineering has been correctly done and if earlier SCSI 2 and SCSI 3 devices respond in an acceptable manner per applicable SCSI Standards to reject newer Ultra320 protocol extensions that they don t support The drives documented in this manual support single ended and low voltage differential physical interconnects hereafter referred to as SE and LVD respectively as described in the corresponding ANSI SPI document ref erenced in the preceeding paragraph These drives implement driver and receiver circuits that can operate either SE or LVD However they cannot switch dynamically between SE and LVD operation The drives typically operate on a bus with other SCSI d
120. ted via a cable to a host 80 pin I O connector is not recommended Table 13 shows the interface transfer rates supported by the various drive models defined in this manual Cheetah 10K 7 SCSI Product Manual Rev C 67 Table 13 Interface transfer rates supported Maximum transfer rate Interface type Fast 20 Fast 40 Fast 80 Fast 160 drive models Asynchronous Fast 5 Fast 10 Ultra Ultra2 Ultra160 Ultra320 SE ST3300007LW LC yes yes yes yes no no no ST3146707LW LC ST373207LW LC LVD ST3300007LW LC yes yes yes yes yes yes yes ST3146707LW LC ST373207LW LC 9 6 3 SCSI interface cable reguirements The characteristics of cables used to connect parallel interface drives are discussed in the ANSI standards ref erenced in this section 9 6 3 1 Cable reguirements The characteristics of cables used to connect Ultra320 SCSI parallel interface devices are discussed in detail in Section 6 of ANSI Standard T10 1365D Rev 3 The cable characteristics that must be considered when interconnecting the drives described in this manual in a Ultra320 SCSI parallel daisy chain interconnected system are characteristic impedance see T10 1365D Sections 6 3 3 and 6 3 4 propagation delay see T10 1365D Sections 6 3 6 and 6 3 7 stub length see T10 1365D Section 6 9 device spacing see T10 1365D Section 6 9 To minimize discontinuances and signal reflections cables of different impedances shou
121. that are supported by the drive OEM standard drives are shipped set to operate in Ultra320 mode Table 5 Commands supported by Cheetah 10K 7 SCSI family drive Command name Command code Supported Change Definition 40h Compare 39h Copy 18h Copy and Verify 3Ah Format Unit 1 04h DPRY bit supported DCRT bit supported STPF bit supported IP bit supported DSP bit supported IMMED bit supported VS vendor specific Inquiry 12h Date Code page C1h Device Behavior page C3h Firmware Numbers page COh Implemented Operating Def page 81h Jumper Settings page C2h Supported Vital Product Data page 00h Unit Serial Number page 80h Lock unlock cache 36h Log Select 4Ch PCR bit 4 lt lt 2 lt P3 lt lt 1 PI PI Pa lt PI pa lt lt lt 2 lt 2 2 2 DU bit 54 Cheetah 10K 7 SCSI Product Manual Rev C Table 5 Commands supported by Cheetah 10K 7 SCSI family drive Continued Command name Command code Supported DS bit TSD bit ETC bit TMC bit LP bit Log Sense 4Dh Application Client Log page OFh Buffer Over run Under run page 01h Cache Statistics page 37h Factory Log page 3Eh Last n Deferred Errors or Asynchronous Events page OBh Last n Error Events page 07h Non medium Error page 06h Pages Supported list 00h Rea
122. tion relating to the physical and electrical characteristics of the Cheetah 10K 7 SCSI drive 6 1 AC power requirements None 6 2 DC power requirements The voltage and current requirements for a single drive are shown in the following tables Values indicated apply at the drive power connector The table shows current values in Amperes Table 2 DC power requirements ST3300007 Notes SE mode LVD mode Voltage 45V 412V 45V 412V Regulation 5 15 15 2 15 15 2 Average idle current DC X 1 7 0 54 0 62 0 54 0 62 Maximum starting current peak DC DC 30 3 0 77 1 91 0 77 1 91 peak AC AC 30 3 1 16 3 71 1 16 3 88 Delayed motor start max DC 1 4 0 52 0 06 0 53 0 06 Peak operating current _ X 1 6 0 69 1 07 0 68 1 09 Maximum DC 30 1 0 70 1 08 0 69 1 10 Maximum peak DC 30 1 62 2 74 1 62 2 76 Cheetah 10K 7 SCSI Product Manual Rev C 25 ST3146707 Notes SE mode LVD mode Voltage 45 V 412 V 45 V 412 V Regulation 5 15 15 2 15 5 2 Average idle current DC X 1 7 0 54 0 42 0 54 0 42 Maximum starting current peak DC DC 36 3 0 77 1 89 0 76 1 89 peak AC AC 30 3 1 09 3 66 1 06 3 83 Delayed motor start max DC 3e 1 4 0 54 0 06 0 54 0 06 Peak operating current P X 1 6 0 60 0 81 0 61 0 83 Maximum DC 30 1 0 62 0 83 0 63 0 85 Maximum peak DC 30 1 52 2 50 1 44 2 48 ST373207 Notes SE mode LVD mode
123. total operations for a given attribute The interval defines the number of operations over which to mea sure the rate The counter that keeps track of the current number of operations is referred to as the Interval Counter S M A R T measures error rate hence for each attribute the occurrence of an error is recorded A counter keeps track of the number of errors for the current interval This counter is referred to as the Failure Counter Error rate is simply the number of errors per set of operations The algorithm that S M A R T uses to record rates of error is to set thresholds for the number of errors and the interval If the number of errors exceeds the threshold before the interval expires then the error rate is considered to be unacceptable If the number of errors does not exceed the threshold before the interval expires then the error rate is considered to be accept able In either case the interval and failure counters are reset and the process starts over Predictive failures S M A R T signals predictive failures when the drive is performing unacceptably for a period of time The firm ware keeps a running count of the number of times the error rate for each attribute is unacceptable To accom plish this a counter is incremented whenever the error rate is unacceptable and decremented not to exceed zero whenever the error rate is acceptable This counter is referred to as the Failure History Counter There is a separate Failure Hi
124. ts for the requested read data but goes directly to the medium to retrieve it The retrieved data merely passes through some buffer seg ment on the way to the host On a cache miss all data transfers to the host are in accordance with buffer full ratio rules On a cache hit the drive ignores the buffer full ratio rules See explanations associated with Mode page 02h disconnect reconnect control in the SCS Interface Product Manual The following is a simplified description of a read operation with cache operation enabled Case A A Read command is received and the first logical block LB is already in cache 1 Drive transfers to the initiator the first LB requested plus all subsequent contiguous LBs that are already in the cache This data may be in multiple segments 2 When the requested LB is reached that is not in any cache segment the drive fetches it and any remaining requested LBs from the disc and puts them in a segment of the cache The drive transfers the remaining requested LBs from the cache to the host in accordance with the disconnect reconnect specification men tioned above 3 Ifthe prefetch feature is enabled refer to Section 4 5 2 for operation from this point Case B A Read command requests data the first LB of which is not in any segment of the cache 1 The drive fetches the requested LBs from the disc and transfers them into a segment and from there to the host in accordance with the disconnect reconnect speci
125. unters an error during either of these tests it reports a fault condition If the drive fails the test remove it from service and return it to Seagate for service Cheetah 10K 7 SCSI Product Manual Rev C 21 5 2 6 1 DST Failure Definition The drive will present a diagnostic failed condition through the self tests results value of the diagnostic log page if a functional failure is encountered during DST The channel and servo parameters are not modified to test the drive more stringently and the number of retries are not reduced All retries and recovery processes are enabled during the test If data is recoverable no failure condition will be reported regardless of the number of retries required to recover the data The following conditions are considered DST failure conditions Seek error after retries are exhausted Track follow error after retries are exhausted Read error after retries are exhausted Write error after retries are exhausted Recovered errors will not be reported as diagnostic failures 5 2 6 2 Implementation This section provides all of the information necessary to implement the DST function on this drive 5 2 6 2 1 State of the drive prior to testing The drive must be in a ready state before issuing the Send Diagnostic command There are multiple reasons why a drive may not be ready some of which are valid conditions and not errors For example a drive may be in process of doing a format or anoth
126. up certain operating options This is usually done by installing small shorting jumpers on the pins of connectors J2 and J6 on the PCBA or J5 Auxiliary on the LW model or via the drive to host I O signals on the LC model Some users connect cables to J6 or J5 Auxiliary and perform the set up using remote switches Configure drive options For option jumper locations and definitions refer to Figures 18 19 and 20 Drive default mode parameters are not normally needed for installation Refer to Section 9 3 2 for default mode parameters if they are needed Ensure that the SCSI ID of the drive is not the same as the host adapter Most host adapters use SCSI ID 7 because ID 7 is the highest priority on both 8 and 16 bit data buses f multiple devices are on the bus set the drive SCSI ID to one that is not presently used by other devices on the bus Ifthe drive is the only device on the bus attach it to the end of the SCSI bus cable The user system integra tor or host equipment manufacturer must provide external terminators Note For additional information about terminator requirements refer to Sections 9 8 and 9 9 Set all appropriate option jumpers for desired operation prior to power on If jumpers are changed after power has been applied recycle the drive power to make the new settings effective Installation instructions are provided by host system documentation or with any additionally purchased drive installation software
127. vertent writing during power up and down Daisy chain operation requires that power be supplied to the SCSI bus terminator to ensure proper termination of the peripheral I O cables To automatically delay motor start based on the target ID SCSI ID enable the Delay Motor Start option and disable the Enable Motor Start option on the J2 connector on LW mod els or on the backplane for LC models See Section 8 1 for pin selection information To delay the motor until the drive receives a Start Unit command enable the Enable Remote Motor Start option on the J2 connector on LW models or on the backplane for LC models 6 2 3 12 V Current profile Figure 2 4 and 6 identify the drive 12 V current profiles and figures 3 5 and 7 identify the drive 5 V current profiles The current during the various times is as shown TO Power is applied to the drive T1 Controller self tests are performed T2 Spindle begins to accelerate under current limiting after performing drive internal diagnostics See Note 1 of Table 2 T3 The spindle is up to speed and the head arm restraint is unlocked T4 The adaptive servo calibration sequence is performed T5 Calibration is complete and drive is ready for reading and writing Note All times and currents are typical See Table 2 for maximum current requirements Cheetah 10K 7 SCSI Product Manual Rev C 27 Amps DB kan oo 15 Lee des nara 8 10 12 14 16 18 20 Seconds Figure 2

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