Seagate 1680 Computer Drive User Manual
Contents
1. Word Description Contents Minimum multiword DMA transfer cycle time 65 per word 120 nsec 00784 Recommended multiword DMA transfer cycle time per word 180 nsec OOTAN Minimum PIO cycle time without IORDY flow Gi control 363 nsec 916BH Minimum PIO cycle time with IORDY flow Be control 120 nsec gaga 69 127 ATA reserved 0000H 128 159 Seagate reserved XXXXH 160 255 ATA reserved 0000H Note The following DMA mode settings are used in word 63 of the ldentify Drive command Word 63 63 63 63 63 63 Bit gt O N O Description if bit is set to 1 Multiword DMA mode 0 available Multiword DMA mode 1 available Multiword DMA mode 2 available Multiword DMA mode 0 currently active Multiword DMA mode 1 currently active Multiword DMA mode 2 currently active 32 Marathon 2250 and Marathon 1680 Product Manual 3 2 3 Set Features command This command controls the implementation of various features that the drive supports When the drive receives this command it sets BSY checks the contents of the Features register clears BSY and generates an interrupt If the value in the register does not represent a feature that the drive supports the command is aborted Power on default has the read look ahead and write caching features enabled and 4 bytes of ECC The acceptable values for the Features register are defined as follows 01H 02H 03H 04H 33H 44H 54H 55H 66H 77H 81H 82H 84H 882. Note If an appropriate code is not written to the Features Register the command will be aborted and 0x04 abort will be written to the Error register Marathon 2250 and Marathon 1680 Product Manual 35 3 2 5 Drive Security commands The drive security commands provide a password based security sys tem to prevent unauthorized access to a disc drive During manufacturing the master password SEAGATE is set for the drive and the lock function is disabled The system manufacturer or dealer may set a new master password using the Security Set Password command F1H without enabling the lock function Before a user password is entered the drive rejects all security commands except Security Set Password When the user sets a password the drive automatically enters lock mode lock mode is enabled the next time it is powered on When lock mode is enabled the drive rejects all media access commands until the user enters the correct user password completing a Security Unlock command The drive supports two levels of security high security and maximum security In high security mode if you forget your password you can still access the data by entering the master password In maximum security mode if you forget your password you cannot access the data However in maximum security mode you can erase all data on the drive and reinitialize the drive using the Erase Unit command F4H You must enter the master password to com
3. 2 2 Jumper settings 2 2 1 Master slave configuration You must establish a master slave relationship between two drives that are attached to a single AT bus You can configure a drive to become a master or slave by setting the master slave jumpers as described below and shown in Figure 2 on page 18 Alternatively you can configure the drive as a master or slave using the cable select option This requires a special daisy chain cable that grounds pin 28 CSEL on one of its two drive connectors If you attach the drive to the grounded CSEL connector it becomes a master If you attach the drive to the ungrounded CSEL connector it becomes a slave To use this option the host system and both drives must support cable select and both drives must be configured for cable select To configure Marathon drives for cable select install both master slave jumpers For the host to recognize the slave drive using the DASP signal the slave drive must assert the DASP signal at power up and the master drive must monitor DASP at power up 18 Marathon 2250 and Marathon 1680 Product Manual Note Drive is shown with circuit board up Master slave configuration jumpers Pin 20 removed for keying Circuit board Drive is master slave may be detected using DASP signal ee sf Drive is master Seagate slave drive present jojo lo Drive is slave Seagate master drive
4. implementation Command name ae Marathon 2290 and Marathon 1680 ATA standard commands Execute Drive Diagnostics 90H Yes Format Track 50H Yes Identify Drive ECH Yes Initialize Drive Parameters 91H Yes NOP 00H No Read Buffer E4H Yes Read DMA w retry C8H Yes Read DMA no retry C9H Yes Read Long w retry 22H Yes Read Long no retry 23H Yes Read Multiple C4H Yes Read Sectors w retry 20H Yes Read Sectors no retry 21H Yes Read Verify Sectors w retry 40H Yes Read Verify Sectors no retry 41H Yes Recalibrate 10H Yes Seek 70H Yes Set Features EFH Yes Set Multiple Mode C6H Yes continued on following page 28 Marathon 2250 and Marathon 1680 Product Manual continued from previous page Command name oe Marathon 2290 and Marathon 1680 Execute S M A R T Command BOH Yes Write Buffer E8H Yes Write DMA w retry CAH Yes Write DMA no retry CBH Yes Write Long w retry 32H Yes Write Long no retry 33H Yes Write Multiple C5H Yes Write Same E9H No Write Sectors w retry 30H Yes Write Sectors no retry 31H Yes Write Verify 3CH No Drive Security Commands Security Set Password F1H Yes Security Unlock F2H Yes Security Erase Prepare F3H Yes Security Erase Unit F4H Yes Security Freeze Lock F5H Yes Security Disable Password F6H Yes ATA standard power management commands C
5. 1 000 ft to 40 000 ft 1 8 5 Shock For shock specifications it is assumed that the drive is mounted securely with the input levels at the drive mounting screws For nonoperating specifications it is assumed that the read write heads are positioned in the shipping zone Marathon 2250 and Marathon 1680 Product Manual 13 Note At power down the read write heads automatically move to the shipping zone The head and slider assembly park inside of the maximum data cylinder When power is applied the heads re calibrate to Track 0 1 8 5 1 Operating shock The Marathon 2250 and the Marathon 1680 incorporate SafeRite shock protection and can withstand a maximum operating shock of 125 Gs without nonrecoverable data errors based on half sine shock pulses of 2 msec 1 8 5 2 Nonoperating shock The nonoperating shock level that the Marathon 2250 and Marathon 1680 can tolerate without incurring physical damage or degradation in performance is 350 Gs based on half sine shock pulses of 2 msec duration or 150 Gs based on half sine shock pulses of 11 msec duration Shock pulses are defined by MIL STD 202 F with the ampli tude tolerance controlled to 5 1 8 6 Vibration For vibration specifications it is assumed that the drive is mounted in an approved orientation with the input levels at the drive mounting screws For the nonoperating specifications it is assumed that the read write heads are positioned in the shipping zone 1 8
6. 6 1 Operating vibration The following table lists the maximum vibration levels that the drive may experience without incurring physical damage data loss or performance degradation 5 22 Hz 0 02 inch displacement peak to peak 22 400 Hz 0 75 Gs acceleration 0 to peak 400 22 Hz 0 75 Gs acceleration 0 to peak 22 5 Hz 0 02 inch displacement peak to peak 14 Marathon 2250 and Marathon 1680 Product Manual 1 8 6 2 Nonoperating vibration The following table lists the maximum nonoperating vibration that the drive may experience without incurring physical damage or degradation in performance 5 22 Hz 0 2 inch displacement peak to peak 22 400 Hz 4 Gs acceleration 0 to peak 400 22 Hz 4 Gs acceleration 0 to peak 22 5 Hz 0 2 inch displacement peak to peak 1 9 Drive acoustics Drive acoustics are measured as sound power using techniques that are generally consistent with ISO document 7779 Measurements are taken under essentially free field conditions over a reflecting plane using a total of nine microphones that measure in the 250 4 000 Hz band This method ology determines broad band and narrow band noise and discrete fre quency components For all tests the drive is oriented with the cover facing upward Mode Typical Maximum Idle sound power bels 3 5 3 8 Seek sound power bels 3 8 4 1 Idle sound pressure dBA 24 28 Seek sound pressure dBA 26 30 1 10 Reliability Nonrecoverable read errors 1 per 10 bits
7. life years 5 Marathon 2250 and Marathon 1680 Product Manual Marathon 2250 and Marathon 1680 Product Manual 5 1 0 Drive specifications Unless otherwise noted all specifications are measured under ambient conditions at 40 C at sea level and nominal power 1 1 Formatted capacity Marathon 2250 Marathon 1680 Guaranteed Kbytes 2 250 209 1 680 634 Guaranteed sectors LBA mode 4 394 940 3 282 490 Bytes per sector 512 512 Note DOS systems are not able to access more than 528 Mbytes unless 1 the host system supports and is configured for LBA addressing or for extended CHS addressing or 2 the host system contains a specialized drive controller or 3 the host system runs BIOS trans lation software In addition older BIOSs cannot address more than 2 1 Gbytes more than 4 096 cylinders on a single partition If you encounter this problem with the ST92255AG divide the drive into two partitions or upgrade your BIOS Please contact your Seagate representative for additional information 1 1 1 Default logical geometry CHS Mode Marathon 2250 Marathon 1680 Sectors per track 63 63 Read write heads 16 16 Cylinders 4 360 3 256 LBA Mode When addressing either drive in LBA mode all blocks sectors are consecutively numbered from 0 to n 1 1 1 2 Supported CHS translation geometries The Marathon 2250 supports any translation geometry that satisfies all of the following conditions e Sectors per track lt 6
8. on to ready sec typical 3 5 Standby to ready sec typical 2 Spinup current peak 1 3 amps Read Write power and current typical 2 5 watts 0 5 amps Seek power and current typical 2 5 watts 0 5 amps ldle mode power and current typical 1 2 watts 0 24 amps Standby mode power and current typical 0 3 watts 0 06 amps Sleep mode power and current typical 0 1 watts 0 02 amps Voltage tolerance including noise Ambient temperature C 5 volts 5 5 to 55 op 40 to 70 nonop Temperature gradient C per hour max 30 Relative humidity operating 8 to 80 10 per hour max grad Wet bulb temperature C max 29 4 op 40 nonop Altitude meters above mean sea level max 300 to 3 040 op 300 to 12 190 nonop Shock operating Gs max 125 2 msec Shock nonoperating Gs max 2 msec 350 Vibration Gs max at 5 400 Hz 0 75 op without physical damage or loss of data 4 0 nonop Drive acoustics bels sound power Idle mode dBA sound pressure 5 typical 3 8 max 4 typical 28 max Drive acoustics bels sound power 8 typical 4 1 max ee IZ Seek mode dBA sound pressure pai typical 30 max Nonrecoverable read errors 1 per 1013 bits read Mean time between failures 300 000 power on hours Contact start stop cycles 50 000 40 C ambient humidity Service
9. puter manufacturer or system integrator should confirm EMC compliance and provide CE marking for their products 1 11 3 FCC verification These drives are intended to be contained solely within a personal computer or similar enclosure not attached as an external device As such each drive is considered to be a subassembly even when it is sold individually to the customer As a subassembly no Federal Communi cations Commission verification or certification of the device is required Seagate Technology Inc has tested this device in enclosures as de scribed above to ensure that the total assembly enclosure disc drive motherboard power supply etc complies with the limits for a Class B computing device pursuant to Subpart J Part 15 of the FCC rules Operation with noncertified assemblies is likely to result in interference with radio and television reception Radio and Television Interference This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the manufacturer s instructions may cause interference with radio and television reception 16 Marathon 2250 and Marathon 1680 Product Manual This equipment is designed to provide reasonable protection against such interference in a residential installation However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference with radio or television receptio
10. 0 removed 20 No Pin 21 ft DMARQ 21 DMA Request 22 Ground 22 Ground 23 fe DIOW 23 Host I O Write 24 ra Ground 24 Ground 25 DIOR 25 Host I O Read 26 fee Ground 26 Ground 27 IORDY 27 I O Channel Ready 28 CSEL 28 Cable Select pin 29 ft DMACK 29 DMA Acknowledge 30 Ground 30 Ground 31 H INTRQ 31 Host Interrupt Request 32 10CS16 32 Host 16 Bit I O 33 DAI 33 Host Address Bus Bit 1 34 PDIAG 34 Passed Diagnostics 35 k DAO 35 Host Address Bus Bit 0 36 DA2 36 Host Address Bus Bit 2 37 lt CS1FX 37 Host Chip Select 0 38 lt CS3FX 38 Host Chip Select 1 39 DASP 39 Drive Active Slave Present 40 Ground 40 Ground 41 Power 41 5 volts DC logic 42 Power 42 5 volts DC motor 43 Ground 43 Ground for power pins 44 Reserved 44 Reserved Pins 28 34 and 39 are used for master slave communication details shown below Drive 1 slave Drive O master Host 28 28 CSEL 28 34 34 PDIAG 34 39 39 DASP gt 39 Figure 6 I O pins and supported ATA signals Marathon 2250 and Marathon 1680 Product Manual 27 3 2 ATA Interface commands 3 2 1 Supported ATA commands The following table lists supported ATA standard and Seagate specific drive commands For a detailed description of the ATA commands refer to the Draft Proposed ATA 3 Standard See Section 3 2 4 on page 33 for details and subcommands used in the S M A R T
11. 3 e Read write heads lt 16 e Sectors per track x read write heads x cylinders lt 4 394 880 6 Marathon 2250 and Marathon 1680 Product Manual The Marathon 1680 supports any translation geometry that satisfies all of the following conditions e Sectors per track lt 63 e Read write heads lt 16 e Sectors per track x read write heads x cylinders lt 3 282 048 1 2 Physical organization Marathon 2250 Marathon 1680 Read Write heads 10 8 Discs 5 4 1 3 Recording and interface technology Interface ATA Recording method 8 9 Recording density bits inch 120 000 Track density tracks inch 5 555 Areal density Mbits inch 666 Spindle speed RPM 4 508 0 5 Internal data transfer rate 60 8 Mbits per sec max ZBR I O data transfer rate 16 6 PIO mode 4 with IORDY Mbytes per sec max 16 6 multiword DMA mode 2 Interleave 1 1 Cache buffer Kbytes 103 Marathon 2250 and Marathon 1680 Product Manual 7 1 4 Physical characteristics Marathon 2250 Marathon 1680 Maximum height inches 0 676 0 676 mm 17 2 17 2 Maximum width inches 2 76 2 76 mm 70 1 70 1 Maximum length inches 3 955 3 955 mm 100 45 100 45 Typical weight ounces 7 19 7 05 grams 204 200 Note Maximum length excludes I O connector pins that may extend up to 0 015 inches beyond the edge of the head disc assembly per SFF 8004 specification 1 5 Seek time All seek times are measured using a 25 MH
12. H Obsolete Enable write cache default Set transfer mode based on value in Sector Count register Sector Count register values 00H 01H 08H 09H OAH OBH OCH 10H 11H 12H 20H 21H 22H Set PIO mode to default PIO mode 2 enable IORDY Set PIO mode to default PIO mode 2 disable IORDY PIO Mode 0 PIO Mode 1 PIO Mode 2 default PIO Mode 3 PIO Mode 4 Obsolete Obsolete Obsolete Multiword DMA Mode 0 Multiword DMA Mode 1 Multiword DMA Mode 2 Enable auto read reassignment default Not implemented Sixteen bytes of ECC apply on read long and write long commands Not implemented Disable read look ahead read cache feature Disable reverting to power on defaults Not implemented Obsolete Disable write cache Not implemented Not implemented Marathon 2250 and Marathon 1680 Product Manual 33 99H 9AH AAH ABH BBH CCH Not implemented Not implemented Enable read look ahead read cache feature default Not implemented 4 bytes of ECC apply on read long and write long commands default Enable reverting to power on defaults default At power on or after a hardware reset the default values of the features are as indicated above A software reset also changes the features to default values unless a 66H command has been received 34 Marathon 2250 and Marathon 1680 Product Manual 3 2 4 S M A R T commands Self Monitoring Analysis and Reporting Technology S M A R T is an emergin
13. Idle Varies Rotating Enabled Standby Parked Stopped Enabled Sleep Parked Stopped Disabled Active mode The drive is in Active mode during the read write and seek operations Idle mode At power on the drive sets the Idle Timer to enter Idle mode after 5 seconds of inactivity The drive remains in Idle mode with heads flying over the media for 15 minutes then the drive makes the transition to Active mode and seeks to the last known logical block address where it remains for 5 minutes The drive then seeks to a new unspecified location two more times for 5 minutes each after which it makes the transition to Standby mode In Idle mode the spindle remains up to speed the buffer remains enabled and the drive accepts all commands and returns to Active mode whenever a disc access command is re ceived The drive enters Idle mode when an Idle or Idle Immediate command is received The Idle or Idle Immediate command overrides the algorithm described above The drive remains in Idle mode until a disc access command is received or the standby timer expires whichever occurs first Marathon 2250 and Marathon 1680 Product Manual 11 When the standby timer expires the drive makes the transition to the Standby mode The drive requires approximately 100 200 msec to return to Active mode from Idle mode Standby mode The drive enters Standby mode when the host sends a Standby or Standby Immediate command If the standby command has set the stan
14. SY Seagate 1997 Seagate Technology Inc All rights reserved Publication Number 36337 101 Rev B March 1997 Seagate Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology Inc Marathon and SafeRite are trademarks of Seagate Technology Other product names are registered 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 from Seagate Technology Inc Marathon 2250 and Marathon 1680 Product Manual iii Contents Introduction 0 2 te Ge BOL ele Be ae ae BS 1 Specification summary table 2 1 0 Drive specifications 06 5 1 1 Formatted capacity 0 5 1 1 1 Default logical geometry 5 1 1 2 Supported CHS translation geometries 5 1 2 Physical organization 0 6 1 3 Recording andinterface technology 6 1 4 Physical characteristics 7 1 5 Seek im hi had a ro He Rae A a l 7 1 6 Starttimes Aa 8 1 7 Power specifications 8 1 7 1 Power consumption o 8 1 7 2 Power recovery o 9 1 7 3 Conducted noise 4 9 1 7 4 Voltage tolerance 0 o 10 1 7 5 Power management modes 10 1 8 Environmental tolerances 12 1 8 1 Ambi
15. Technology AT Attach ment 3 Interface ATA 3 subsequently referred to as the Draft Proposed ATA 3 Standard 3 1 1 AT bus signal levels Signals that the drive sends have the following output characteristics at the drive connector Logic Low 0 0V to 0 4V Logic High 2 5V to 5 25V Signals that the drive receives must have the following input charac teristics measured at the drive connector Logic Low 0 0V to 0 8V Logic High 2 0V to 5 25V 26 Marathon 2250 and Marathon 1680 Product Manual Drive pin Signal name Host pin and signal description 1ft Reset 1 Host Reset 2 Ground 2 Ground 3 k DD7 3 _ Host Data Bus Bit 7 4 k _ DD8 gt 4 Host Data Bus Bit 8 5 k DD6 5 Host Data Bus Bit 6 6 k DD9 6 Host Data Bus Bit 9 7le DD5 5 7 Host Data Bus Bit 5 8 k DD10 gt 8 Host Data Bus Bit 10 9 k DD4 39 Host Data Bus Bit 4 10fq DD11 10 Host Data Bus Bit 11 title DD3 11 Host Data Bus Bit 3 12 qt DD12 12 Host Data Bus Bit 12 13 ly DD2 13 Host Data Bus Bit 2 14 DD13 3 14 Host Data Bus Bit 13 15 DD1 15 Host Data Bus Bit 1 16 DD14 gt 16 Host Data Bus Bit 14 17 _ DDO 17 Host Data Bus Bit 0 18 DD15 gt 18 Host Data Bus Bit 15 19 Ground 19 Ground 2
16. adequate clearance for the master slave configuration jumpers if the application requires the use of such jumpers The ATA interface cable should be no more than 18 inches long Note Per SFF 8004 specifications the I O connector pins may extend up to 0 015 inches beyond the edge of the head disc assembly Master slave jumpers 000000000000000000000 LI 00000000000 poo0000000 1 654 42 01 0 158 0 003 4 00 0 08 gt lt Dimensions are in inches mm Figure 5 ATA Interface connector dimensions non SFF dimension for reference only 24 Marathon 2250 and Marathon 1680 Product Manual Marathon 2250 and Marathon 1680 Product Manual 25 3 0 ATA Attachment 3 Interface ATA 3 The drives in this manual comply with the ATA 3 Standard proposed by the X3T10 committee a Technical Committee of Accredited Standards Committee X3 of the American National Standards Institute ANSI The X3T10 committee has been renamed to X3T13 to reflect its current standards work For more information about the committee and the standards see the committee s Internet FTP site ftp fission dt wdc com pub standards X3T13T 3 1 ATA interface signals and connector pins Figure 6 on page 26 summarizes the signals on the ATA interface connector that the drive supports For a detailed description of these signals refer to the Working Draft of the Proposed American National Standard X3T10 2008D Revision 6 Information
17. dby timer the drive enters Standby mode automatically after the drive has been inactive for the specified length of time In Standby mode the buffer remains enabled the heads are parked and the spindle is at rest The drive accepts all commands and returns to Active mode any time a disc access command is received The drive requires approximately 3 seconds to return to Active mode from Standby mode Sleep mode The drive enters Sleep mode only after receiving a Sleep command from the host The heads are parked and the spindle is at rest The ROM and RAM codes are valid however the cache is flushed before going to sleep The drive leaves Sleep mode when either a Hard Reset interface signal or a Soft Reset signal Device Control register 04 is received from the host After receiving a Soft Reset the drive exits Sleep mode and enters Standby mode with all current emulation and transla tion parameters intact After receiving a Hard Reset signal the drive exits Sleep mode and enters Active mode The drive is reinitialized to the default parameters This is the same procedure as initial power on and requires approximately 7 seconds to complete Idle and standby timers The drive sets the default time delay for the idle timer at power on to 5 seconds If the idle timer reaches zero before any drive activity is required the drive makes a transition to Idle mode Each time the drive performs an Active function read write or seek the idle and sta
18. drive conforms to the industry standard SFF 8200 mounting specifications and requires the use of SFF 8200 compatible connectors in direct mounting applications See Figures 3 and 4 on pages 20 and 21 for drive mounting dimensions Note Per SFF 8004 specifications the I O connector pins may extend up to 0 015 inches beyond the edge of the head disc assembly Caution This drive needs sufficient airflow so that the maximum surface temperature at the center of the top cover of the drive does not exceed 62 C 144 F Caution To avoid damaging the drive use M3X0 5 metric mounting screws only Do not insert mounting screws more than 0 150 inches 3 81 mm into the mounting holes Do not over tighten the screws maximum torque 3 inch Ib 20 Marathon 2250 and Marathon 1680 Product Manual E TET A39 S1 to tips of I O connector pins A6 A1 A2 A3 to end of HDA ka kag A25 mig A24 A21 A22 A26 thread 4PLC min A38 full thread center within A27 of position specified gt aag A31 gt A3O 1 A28 y X y NG ki av A4 A5 width at A29 aunt A32 thread 4PLC holes min A41 full thread center within A33 of position specified Nd 1 x ly Figure 3 Drive mounting dimensions side and bottom view for dimension specifications see table on pages 21 and 22 Marathon 2250 and Marathon 1680 Product Manual 21 Pi
19. drive s power can be interrupted without adversely affecting the drive or previously written data If power is removed while the drive is performing a write operation the integrity of the data being written cannot be guaranteed Note Do not remove power from the drive while the interface signals are ac tive at low impedance because power may enter the input buffers 1 7 3 Conducted noise The drive is expected to operate with a maximum of e 150 mV peak to peak triangular wave injected noise at the power connector The frequency is 10 Hz to 100 KHz with equivalent resistive loads 10 Marathon 2250 and Marathon 1680 Product Manual e 100 mV peak to peak triangular wave injected noise at the power connector The frequency is 100 KHz to 10 MHz with equivalent resistive loads Note Equivalent resistance 9 26 ohms is calculated by dividing the nominal voltage 5V by the typical RMS read write current 0 54 amps 1 7 4 Voltage tolerance Voltage tolerance including noise 5 volts 5 1 7 5 Power management modes Seagate s Marathon drives provide programmable power management to enhance battery life and to provide greater energy efficiency In most computers you can control power management through the system setup program These drives feature several power management modes which are summarized in the following table and are described in more detail below Mode Heads Spindle Buffer Active Moving Rotating Enabled
20. ent temperature 12 1 8 2 Temperature gradient 12 1 8 3 Humidiy o o e E a 12 1 8 4 Altitude 0 e a 12 1 90 SHOCK 122 Fi eee AAA a 12 1 8 6 Vibration Lucia a Ok Re ok LA LA A e 13 1 9 Drive acoustics 0 e 14 1 140 Reliability i ir uye is e A e Ba 14 1 11 Agency certification 0 15 1 11 1 Safety certification 15 iv Marathon 2250 and Marathon 1680 Product Manual 1 11 2 Electromagnetic Compatibility 15 1 11 38 FCC verification o o 15 2 0 Drive mounting and configuration 17 2 1 Handling and static discharge precautions 17 2 2 Jumper settings o e 17 2 2 1 Master slave configuration 17 2 3 Remote LED configuration 19 2 4 Drive mounting 00002 ee eee 19 2 5 ATA interface connector 4 23 3 0 ATA Attachment 3 Interface ATA 3 25 3 1 ATA interface signals and connector pins 25 3 1 1 AT bus signal levels 25 3 2 ATA Interface commands o 27 3 2 1 Supported ATAcommands 27 3 2 2 Identify Drive command 29 3 2 3 Set Features command 32 3 2 4 S M A R T commands o 34 3 2 5 Drive Security commands 35 Appendix Compatibil
21. g technology that provides near term failure prediction for disc drives When S M A R T is enabled the Seagate drive monitors prede termined drive attributes that are susceptible to degradation over time If self monitoring determines that a failure is likely S M A R T makes a status report available so that the host can prompt the user to back up data on the drive Notall failures are predictable S M A R T predictability is limited to only those attributes the drive can monitor For more information on S M A R T commands and implementation see the Working Draft of the Proposed American National Standard X3T10 2008D Revision 6 Information Technology AT Attachment 3 Interface ATA 3 This drive is shipped with S M A R T features disabled You must have a recent BIOS or software package that supports S M A R T to enable the feature The table below shows the S M A R T command codes that these drives use Before executing a S M A R T command by writing BOH to the Command Register the host must do the following e Write the value 4FH to the Cylinder_Low register e Write the value C2H to the Cylinder High register e Write the appropriate S M A R T code to the Features register as shown in the table below Code in Supported by Features Marathon 2250 and Register S M A R T Command Marathon 1680 D8H Enable S M A R T Operations Yes D9H Disable S M A R T Operations Yes DAH Return S M A R T Status Yes
22. ge Mounting dimension specifications Dim Description inches mm A16 Allowable range side to side pins within connector 0 003 0 08 A17 Pin top to bottom dimension 0 020 0 50 A18 and tolerance on pin top to bottom dimension 0 002 0 05 A19 Allowable range top to bottom connector location 0 020 0 50 A20 Allowable range top to bottom pins in connector 0 003 0 08 A21 Connector pin length 0 152 3 86 A22 and tolerance on pin length 0 008 0 20 A23 Side mounting hole height 0 118 3 00 A24 Front to back location of side mounting holes 0 551 14 0 A25 Front to back distance between side mounting 3 016 76 6 holes A26 Thread description side mounting holes n a M3 A27 Diam of cylinder into which hole center must fall 0 020 0 50 A28 Distance between side of drive and center of 0 160 4 06 nearest bottom mounting holes on pin 44 side A29 Side to side distance between bottom mounting 2 430 61 72 holes A30 Front to back location of bottom mounting holes 0 551 14 0 A31 Front to back distance between bottom mounting 3 016 76 6 holes A32 Thread description bottom mounting holes n a M3 A33 Diam of cylinder into which hole center must fall 0 020 0 50 A34 Min vertical clearance for mating connector 0 039 1 00 A35 Max side to side distance from pin 44 edge of 0 315 8 00 HDA near l O connector to start of clearance fo
23. heck Power Mode 98H or E5H Yes Idle 97H or E3H Yes Idle Immediate 95H or E1H Yes Sleep 99H or E6H Yes Standby 96H or E2H Yes Standby Immediate 94H or EOH Yes Marathon 2250 and Marathon 1680 Product Manual 29 The following commands contain drive specific features that may not be described in the Draft Proposed ATA 3 Standard 3 2 2 Identify Drive command The Identify Drive command command code ECH transfers information about the drive to the host following power up The data is organized as a single 512 byte block of data the contents of which are shown in the table below All reserved bits or words should be set to zero Parameters listed with an x are drive specific or vary with the state of the drive See Section 1 of this manual for default parameter settings for the Marathon 2250 and the Marathon 1680 Word Description Contents Configuration information 0 Bit 6 fixed drive 0940 1108H Number of fixed cylinders default logical ST92255AG 1 emulation 4 360 ST92255AG 0CB8H 3 256 ST91685AG ST91685AG 2 ATA reserved 0000H 3 ABS of heads default logical emulation 00104 ATA obsolete 0000H ATA obsolete 0000H Number of sectors per track 8 default logical emulation 63 003FH 7 9 Not used by this drive 0000H Serial number TOSIA 20 ASCII characters 0000H none Aso 20 ATA obsolete 0000H 21 ATA obsolete 0000H 22 Number of ECC bytes availab
24. ity Notes 37 Marathon 2250 and Marathon 1680 Product Manual V Figures Figure 1 Typical startup and operation current profile 9 Figure 2 Connector and master slave jumper setup 18 Figure 3 Drive mounting dimensions side and bottom view 20 Figure 4 Drive mounting dimensions end view 21 Figure 5 ATA Interface connector dimensions 23 Figure 6 I O pins and supported ATA signals 26 vi Marathon 2250 and Marathon 1680 Product Manual Marathon 2250 and Marathon 1680 Product Manual 1 Introduction The Marathon 2250 ST92255AG and Marathon 1680 ST91685AG provide very high storage capacity in a small 17 mm hard disc drive Key Features e Low power consumption e Compact SFF 8200 compatible form factor e High rotational speed for fast internal data transfer e Quiet operation e SafeRite shock protection e Support for PIO modes 0 1 2 3 and 4 as well as single word and multiword DMA modes 0 1 and 2 e High instantaneous burst data transfer rates up to 16 6 Mbytes per second using PIO mode 4 and DMA mode 2 e 103 Kbyte adaptive multisegmented cache e Fast caching and on the fly error correction algorithms e Fast microprocessor for low command overhead e Support for S M A R T drive monitoring and reporting e Support for drive password security e Support for Read Write Multiple commands e Support for autodetectio
25. le 16 0010H Firmware revision 8 ASCII character string 23 26 xx ROM version ss RAM version xx ss tt tt RAM version continued on following page 30 Marathon 2250 and Marathon 1680 Product Manual continued from previous page and 4 supported Word Description Contents 27_46 Drive model number 40 ASCII characters ST92255AG or padded with blanks to end of string BIS nS 47 Maximum sectors per interrupt on read write 0010H multiple 48 Double word I O not supported 0000H Standby timer values supported per ATA 49 standard IORDY supported IORDY can 2C00H be disabled 50 ATA reserved 0000H 51 PIO data transfer cycle timing mode 0200H 52 DMA transfer cycle timing mode not used 0000H Validity of words 54 58 and words 64 70 ae words may be valid 0008H Number of cylinders s current emulation mode IRR 55 Number of heads Soi current emulation mode Number of sectors per track ag current emulation mode O 57 58 Number of sectors current emulation mode XXXXH Number of sectors transferred during a Read 59 Multiple or Write Multiple command KANG ST92255AG OFBC 0043H 60 61 LBA sectors available ST91685AG 017FC 0032H 62 JATA obsolete 0000H 63 Multiword DMA active modes supported 0x074 see note following 64 Advanced PIO modes supported modes 3 0003H Marathon 2250 and Marathon 1680 Product Manual 31
26. n which can be determined by turning the equipment on and off try one or more of the following corrective measures e Reorient the receiving antenna e Move the device to one side or the other of the radio or TV e Move the device farther away from the radio or TV e Plug the computer into a different outlet so that the receiver and computer are on different branch outlets If necessary you should consult your dealer or an experienced radio or television technician for additional suggestions You may find the follow ing booklet from the Federal Communications Commission helpful How to Identify and Resolve Radio Television Interference Problems This booklet is available from the Superintendent of Documents U S Gov ernment Printing Office Washington DC 20402 Refer to publication number 004 000 00345 4 Marathon 2250 and Marathon 1680 Product Manual 17 2 0 Drive mounting and configuration 2 1 Handling and static discharge precautions After unpacking but before installation the drive may be exposed to potential handling and ESD hazards You must observe standard static discharge precautions A grounded wrist strap is recommended Handle the drive only by the sides of the head disc assembly Avoid contact with the printed circuit board all electronic components and the interface connector Do not apply pressure to the top cover Always rest the drive on a padded antistatic surface until you mount it in the host system
27. n 20 removed Pin 1 Pin 44 for keying i KO A34 i Z Nga AR A J eas 4 lt A36 Al E A2 A3 x A13 A190 z x A15 z x A16 0 Figure 4 Drive mounting dimensions end view for dimension specifications see table below Mounting dimension specifications Dim Description inches mm A1 Drive height 0 668 16 97 A2 tolerance on drive height 0 008 0 20 A3 tolerance on drive height 0 008 0 20 A4 Drive width at mounting holes 2 750 69 85 A5 and tolerance on drive width at mounting holes 0 009 0 23 A6 Maximum drive length not including I O pins 3 955 100 45 A7 Front to back connector location 0 403 10 2 A8 Allowable range front to back connector location 0 039 1 00 A9 Top to bottom connector location pin center line 0 157 3 99 A10 Side to side connector location pin center line 0 399 10 14 A10 1 and tolerance side to side connector location 0 015 0 38 A11 Top to bottom pin spacing 0 079 2 00 A12 Side to side pin spacing 0 079 2 00 A13 Pin side to side dimension 0 020 0 50 A14 and tolerance on pin side to side dimension 0 002 0 05 A15 Allowable range side to side connector location 0 030 0 75 continued on following page 22 Marathon 2250 and Marathon 1680 Product Manual continued from previous pa
28. n of master slave drives using cable select CSEL and DASP signals 2 Marathon 2250 and Marathon 1680 Product Manual Specification summary table The specifications listed in this table are for quick reference For details ona specification measurement or definition see the appropriate section of this manual Drive Specification ser te si Guaranteed Mbytes 1 Mbyte 1 08 bytes 2 250 1 680 Guaranteed sectors LBA mode 4 394 940 3 282 490 Bytes per sector 512 Default sectors per track 63 63 Default read write heads 16 16 Default cylinders 4 360 3 256 Physical read write heads 10 8 Discs 5 4 Recording density bits inch max 120 000 Track density tracks inch 5 555 Areal density Mbits inch 666 Spindle speed RPM 4 508 Internal data transfer rate Mbits sec max 60 8 I O data transfer rate Mbytes sec max 16 6 ATA data transfer modes supported PIO modes 0 1 2 3 4 and multiword DMA modes 0 1 2 Cache buffer Kbytes 103 Height mm max 17 2 Width mm max 70 1 Length mm max 100 45 Weight grams typical Track to track seek time msec typical 204 200 4 read 5 write Average seek time msec typical 12 read 14 write Full stroke seek time msec max 26 read 28 write Average latency msec 6 65 Marathon 2250 and Marathon 1680 Product Manual Drive Specification aps Paa Power
29. ndby timers are reinitialized and begin counting down from their specified delay times to zero If the standby timer has been set and no additional drive activity occurs the drive remains in Idle mode for the time specified in the standby timer then enters Standby mode If the host has not set the standby timer and no additional drive activity occurs the drive remains in Idle mode for 30 minutes then enters standby mode In both Idle and Standby mode the drive accepts all commands and returns to Active mode when disc access is necessary 12 Marathon 2250 and Marathon 1680 Product Manual 1 8 Environmental tolerances 1 8 1 Ambient temperature Operating 5 to 55 C 41 to 131 F Nonoperating 40 to 70 C 40 to 158 F Caution This drive needs sufficient airflow so that the maximum surface temperature at the center of the top cover of the drive does not exceed 62 degrees C 144 degrees F 1 8 2 Temperature gradient Operating 30 C hr 86 F hr max without condensation Nonoperating 30 C hr 86 F hr max without condensation 1 8 3 Humidity 1 8 3 1 Relative humidity Operating 8 to 80 noncondensing 10 per hour max Storage 8 to 90 noncondensing 10 per hour max Transit 5 to 95 noncondensing 10 per hour max 1 8 3 2 Wet bulb temperature Operating 29 4 C 85 F max Nonoperating 40 C 104 F max 1 8 4 Altitude Operating 300 m to 3 040 m 1 000 ft to 10 000 ft Nonoperating 300 m to 12 190 m
30. operation and the drive in default logical geometry Seeking power and currents are measured during one third stroke buffered seeks Read write power and current are measured with the heads on track based on a 16 sector write followed by a 32 msec delay then a 16 sector read followed by a 32 msec delay Spinup power is measured from time of power on to time of drive ready for normal operation The average peak represents peak power that is drawn from the battery Watts Amps Mode at nominal voltage at nominal voltage Typical Max Typical Max Spinup Peak see Figure 1 1 3 Average 4 0 0 8 Active Read Write 2 5 2 6 0 5 0 52 Seeking 2 5 2 6 0 5 0 52 Idle 1 2 1 3 0 24 0 26 Standby 0 3 0 36 0 06 0 072 Sleep 0 1 0 1 0 02 0 02 Marathon 2250 and Marathon 1680 Product Manual 9 Current mA 1 400 al Drive ready 1 000 pload code Idle Sia Standby m ER ee 600 400 Spinup 200 0 0 1 2 3 4 5 5 6 A Time seconds Figure 1 Typical startup and operation current profile 1 7 1 1 Typical current profile Figure 1 shows a projected drive startup and operation current profile for the Marathon 2250 and the Marathon 1680 Note The peaks in Figure 1 are the result of inductive kickback from the commutation of the spindle motor and therefore do not draw power from the battery 1 7 2 Power recovery Except during execution of a write command or writing cached data the
31. plete an Erase Unit command The Freeze Lock command F5H prevents you from changing security features If during normal drive operation the Freeze Lock command is executed all normal drive commands are implemented but the security commands Disable Password Erase Unit Set Password and Unlock cannot be completed See the ATA 3 specification Document X3T10 2008D for additional details about the Drive Security Commands 36 Marathon 2250 and Marathon 1680 Product Manual Marathon 2250 and Marathon 1680 Product Manual 37 Appendix Compatibility notes ECC testing When a Marathon 2250 or Marathon 1680 performs hardware based ECC error correction on the fly the drive does not report an ECC error This allows ECC correction without degrading drive performance Some older drive diagnostic programs test ECC features by creating small data errors and then checking to see if they are reported Such tests when run on these drives may incorrectly report an ECC detection failure because the drive hardware corrects the data automatically avoiding the error rather than reporting it Such a report does not indicate a drive malfunction SS Seagate Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 USA Publication Number 36337 101 Rev B Printed in USA
32. present Use CSEL pin grounding to differentiate master from slave Figure 2 Connector and master slave jumper setup Jumper Jumper for pins for pins AandB CandD Configuration Off Off Drive is master slave drive may be detected using DASP signal CSEL is ignored Off On Drive is master slave drive is present CSEL is ignored DASP is ignored On Off Drive is slave a master drive should be present also CSEL is ignored On On Differentiate master and slave drives using cable select If a drive is attached to a connector in which pin 28 is grounded then it becomes a master If a drive is attached to a connector in which pin 28 is ungrounded then it becomes a slave Marathon 2250 and Marathon 1680 Product Manual 19 2 3 Remote LED configuration The drive indicates activity to the host through the DASP line pin 39 on the ATA interface This line may be connected to a drive status indicator driving an LED at 5V The line has a 30 mA nominal current limit however most external LEDs are sufficiently bright at 15 mA Because the LED drops 1 7 volts we recommend that you place a 200 ohm resistor in series with the LED to limit the current to 15 mA 2 4 Drive mounting You can mount the drive in any orientation using four screws in the four side mounting or four bottom mounting holes Allow a minimum clear ance of 0 030 inches 0 76 mm for cooling around the entire perimeter of the drive The
33. r mating connector A36 Min side to side clearance from pin 44 edge of 2 370 60 20 I O connector to any object interrupting clearance of mating connector A37 Diam of datum targets and reference areas 0 315 8 00 A38 Min thread depth side mounting holes 0 118 13 00 A39 Min pin centerline to chamfer above connector 0 049 1 25 A40 Min chamfer above connector 0 010 0 25 A41 Min thread depth bottom mounting holes 0 098 2 50 S1 Maximum drive length to tips of I O pins 3 970 100 84 Non SFF dimension for reference only Marathon 2250 and Marathon 1680 Product Manual 23 2 5 ATA interface connector The drive connector is a 44 conductor connector with 2 rows of 22 male pins on 0 079 inch 2 mm centers see Figure 4 on page 21 and Figure 5 The mating cable connector is a 44 conductor nonshielded connector with 2 rows of 22 female contacts on 0 079 inch 2 mm centers The connectors should provide strain relief and should be keyed with a plug in place of pin 20 These drives are designed to support the industry standard SFF 8200 mounting specifications When installing these drives in fixed mounting applications use only SFF compatible connectors such as Molex part number 87368 442x For applications that involve flexible cables or printed circuit cables PCCs use Molex part number 87259 4413 or equivalent to connect the drive to the system Select a connector that provides
34. read Mean time between failures 300 000 power on hours MTBF nominal power at sea level and 40 ambient temperature Contact start stop cycles 50 000 cycles CSS at nominal voltage and 40 C with 60 cycles per hour and a 50 duty cycle Preventive maintenance None required Service life 5 years Marathon 2250 and Marathon 1680 Product Manual 15 1 11 Agency certification 1 11 1 Safety certification The drive is recognized in accordance with UL 1950 and CSA C22 2 950 M89 and meets all applicable sections of IEC 380 IEC 435 IEC 950 VDE 0806 08 81 and EN 60950 as tested by TUV Rheinland North America 1 11 2 Electromagnetic Compatibility Hard drives that display the CE marking comply with European Union requirements specified in Electromagnetic Compatibility Directive 89 336 EEC as amended by Directive 92 31 EEC of 28 April 1992 and Directive 93 68 EEC of 22 July 1993 Seagate uses an independent laboratory to confirm compliance with the EC directives specified in the previous paragraph Drives are tested in representative end user systems using 80486 Pentium and PowerPC microprocessors Although CE marked Seagate drives comply with the directives when used in the test systems we cannot guarantee that all systems will comply with the directives The drive is designed for opera tion inside a properly designed enclosure with properly shielded I O cable if necessary and terminators on all unused I O ports The com
35. z 486 AT computer or faster with a 8 3 MHz I O bus The measurements are taken with nominal power at sea level and 40 C ambient temperature The specifications in the table below are defined as follows e Track to track seek time is an average of all possible single track seeks in both directions e Average seek time is a true statistical random average of at least 5 000 measurements of seeks between random tracks less overhead e Full stroke seek time is one half the time needed to seek from the first data cylinder to the maximum data cylinder and back to the first data cylinder The full stroke typical value is determined by averaging 100 full stroke seeks in both directions Seek type Typical read Typical write msec msec Track to track 4 5 Average 12 14 Full stroke 26 28 Average latency 6 65 msec 8 Marathon 2250 and Marathon 1680 Product Manual 1 6 Start times Power on to Ready sec 3 5 typical 7 max Standby to Ready sec 2 typical 3 max Idle to Ready sec 0 4 max 1 7 Power specifications The drive receives DC power 5V through pin 41 and pin 42 of the AT interface connector 1 7 1 Power consumption Power requirements for the drive are listed in the table below Typical power measurements are based on an average of drives tested under nominal conditions using 5 0V input voltage at 40 C ambient temperature at sea level Active mode current and power are measured with a 32 msec delay between each
Download Pdf Manuals
Related Search