Micron User Guide - Blue Chip Technology
Contents
1. Blue Chip Technology MICRON PC 104 format Single Board PC User Manual Document Reference MICRON Manual Document Issue Level 1 3 Manual covers PCBs with the following Issue 2 x where x is any alphanumeric Blue Chip Technology Ltd Chowley Oak Tattenhall Chester CH3 9EX U K Telephone 44 0 1829 772000 Facsimile 44 0 1829 772001 www bluechiptechnology co uk MICRON SINGLE BOARD COMPUTER CONTENTS CONTENTS CONTENT S cata 2 INTRODUCTION DURE ee it samene Ae ne PT aE a aaa a aa S 4 A a 4 RS carcasas 4 LMNATONS CETRO A Naana 4 RELATED PUBLICATIONS coi atada 5 TRADEMARKS cuco 5 PRESSUTIONS nu M Miller denasiscneee dcr dieianes drones an cit 6 PARA SGC DA LEE A E 6 CR RBG sue de sang eds chbda vas chdaadancesie E E A suolnneasentetageesaecasaeauaees 6 BIOS CMOS RAM I OT 6 lectromasnente Compani DUUY A A 6 O ias 8 MANUAL ORGANISATION Loops do 8 OVERVIEW ona and e 8 BOARD LEVEL FEATURES couonorarrntaca ae es dati 10 a TS 10 OS ta il ao ao E UN EE UT CS 11 UE EA O OS 11 TES E PAE Irae Rs 11 EE EPR aca den 11 A E 11 General TARDE TEA A ui ti di eaten 11 SPECIFICGATI N iaa 12 BOARD LAYOUT ieee a a a a a a a ia 13 fop Sw Re af me POD dived es di bic 13 OMR me POR dll en EREE 14 a a he 15 MOUNTING AAA RER DS MA RIRE AE RE M hee 15 OLI ss dias 16 O 16 O E AN 17 ou aa naa 18 BIOS SE TIMES ent AA AU a ee Aa 18 Ml A em er a ee ARR RNA RIRE 18 LOADING OPERATING SYSTE2. EEPROM Address 0x31 contains x n regs x dx and similarly in Quick Basic Read EEPROM Data via interrupt 50 call Sinclude QB BI DIM INARYS 7 OUTARYS 7 CONST AX 0 BX 1 CX 2 DX 3 BP 4 SI 5 DI 6 FL INARY AX amp H0400 Read e2 data INARYS BX amp H31 address amp H31 CALL INT860LD amp H50 INARYS OUTARYS Call the Int50h service PRINT EEPROM ADDRESS amp H31 CONTAINS OUTARY DX Note that only the functions listed in the sections above are valid On return the contents of register AH may contain a value indicating the status AH 00h Function successful Carry flag cleared AH Olh Function invalid Carry flag set AH 02h Function valid but disabled Carry flag set AH 03h Function failed Carry flag set Blue Chip Technology Limited Page 21 MICRON SINGLE BOARD COMPUTER USING THE BOARD MAINTENANCE The only regular maintenance required is to ensure that the cooling airflow remains unrestricted Generally the enclosure design and the wiring layout will ensure that the cooling is stable However bear in mind that any air filters may become clogged thereby reducing the cooling After a period of time it may be necessary to replace the on board battery if it cannot maintain the CMOS memory REPLACING THE ON BOARD BATTERY Before attempting to replace the battery please read the precautions detailed in the introductory
3. 8 Blue Chip Technology Limited Page 15 MICRON SINGLE BOARD COMPUTER INSTALLATION COOLING Efficient cooling is essential for long and reliable operation of any electronic equipment The CPU and the Trident CyberBlade 17 IC commonly termed the North Bridge do get hot in normal operation and in an elevated ambient temperature will require additional cooling Cooling requirements will vary with application desired operating temperature CPU load memory size and board orientation Mounting the PCB vertically will aid natural convection and create a chimney effect Passive heatsinks are available for the CPU and the Trident CyberBlade 17 IC In addition a 5 Volt fan connector is provided on the board edge A fan whilst not always desirable will provide a high degree of cooling even for a relatively slow airflow Further options that may be considered are sinking heat to the chassis or enclosure and in extreme situations the use of a heatpipe A thermistor is available to monitor the temperature of the two hottest devices on the board A connector is also provided for the user to connect a second thermistor The thermistor should be a Negative Temperature Coefficient type of nominally 10K resistance at 25 C with a 8 3988 Software to monitor the thermistor is available for download on the Via website see the section Loading Operating Systems and Drivers When designing an enclosure bear in mind that the greater the volume of a
4. Mask O input 1 output Perform INT 50h Return Registers Carry Flag is clear and AH 00 if successful Carry flag is set and AH 02 if not enabled in BIOS setup Write User IO Lines Calling Registers AH 16 hex DL bits 2 0 IO Line data Perform INT 50h Return Registers Carry Flag is clear and AH 00 if successful Carry flag is set and AH 02 if not enabled in BIOS setup Read User IO Lines Calling Registers AH 15 hex Perform INT 50h Return Registers DL bits 2 0 IO Line data bits 7 3 0 Carry Flag is clear and AH 00 if successful Carry flag is set and AH 02 if not enabled in BIOS setup Please note that the pins driving the User EEPROM are shared with the general purpose I O lines It is therefore not possible to use both functions simultaneously Blue Chip Technology Limited Page 20 MICRON SINGLE BOARD COMPUTER USING THE BOARD ACCESSING SOFTWARE INT 50H FUNCTIONS Most high level languages allow access to software interrupts through a particular function call The user loads a particular function code into the AH register followed by a specific set of parameters in the other registers before executing the interrupt For example in C include lt stdio h gt include lt dos h gt define MICRON 0x50 void main void union REGS regs regs x ax 0x0400 read eeprom data regs x bx 0x31 from address 0x31 int86 MICRON amp regs amp regs printf
5. PC 104Plus connectors e Dual floppy interface e PCI UDMA IDE interface for two devices e EPP ECP bi directional parallel interface e PCI 100 10 base T Ethernet LAN controller e Dual USB ports e Stereo sound SoundBlaster compatible available e Dual RS232 serial ports IRDA port setup option on the second serial port e Real time clock with on board battery e PS 2 mouse and keyboard controller e Plug in ATA Flash module e Drive for 2 ISA and 4 PCI modules e Four General Purpose I O signals e 128byte user EEPROM available e Watchdog facility CPU The MICRON single board PC comes with Pentium class Rise Technology iDragon mP6 Processors running at 2 0 3 3Volts On board voltage regulator circuits provide the required voltages for the processor from the incoming 5 volt power supply This device gives a high performance power ratio The processor maintains full backward compatibility with the 8086 80286 i386 and Intel486 processors It supports both read and write burst mode bus cycles and includes separate on chip code and data caches which employ a write back policy Also integrated into the processor is an advanced numeric co processor which significantly increases the speed of floating point operations whilst maintaining backward compatibility with Intel486 math co processor and complying with ANSI IEEE standard 754 1985 Blue Chip Technology Limited Page 10 MICRON SINGLE BOARD COMPUTER USER GUI
6. environment ITE Class A product Blue Chip Technology Limited Page 6 MICRON SINGLE BOARD COMPUTER INTRODUCTION e The board must be installed in a computer system chassis that provides screening suitable for an industrial environment e Any recommendations made by the computer system manufacturer supplier must be complied with regarding earthing and the installation of boards e Any metal back plate must be securely screwed to the chassis of the computer to ensure good metal to metal i e earth contact e Connector bodies must be securely connected to the enclosure e The external cabling to boards causes most EMC problems It is imperative that any external cabling to the board is totally screened and that the screen of the cable connects to the metal end bracket of the board or the enclosure and hence to earth It is recommended that round screened cables with a braided wire screen are used in preference to those with a foil screen and drain wire Use metal connector shells that connect around the full circumference of the cable screen they are far superior to those that earth the screen by a simple pig tail e The keyboard and mouse will play an important part in the compatibility of the processor card since they are ports into the board Similarly they will affect the compatibility of the complete system Fully compatible peripherals must be used otherwise the complete system could be degraded They may radiate or behave
7. ne tn en dt ne 29 PUA OAPs ORDRE dd a 30 MICRON VO PEER ER mumunahenbianbausieuenbhanpiensindiianeles 31 PRICE A A elec do cl 31 EA AAA A tes denetae reel tes IA iia 31 E N A EEE TENEN EOE NOE AE EES TEELE EEEE Ai EENE TEN EEE A ET 31 EE raaa a a n na n na a aa 31 MICRON CONNEC D toxsnandurrdteisnaniamiaiendieasuidiedmandinamidioniimndiencnmubionanengionaientieiaignenes 32 Mata NO DER OMA EL A A 33 TE A MOUDE ideas 34 A PR ER Te US 34 CD ROM Malio BOAT oaeen ened ede A ig eles dead deel cael 34 TETERA cichse dh anchanas a a aaa aa Ea a Aa A shea E Ea Aa AAA E AEA Aaa EAA AEA E AAEE Aa EEA EAE AEA SAA EAA 35 A EE A a a AEEA E AE a a EE A E EE EAA A ess EA ENEAS 35 PE TSE BED LA A E E E E E EE 35 Audio Microphone pia asiain oae e E EA Ea E EE EE a E Ea e Ea Eiaa EES 35 AAR a E 35 A O 35 STANDARD CONNECTORS ici da cid 36 AMENDMENT HIS ORY AAA AAA 37 Blue Chip Technology Limited Page 3 MICRON SINGLE BOARD COMPUTER INTRODUCTION INTRODUCTION COMPANY PROFILE Blue Chip Technology is a leading specialist PC product manufacturer in Europe providing innovation with quality design and manufacturing from a single source Based in the North West of England our purpose built complex contains both advanced research and development facilities and manufacturing facilities Specialising in the provision of industrial computing and electronic solutions for a wide range of UK and European organisations Blue Chip Technology has one of the U
8. CRON will also drive up to two external PC 104 four PC 104Plus expansion modules and built in 10 100 base T LAN connection The LAN connection requires an external isolation transformer socket Facilities are provided for connection to an LCD panel if required An optional board the MICRON CONNECT is available to provide standard VGA UTP Keyboard Mouse and USB connections enabling an easy product development route An audio codec is included on the board An optional cable is also available to provide the serial ports parallel port and standard utilities Reset Power switches HD LED speaker and External SMI at standard format connectors A full set of software drivers and utilities are available to allow advanced operating systems such as Windows 9x ME NT and 2000 to take full advantage of all the hardware capabilities Blue Chip Technology Limited Page 8 MICRON SINGLE BOARD COMPUTER USER GUIDE MICRON Processor Board Blue Chip Technology Limited Page 9 MICRON SINGLE BOARD COMPUTER USER GUIDE BOARD LEVEL FEATURES e 200 250 MHz CPU operation equivalent to a Pentium Rating of PR266 366 e 100MHz FSB e 5V only operation Note that LCD panels or plug in PCBs may require 12V supplies e On board 3 3 2 0V CPU voltage regulators e Trident CyberBlade i7 and VIA VT 82686B chipset e One SO DIMM socket for up to 256MByte of PC100 SDRAM e Built in CRT LCD graphics controller e PCI and ISA expansion busses via PC 104 and
9. DE CHIP SET The MICRON board uses the Trident CyberBlade 17 and VIA VT82C686B chipset This is well known and widely used in the general purpose PC marketplace It offers a high level of integration of standard functions and with the latest iteration UDMA 100 gives a high performance solution SYSTEM MEMORY The MICRON single board PC is fitted with one 144 pin 3 3V SDRAM SO DIMM memory socket This supports SO DIMM SDRAM modules up to 256 MB in size The Front Side Bus which is fixed at 100MHz requires PC100 speed memory or faster There are no jumper settings required for the memory size this is automatically detected by the system BIOS through the SPD SMBus Only 14 address lines are available from the chipset for the bank row and column addresses Some 256Mbit technology SO DIMMs require 15 address lines to achieve 256Mbytes and will not be fully addressable ECC memory is not supported BUS EXPANSION FACILITIES The MICRON is designed for use in an embedded application and provides for expansion cards with PC 104 and PC 104Plus stacked connectors This board has to be mounted at the top of a stack This is to allow cable access and because the PC 104Plus connector is not available on the upper side being obstructed by the memory USER EEPROM The EEPROM on the MICRON unit is a NM93C46 serially programmed device It comprises 128 bytes of user programmable memory organised as 64 x 16 bit words The EEPROM doe
10. ECT board provide a translation of the MICRON board connections to industry standard connections Cables are available to connect the MICRON to the MICRON CONNECT board and for breaking out to standard connectors UDMA disks and floppy disks The actual cabling required will vary for each application with some functions not being required Please note that to achieve higher IDE throughput than UDMA33 requires the use of a special 80 conductor IDE cable Using a standard 40 conductor IDE cable will force the interface to work at a lower speed All applications will require a power connection The MICRON board requires only a 5V supply for stand alone operation However other plug in boards or LCDs may require other supplies MICRON provides facilities to route the power through the interconnections to these other items See the Connector Pin Out section for details of the power connections Power wiring should be of an adequate gauge for the PC 104 stack to ensure that the voltage does not fall below the watchdog trip point nominally 4 75V at the watchdog Note that two terminals are provided for each of the 5V and OV connections to reduce the impedance when supplying a stack of cards The current limit per terminal is 6A but it is not envisaged that a PC 104 stack would be constructed requiring so much Blue Chip Technology Limited Page 16 MICRON SINGLE BOARD COMPUTER INSTALLATION current As a rule of thumb it is recommended to keep to b
11. GPIO line 0 8 way 0 1 pin header 8 way 0 1 crimp and shell Pin Signal GPIO Ground GPIO line 1 GPIO Ground GPIO line 2 GPIO Ground GPIO line 3 CD ROM AUDIO INPUT GPIO Ground Pin 8 Pin 7 he Pin 1 TZ View on Connecting Pins P8 Connector Mating Connector CD Right Channel CD Ground CD Left Channel CD Ground Blue Chip Technology Limited JST 2mm 4 way boxed pin header B 4B PH K Tactpro WD 03 2 JST PHR4 amp SPH crimps Pind 0 O View on Connecting Pins Page 34 MICRON SINGLE BOARD COMPUTER MICRON CONNECT ETHERNET CONNECTOR P2 Connector RJ 45 8 pin socket Mating Connector RJ 45 8 pin plug Standard Pin Out VGA CONNECTOR P5 Connector High density 15 pin D type socket Mating Connector High density 15 pin D type plug Standard Pin Out DUAL USB CONNECTOR P6 Connector TACT 402 008 001 102 Mating Connectors Series A USB connector Standard Pin out AUDIO MICROPHONE INPUT P7 Connector 3 5mm Jack socket Mating Connector 3 5mm Jack plug Tip is microphone input AUDIO LINE INPUT P9 Connector 3 5mm Jack socket Mating Connector 3 5mm Jack plug Tip is right channel AUDIO LINE OUTPUT P10 Connector 3 5mm Jack socket Mating Connector 3 5mm Jack plug Tip is right channel Blue Chip Technology Limited Page 35 MICRON SINGLE BOARD COMPUTER STANDARD CONNECTORS
12. K s largest portfolios of industrial PCs peripherals and data acquisition cards This extensive range of products coupled with our experience and expertise enables Blue Chip Technology to offer an industrial processing solution for any application This is one of the products from our portfolio providing you with a cost effective product development and volume production tool A unique customisation and specialised system integration service is also available delivering innovative solutions to customers problems The company s success and reputation in this area has led to a number of large design and manufacturing projects for major companies British Standards Institute approval BS EN 9001 means that all of Blue Chip Technology s design and manufacturing procedures are strictly controlled ensuring the highest levels of quality reliability and performance Blue Chip Technology are committed to the single European market and continue to invest in the latest technology and skills to provide high performance computer and electronic solutions for a world wide customer base COPYRIGHT All rights reserved No part of this publication may be reproduced stored in any retrieval system or transmitted in any form or by any means electronic mechanical photocopied recorded or otherwise without the prior permission in writing from the publisher For permission in the UK please contact Blue Chip Technology Information offered in this manu
13. MS amp DRIVERS iriiria aana as 18 Blue Chip Technology Limited Page 2 MICRON SINGLE BOARD COMPUTER CONTENTS PROGRAMMING THE BOARD cosa datada adas 19 E ED a aE O 19 ERAS FCI icc AN 19 General Purpose VO LES oct a id io eeh pets abet 20 ACCES SOM WANE INT SON PARES a idad 21 MANTE NANCE A ita Seagal 22 Replacing the Om board BERE din nl ln nat id 22 TROUBLESHOOTING GUIDE ociconiniotaic as 23 MICRON CONNECTORS OT i nitne iig 24 POWER CONNECTIONS 000 A a Oe oa hare si ei rs 24 Power Supply npu Terminals dei 24 12V Power Input Terminals for Add on Boards eine Made Nine ie 24 EE CROTON To T Err e e eE RN 24 PE AAA 24 D AT e PP OS 25 CMOS CUUR nn in ond shad sina 5a Sad oh 0b 0h Sak ed A sdk au ed eh A a ad PAPA Aceh a hh 25 LCD Panel Supply Pois ia de olaa iaa qien 25 INPUT OUTPUT CONNECTORS ooo na 26 Combined VGA KeyboarD Mouse Ethernet USB GPIO Audio Connector 26 Combined Serial Ports 1 amp 2 Parallel Port Utilities Connector oommccmmnnnnocncccnnnnanarononncananananacicncananos 27 ES A E 28 Panel Vel DAS AA ciaren a teen chere enr Gb E N AN A a a a ged inne 28 TDA DHE ACE aier AERA ENEE E A E AEON a 29 Fonos Dok PURE a E A E E EE E EN E 29 Fe E D DA 1 Lt sca EE RE RER RE SP RARES aun seen NRE 29 ATA Flash Disk OEE ON TR ST ST RS EE E SOINS Seon ENTIER SR UNIS EESTI 29 Remote Thermistor for Temperature Sense a do ii 29 O o 29 AI e
14. STANDARD CONNECTORS The attached guide is a general reference point for the following standard pin outs Standard Pin Out Blue Chip Technology Limited Page 36 MICRON SINGLE BOARD COMPUTER AMENDMENT HISTORY AMENDMENT HISTORY Issue Level Issue Date Author Amendment Details 13 09 01 First Draft Issue 19 10 01 KDL EGW Released 27 02 02 29 04 02 KDL Up Issued 28 11 02 Micron Connect Iss 2 changes Blue Chip Technology Limited Page 37
15. TOM Possible Cause Action SYMPTOM Possible Cause Action Blue Chip Technology Limited Fail to boot Power supply incorrect Check 5V supply Check that the 5Vstandby terminal is connected Link to 5V if not powered from an ATX 5Vstandby supply CMOS memory corrupt invalid Power off set CMOS clear jumper to Clear then return jumper to operational position CMOS Clear jumper in wrong position Set to operational position NOT Clear Extended System Configuration Data ESCD memory corrupt invalid Use BIOS Setup to clear and re write the ESCD memory Memory not fully seated in socket Remove and refit memory Add in board requires other voltage rails MICRON requires only 5V Check power requirements of expansion board and power supplies Time and Date incorrect loss of CMOS memory contents Flat or displaced battery Power off replace battery ensure correct orientation reset CMOS values No display on monitor Incorrect BIOS setting LCD display selected rather than Monitor or Both Clear CMOS memory reset correct values User EEPROM contents corrupt or inaccessible EEPROM not enabled within BIOS Set up Enable EEPROM within BIOS Incorrect operation of GPIO or inaccessible GPIO not enable within BIOS Set up Enable GPIO in BIOS System crashes during intensive operation or after prolonged use Inadequate cooling allowing CPU chipset to overheat Improve heatsink and or cooling airflow Solid state Disk Unreliable Sol
16. V output is NOT protected FLOPPY DISK HEADER P3 Connector 34 way 0 1 pitch header Mating Connector 34 way 0 1 pitch IDC socket Standard Pin Out PRIMARY IDE HEADER P2 Connector 40 way 0 1 pitch header Mating Connector 40 way 0 1 pitch IDC socket Standard Pin Out ATA FLASH DISK SOCKET IC15 Connector 32 pin 0 1 x 0 6 DIL socket Mating Connector ATA Flash Disk IC Standard Pin Out REMOTE THERMISTOR FOR TEMPERATURE SENSE P20 Connector 2 way 0 1 pin header Mating Connector 2 way 0 1 socket An external NTC thermistor 10 Kohm at 25 C B 3988 may be connected here Pin 2 is OV SODIMM SOCKET P9 Connector JEDEC standard Standard Pin Out PC 104 CONNECTOR P8 Connector 104 pin PC 104 standard plug socket Standard Pin Out Blue Chip Technology Limited Page 29 MICRON SINGLE BOARD COMPUTER MICRON CONNECTORS PC 104PLUS CONNECTOR P10 Connector 120 pin PC 104Plus standard plug Standard Pin Out Blue Chip Technology Limited Page 30 MICRON SINGLE BOARD COMPUTER MICRON I O CABLE MICRON 1 0 CABLE This cable is available as an optional extra It breaks out the cable from the Combined Serial Parallel and Utilities ports to standard connections PARALLEL Connector 25 way D type socket Standard Pin Out SERIAL 1 Connector 9 way D type plug Standard Pin Out SERIAL 2 Connector 9 way D type plug Standard Pin Out UTILITIES Con
17. al is believed to be correct at the time of printing Blue Chip Technology accepts no responsibility for any inaccuracies The information contained herein is subject to change without notice There are no express or implied licences granted herein to any intellectual property rights of Blue Chip Technology Ltd LIMITATIONS OF LIABILITY In no event shall Blue Chip Technology be held liable for any loss expenses or damages of any kind whatsoever whether direct indirect incidental or consequential arising from the design or use of this product or the support materials supplied with this product If this product proves to be defective Blue Chip Technology is only obliged to replace or refund the purchase price at Blue Chip Technology s discretion according to their Terms and Conditions of Sale Blue Chip Technology Limited Page 4 MICRON SINGLE BOARD COMPUTER INTRODUCTION RELATED PUBLICATIONS The following publications will provide useful information related to the Standard Personal Computer and can be used in conjunction with this manual e IBM Personal Computer AT Technical Reference 1502494 IBM 1984 e IBM Personal System 2 and Personal Computer BIOS Interface Technical Reference 15F0306 IBM 1987 e The Programmers PC Sourcebook Microsoft e The Winn L Rosch Hardware Bible Brady TRADEMARKS All trademarks and registered names acknowledged IBM PC AT and PS 2 are trademarks of International Business Machines Corporat
18. as if keys buttons are pressed when subject to interference Under these circumstances it may be beneficial to add a ferrite clamp on the leads as close as possible to the connector A suitable type is the Chomerics type H8FE 1004 AS e USB cables should be high quality screened types e Ensure that the screens of any external cables are bonded to a good RF earth at the remote end of the cable Failure to observe these recommendations may invalidate the EMC compliance Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Blue Chip Technology Limited Page 7 MICRON SINGLE BOARD COMPUTER USER GUIDE USER GUIDE MANUAL ORGANISATION This manual describes in detail the Blue Chip Technology MICRON Single Board processor card We have tried to include as much information as possible but we have not duplicated information that is provided in the standard IBM Technical References unless it proved to be necessary to aid in the understanding of the MICRON The manual is sectioned as follows Overview listing the board s features and specification Layout showing where the various items are located Installation and associated issues Using the board including the peripherals Troubleshooting guide Connector Pin Out details We strongly recommend that you study this manual carefully before attempting to interfa
19. ase place it into the anti static bag in which it came This will prevent any static electricity build up Do not use black anti static bags because these tend to be conductive and will discharge any on board battery ON BOARD BATTERY This applies to boards fitted with a Lithium battery most single board computer boards If the battery is mistreated in any way there is a very real possibility of fire explosion and harm Great care should be taken with this type of battery Under NO circumstances should it be e short circuited e exposed to temperatures in excess of 100 C or burnt e immersed in water e unsoldered e recharged e disassembled Expired batteries remain hazardous and must be disposed of in a safe manner BIOS amp CMOS RAM Please be aware that on single board computer products it is possible to create configurations within the CMOS RAM that make booting impossible If this should happen clear the CMOS settings see the description of the Jumper Settings for details ELECTROMAGNETIC COMPATIBILITY This product meets the requirements of the European EMC Directive 89 336 EEC and is eligible to bear the CE mark It has been assessed operating in a Blue Chip Technology housing However because the board can be installed in a wide variety of chassis certain conditions have to be applied to ensure that the compatibility is maintained Subject to those conditions it meets the requirements for an industrial
20. ce with MICRON or change the standard configurations Whilst all the necessary information is available in this manual we would recommend that unless you are confident you contact your supplier for guidance IT IS PARTICULARLY IMPORTANT THAT YOU READ THE SECTION PRECAUTIONS BEFORE HANDLING THE BOARD If you have any suggestions or find any errors concerning this manual and want to inform us of these please contact our Technical Services department with the relevant details OVERVIEW The Blue Chip Technology MICRON Single Board PC integrates the latest advances in low power processor memory and I O technologies to provide an ideal platform for embedded applications The MICRON complies with the PC 104Plus standard providing ISA and PCI bus interfaces on a single card The board is available with CPU build options operating at 200 and 250MHz The memory interface supports up to 256MB of 3 3V PC100 SDRAM in a standard 144 pin SO DIMM socket The MICRON utilises Trident CyberBlade 17 and VIA VT82C686B chipset to integrate many peripherals These include VGA UDMA IDE interface ATA solid state disk floppy disk interface USB support serial ports parallel port real time clock keyboard and mouse PS 2 controller Three GPIO general purpose input output pins plus one output are available and a serial AC 97 audio interface Due to the high level of integration most off board facilities are available in multifunction connectors The MI
21. ctor P23 may optionally connect to the MICRON CONNECT I O board A cable is available for this purpose Pile Se aa ae eae A loo OOOODODOADDOAODODAADAAAADAAAnDD View on Connecting Pins Pin 2 Digital Ground DDC Data DDC Clock DDC 5V Vertical Sync Horizontal Sync Analogue BLUE Analogue Ground Analogue GREEN Analogue Ground Analogue RED Analogue Ground Link Active LED Link Active LED Tx Data Centre tap Tx Winding Tx Data Ground Ethernet Rx Data Centre tap Rx Winding Rx Data 100 Mb Operation LED 100 Mb Operation LED 5V Keyboard Data Keyboard Clock Mouse amp Keyboard Mouse Data Mouse Clock Ground USBO Data 5V USBO Data USB1 Data Ground USB1 Data GPIO line 0 GPIO line 2 GPIO line 1 General Purpose IO GPIO line 3 Ground Data IN Ground 43 44 Data OUT Ground 45 46 Clock AC97 Audio Ground 47 48 Sync Audio 5V Resettable thermal fuses protect all SV supplies Blue Chip Technology Limited Page 26 MICRON SINGLE BOARD COMPUTER MICRON CONNECTORS COMBINED SERIAL PORTS 1 amp 2 PARALLEL PORT UTILITIES CONNECTOR P22 Connector 50 way 0 1 pitch pin header Mating Connector 50 way 0 1 pitch IDC socket A cable is available as an option which separates the functions at this combination connector P22 to standard connectors serials and parallel View on Connecting Pins Signal Pin Pin Si
22. e available all other features are controlled from BIOS setup or operating system options Care should be taken to set the LCD voltage selector to the appropriate voltage if using an LCD panel Please bear in mind that the board will not function if the CMOS clear is left in the Clear position LOADING OPERATING SYSTEMS amp DRIVERS Some operating systems provide in built support for the chipset used on this board It is variously known as Trident CyberBlade 17 8420B and VIA Technologies VT686 B with Rise mP6 CPU Intel 82559ER Ethernet controller and VT1611 audio codec when used with the MICRON CONNECT option A CD ROM is supplied with each board containing some common operating system drivers Bear in mind that suppliers continually update their drivers so it is always a good idea to check on the Internet for later ones The following websites are good starting points Wwww via com tw www viatech com www intel com Note When installing Windows 2000 it has been found to fail if this operation is attempted with the on board audio enabled Disable the audio using Setup complete the installation and then enable it Windows will see the Multimedia Audio Device on the next boot and prompt for the drivers Blue Chip Technology Limited Page 18 MICRON SINGLE BOARD COMPUTER USING THE BOARD PROGRAMMING THE BOARD The board includes an EEPROM a Watchdog and General Purpose I O all of which are accessible by using a special BIOS fu
23. elow 3A per terminal An ATX power supply may be used in which case a SV standby supply line would be available This should be connected to 5Vsrgy terminal The ATX PSU may be switched on and off by the power switch on the Utilities connector controlling the PSU PSON line If a SV standby supply is not available the terminal should be linked to 5V supply The Ethernet controller and much of the power sequencing blocks in the chipset are powered from this terminal Take care to identify cables and be aware that some connectors could be transposed EMC ISSUES The enclosure in which the board is mounted will have a significant effect on the electro magnetic compatibility of the final system For best effect it should be electrically conducting and provide a complete screen around the electronics Apertures should be kept to a minimum and as small as possible For ventilation purposes many small holes are far more preferable to a few large holes It is the maximum dimension of an aperture that governs the lowest frequency that can pass through the enclosure either in or out This is irrespective of the width of the aperture Even a narrow gap between two sections of an enclosure can leak radio interference Large apertures will significantly reduce the electro magnetic compatibility of the system The major contributor to EMC problems will be cables entering and leaving the enclosure To minimise these effects ensure that any external cable
24. gnal Function JRE Serial COMI RXD DCD O UUR Ground 19 2 0 DO pm Parallel LPTI OOOO OKY 5 J6 Ooo RXD 7 8 PCY tC Serial COM2 Reset Switch to Ground Utilities Power Switch to Ground External SMI to Ground External 3V to Ground External SMI External Systems Management Interrupt Pull to ground to interrupt Blue Chip Technology Limited Page 27 MICRON SINGLE BOARD COMPUTER MICRON CONNECTORS LCD PANEL CONNECTOR P6 Connector 50 way 2mm pitch pin header Mating Connector 50 way 2mm pitch IDC or crimp socket View on Connecting Pins Ground Switched Vee from PS 5 6 Horizontal SYNC Switched version of Pint 7 8 Ground Switched version of Pin 9 10 Enable Backlight Ground First Line Marker 40 1 2 23 Data D22 3 Data D21 3 6 8 40 See the document LCD Connectivity for details on individual LCD Panel types PANEL VEE GENERATOR CONNECTOR P5 Connector 5 way 0 1 pitch right angled pin header Mating Connector 5 way SIL 0 1 socket Pin Signal 1 5V Blue Chip Technology Limited Page 28 MICRON SINGLE BOARD COMPUTER MICRON CONNECTORS The 5V output is NOT protected Link 3 and 4 to pass the Enable signal to the LCD connector IRDA INTERFACE P11 Connector 5 way 0 1 pitch right angled pin header Mating Connector 5 way SIL 0 1 socket Pin Signal 1 SV The 5
25. id state Disk chip not fully seated or pin damaged Check alignment and seating of chip Page 23 MICRON SINGLE BOARD COMPUTER MICRON CONNECTORS MICRON CONNECTORS POWER CONNECTIONS POWER SUPPLY INPUT TERMINALS P18 Screw Terminals 6 PSON Note The terminal 5Vstpy must be connected to a 5V supply Link to 5V if no Standby power available 12V POWER INPUT TERMINALS FOR ADD ON BOARDS P26 Screw Terminals Terminal Description 1 12V 2 12V Note Neither of these supplies are required for operation of the MICRON board the terminals provide power to other PCBs 5V OUTPUT CONNECTOR TO FAN P1 Connector Molex 0 1 KK 3 way pin header Mating Connector Molex 0 1 KK 3 way plug Pin Function 5V Output Tacho Sense Input BATTERY HOLDER Battery type CR1220 35mAh standard Fit battery with the positive terminal visible on top Blue Chip Technology Limited Page 24 MICRON SINGLE BOARD COMPUTER JUMPERS CMOS CLEAR MICRON CONNECTORS J1 Jumper 1 2 Normal 2 3 Clear CMOS LCD PANEL SUPPLY VOLTAGE J2 Jumper Link Operation l 1 2 3V3 2 3 5V Blue Chip Technology Limited Page 25 MICRON SINGLE BOARD COMPUTER MICRON CONNECTORS INPUT OUTPUT CONNECTORS COMBINED VGA KEYBOARD MOUSE ETHERNET USB GPIO AUDIO CONNECTOR P23 Connector 50 way 0 1 pitch pin header Mating Connector 50 way 0 1 pitch IDC socket Combination conne
26. imits Emissions EN 55022 A Immunity EN 55024 Calculated gt 100 000 Hrs Board only 96 x 106 mm making use of the allowed connector space in PC 104 large memory modules overhanging connectors and a large heatsink may increase these dimensions mP6 85 C case 686B 85 C case 82559ER 85 C case EL7564 70 C ambient no airflow Ci7 70 C ambient ICS9248 115 C case 70 C ambient Power Consumption figures given are for typical configurations This information is provided only as a guide to calculating approximate total system power usage when additional resources are added Blue Chip Technology Limited Page 12 MICRON SINGLE BOARD COMPUTER USER GUIDE BOARD LAYOUT TOP SURFACE OF THE PCB Figure 1 MICRON PCB Top View Showing Connector Positions Pin 1 of each connector is indicated by an arrow Connectors BT1 12mm Battery holder for RTC P8 PC 104 connectors IC15 Socket for ATA Disk Flash P9 SODIMM connector Ji CMOS RTC clear P10 PC 104Plus connector below PCB J2 Panel supply voltage P11 IRDA connector P1 5V fan connector P18 Power supply terminals P2 Primary EIDE connector P20 Remote 10K Thermistor P3 Floppy disk connector P22 Serial Parallel Utilities PS Panel Vee connector P23 VGA PS 2 LAN USB etc P6 LCD panel connector P26 12V pass through See the section Micron Connectors for details of individual signals on the connectors Blue Chip Techn
27. includes a watchdog timer circuit which may be used to monitor software or processor hardware failure The time out period of the watchdog is fixed at 1200 milliseconds 60 The timer is enabled or disabled by using the software interrupt at INT 50h The following code demonstrates the control of the watchdog timer Enable Disable Watchdog Calling Registers AH 05 AL 01 to enable 00 to disable Blue Chip Technology Limited Page 19 MICRON SINGLE BOARD COMPUTER USING THE BOARD Perform INT 50h Return Registers AH 00 and Carry flag is clear if successful AH 02 and Carry flag is set if function valid but disabled AH FF and Carry flag set if function failed Refresh Watchdog Calling Registers AH 06 Perform INT 50h Return Registers Carry flag clear GENERAL PURPOSE 1 0 LINES MICRON provides four LVTTL compatible programmable digital input output lines Before the lines can be used the GPIO function has to be enabled within the BIOS Set up program Once enabled BIOS functions are available to control this facility As inputs the lines are non inverting and are pulled high by on board resistors Excepting GPIO2 the default settings for all lines are as inputs GPIO2 can only operate as an output and it defaults to a high state The direction control and data may be handled using the software interrupt function INT 50h Set User IO Line Control Calling Registers AH 17 hex DL bits 2 0 IO Line
28. ion IBM PhoenixPICO BIOS is a trademark of Phoenix Technologies Ltd Intel is a registered trademark of the Intel Corporation All 80x86 and Pentium processors are registered trademarks of Intel Corporation MSDOS and WINDOWS are registered trademarks of the Microsoft Corporation CyberBlade 17 is a trademark of Trident Microsystems Inc VIA is a trademark of VIA Technologies Inc iDragon and mP6 are trademarks of Rise Technology Company Blue Chip Technology Limited Page 5 MICRON SINGLE BOARD COMPUTER INTRODUCTION PRECAUTIONS Certain precautions are necessary when designing with handling and using circuit boards It is imperative that precautions are taken at all stages to avoid Electro static discharges which will damage boards Those boards fitted with an on board lithium battery must be handled carefully to avoid maltreatment of the battery that could create a hazard ELECTRO STATIC DISCHARGES The devices on this card can be totally destroyed by static electricity Also bear in mind that the damage caused by static electricity may be partial and not immediately obvious This could have an effect on your product s reliability and warranty Ensure that you take necessary static precautions ideally you should wear an approved wrist strap or if that is not possible touch a suitable ground to discharge any static build up This should be repeated if the handling is for any length of time When carrying the board around ple
29. ir that can flow through the enclosure the greater the cooling effect and the lower the temperature rise above the ambient air temperature However the volume produced by any fan will vary with the pressure against which it has to work The resistance to airflow the back pressure on the fan will depend upon the enclosure the mounting and restrictions Therefore when mounting and cabling the board it is essential that the free circulation of the cooling airflow is not impeded The calculation of airflow through an enclosure is not straightforward and depends on many factors The method of meeting the cooling requirements will be specific for each system Consequently the system builder is responsible for ensuring adequate cooling However interpreting airflow volumes is not intuitive As an aid to selecting suitable cooling the following example is offered A 60 mm axial fan such as a Papst type 612NGH blowing over the board can supply up to 46 m hour when unrestricted Restrictions to the airflow will reduce this volume CABLING Careless routing of connecting cables can affect the cooling dramatically It will also have a bearing on EMC Lengths should be limited to the necessary minimum Connections may be made to the MICRON board directly using custom cables to suit the application Alternatively connections may be made via the optional MICRON I O cable or the optional MICRON CONNECT board The MICRON I O cable and the MICRON CONN
30. nction The EEPROM and the General Purpose I O are not available together One or the other is first enabled in the BIOS set up program and then controlled by software using the software interrupt INT 50h USER EEPROM The EEPROM on the MICRON unit is a NM93C46 serially programmed device It comprises 128 bytes of user programmable memory organised as 64 x 16 bit words The EEPROM does not have to be completely erased before writing to a single location Before it can be used the EEPROM must be enabled within the BIOS The BIOS provides two functions to simplify user access to the EEPROM memory available through a software interrupt INT 50h Write to Single EEPROM Location Calling Registers AH 03 BL Location 0 63 DX Write data 16 bit value Perform INT 50h Return Registers AH 00 and Carry flag is clear if successful AH 02 and Carry flag is set if function valid but disabled AH FF and Carry flag set if function failed READ Single EEPROM Location Calling Registers AH 04 BL Location 0 63 Perform INT 50h Return Registers DX EEPROM Data AH 00 and Carry flag is clear if successful AH 02 and Carry flag is set if function valid but disabled AH FF and Carry flag set if function failed Please note that the pins driving this device are shared with the general purpose I O lines It is therefore not possible to use the EEPROM and GPIO lines simultaneously WATCHDOG FACILITY MICRON
31. nector 15 way D type plug Mating Connector 15 way D type socket a ee wi Pin 9 ee Pin 15 View on Connecting Pins LO Signal Pin Pin Signal Speaker L G O Speaker a HD Activity LED Cathode 10 HD Activity LED Anode Eat Su Go Ground 3 1 Ground _ NC 6 TN Blue Chip Technology Limited Page 31 MICRON SINGLE BOARD COMPUTER MICRON CONNECT MICRON CONNECT The MICRON CONNECT board is an optional board producing standard connectors for a number of the input output functions of the MICRON board It is generally employed as a development tool prior to application specific enclosure and interconnecting cable design work There is no requirement to use the CONNECT board other than for analogue audio signals The required signals may be taken from the connector on the MICRON board itself Figure 3 MICRON CONNECT PCB Top View Connectors Multi function Connection to MICRON P2 10 100 Ethernet connector Keyboard amp Mouse connectors GPIO header with tie wrap holes P6 Dual USB connector P8 CDAudioln P9 Audio Line In Jack socket Audio Line Out Jack socket Blue Chip Technology Limited Page 32 MICRON SINGLE BOARD COMPUTER MULTI FUNCTION INTERCONNECT MICRON CONNECT P1 Connector Mating Connector 50 way 0 1 pitch pin header 50 way 0 1 pitch IDC socket Signal Digital Ground Pin 2 DDC Data DDC Clock DDC 5V Ver
32. ology Limited Page 13 MICRON SINGLE BOARD COMPUTER USER GUIDE LOWER SURFACE OF THE PCB Thermistor Figure 2 MICRON PCB Underside View Showing Hot Devices and Temperature Sensor Connectors Ident Description l P8 PC 104 connectors both surfaces P10 PC 104Plus connector See the section Micron Connectors for details of individual signals on the connectors Blue Chip Technology Limited Page 14 MICRON SINGLE BOARD COMPUTER INSTALLATION INSTALLATION MOUNTING The PC104 specification details 4 mounting holes of 1 8 diameter Because of the size of the standard SO DIMM two of these are partially obscured by the socket for the SDRAM Small headed fixings are best here preferably plastic to avoid any possible short circuits Care should be taken on the underside of the board to not cause any mechanical damage to the components adjacent to the mounting holes The MICRON CPU has to be installed at the top of a PC 104Plus stack because of its interconnect restrictions It is also difficult to mount any PC 104 boards on top of MICRON because of the two obscured mounting holes not being available to take standard pillars z 8 9 OF 95 8 90 8 12 7 85 1 102 9 O O LO 4 o E LO O O 5 1 153 0 158
33. s are fully screened and that the screen is electrically connected to the chassis Full wire screened cables are much more effective than those with a foil screen and drain wire Use metal connector shells covers and do not allow the external screen to pass into the enclosure Blue Chip Technology Limited Page 17 MICRON SINGLE BOARD COMPUTER USING THE BOARD USING THE BOARD BIOS SETTINGS The board contains a custom implementation of the Phoenix BIOS 4 Revision 6 1 to suit the specific hardware features Certain combinations of BIOS settings may prevent the MICRON from working correctly If problems or lock ups are experienced on boot up clear the CMOS memory and restart The default settings will usually work in most instances The CMOS memory is cleared using the jumper block J1 To clear the CMOS switch off the power to the board then move the jumper at J1 to the Clear CMOS position for a few seconds and then return it to its original position The power may then be restored Press the keyboard lt F2 gt key during the boot up operation to enter the BIOS set up screen Various information is available on the set up and interpretation of the BIOS in the following files User Manual BIOS Setup BIOS POST JUMPERS Only two jumper blocks are used on the board one to clear the CMOS memory and the other to select the LCD panel supply voltage This latter jumper may be ignored if a LCD panel is not fitted No other jumpers ar
34. s not have to be completely erased before writing to a single location Software functions are provided to use the facility WATCHDOG FACILITY MICRON includes a watchdog timer circuit which may be used to monitor software or processor hardware failure The time out period of the watchdog is fixed and the timer is enabled or disabled by using a software interrupt GENERAL PURPOSE DIGITAL INPUT OUTPUT MICRON provides three LVTTL compatible programmable digital input output lines and one output BIOS functions are available to control this facility which must be enabled in the BIOS setup Blue Chip Technology Limited Page 11 MICRON SINGLE BOARD COMPUTER USER GUIDE SPECIFICATION MICRON Power Requirement 5 Volt Power Consumption Temperature EMC MTBF Dimensions Temperature Limits 5 V 5 Required for processor operation 12 V 5 Not required for board operation 12V 5 Not required for board operation 3 3V 5 Not required for board operation 5Vsrey Required for board operation may be linked from 5V Note that those supply rails that are not required for operation of the MICRON may be required by other plug in boards or LCDs 1 7 A typical 2 0 A peak 250 MHz CPU 128 MB SDRAM 1 6 A typical 1 9 A peak 200 MHz CPU 128 MB SDRAM 1 6 A typical 1 8 A peak 200 MHz CPU 64 MB SDRAM Non Operating 40 C to 70 C Operating 0 C to 55 C Heatsinks and airflow may be required for the higher l
35. section Remember that even discharged batteries can present a real personnel hazard if mistreated The battery is held in place by the spring clip on the top of the plastic carrier To remove the battery insert a non conductive tool or fingernail under the battery to lift it above the lip of the holder against the retaining spring Then slide the battery out Replacing the battery is the reverse procedure ensuring that the new battery is placed with the positive face up visible Blue Chip Technology Limited Page 22 MICRON SINGLE BOARD COMPUTER TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE This is not intended as an extensive faultfinding procedure rather it is intended to indicate the more likely causes of failure with this product Ensure that the power is switched off before making any hardware changes Bear in mind that it is possible to set combinations of parameters within the BIOS that will prevent proper operation of the board See the BIOS section for details If in doubt set default values or clear the CMOS memory and start again Default values will generally provide a working but limited system SYMPTOM Possible Cause Action Possible Cause Action Possible Cause Action Possible Cause Action Possible Cause Action Possible Cause Action Possible Cause Action SYMPTOM Possible Cause Action SYMPTOM Possible Cause Action SYMPTOM Possible Cause Action SYMPTOM Possible Cause Action SYMP
36. tical Sync Horizontal Sync Analogue BLUE Analogue Ground Analogue GREEN Analogue Ground Analogue RED LEDO Analogue Ground LED LINK Tx Data Centre tap TX Winding Tx Data Ground Ethernet Rx Data Centre tap Rx Winding Rx Data LED100 Keyboard Data LEDI 5V Keyboard Clock Mouse amp Keyboard Mouse Data Ground 5V Mouse Clock USBO Data USBO Data USB1 Data USB1 Data Ground GPIOO GPIO1 General Purpose IO Reset Ground Data IN Ground Data OUT Ground Clock AC97 Audio Ground Blue Chip Technology Limited Sync Audio 5V Page 33 MICRON SINGLE BOARD COMPUTER MICRON CONNECT KEYBOARD amp MOUSE P3 Connector Mating Connector PS 2 6 pin mini DIN socket PS 2 keyboard or mouse connector Note that whilst the lower socket includes both mouse and keyboard signals the signal pin out is compatible with a standard PS 2 keyboard Pin 6 Pin 5 Pin 4 Pins Mouse Pin Lower Upper Pin 2 Pin 1 1 Keyboard Data Mouse Data 2 Mouse Data N C Pin 6 Pin 5 3 Ground Ground i in3 Keyboard 4 5V 5V Pin 4 Pin 3 y 5 Keyboard Clock Mouse Clock Pin 2 Pin 1 6 Mouse Clock N C View on Connecting Sockets Issue 1 Micron Connect had upper and lower sockets reversed GENERAL PURPOSE I O P4 Connector Mating Connector Pin Signal
Download Pdf Manuals
Related Search