Digital Equipment FR-902AA-A3 Service Maintenance Manual Download Page 70

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Device Mapping

Digital STARION 400i - 900i PC

MCS Logistics Engineering - Nijmegen

I/O Address Map

Range (hexadecimal)

Function

000 - 00F

DMA controller one

020 - 021

Interrupt controller one

040 - 043

Interval timer

060 - 06F

Keyboard controller

070 - 07F

Real-time clock (RTC), NMI

080 - 08F

DMA page register

0A0 - 0A1

Interrupt controller two

0C0 - 0CF

DMA controller two

0F0

Clear math co-processor busy

0F1

Reset math co-processor

0F8 - 0FF

Math co-processor

170 - 177

Secondary IDE controller

1F0 - 1F7

Primary IDE controller

220 - 22F

Sound card

278 - 27A

LPT2

2E8 - 2EF

COM4

2F8 - 2FF

COM2

378 - 37A

LPT1

3BC - 3BE

LPT3

3B0 - 3DF

VGA register

3E8 - 3EF

COM3

3F0 - 3F7

Diskette (floppy disk) controller

3F6 - 3F7

Primary/secondary IDE controller (alt status, device address)

3F8 - 3FF

COM1

46E8

VGA enable register

42E8, 4AE8, 82E8, 86E8,
8AE8, 8EE8, 92E8, 96E8,
9AE8, 9EE8, A2E8,
A6E8, AAE8, AEE8,
B2E8, B6E8, BAE8,
BEE8, E2E8, E2EA

VGA enhanced mode registers

Summary of Contents for FR-902AA-A3

Page 2: ...e duplication or disclosure by the U S Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Copy...

Page 3: ...a Crisis Recovery Diskette 16 Upgrading the Computer s BIOS 16 ULTILITIES AND VIDEO DRIVERS 17 Setting High Resolution Mode for The Monitor Display 17 Windows Video Drivers 17 MS DOS and Windows Appli...

Page 4: ...s Locations 39 PART REMOVAL AND REPLACEMENT 40 Removing the 3 Inch Diskette Drive 40 Removing a 5 Inch Device 41 Removing the IDE Hard Disk Drive 42 Removing Expansion Boards 43 Removing the Main Logi...

Page 5: ...FEEDBACK 79 PERSONAL NOTES 81 READERS COMMENTS 85 Table of Figures Figure 3 1 Removing the Cover 32 Figure 3 2 Computer Components 33 Figure 3 3 Expansion Slots 35 Figure 3 4 Main Logic Board Jumper L...

Page 6: ......

Page 7: ...Logistics Engineering Nijmegen 7 S T A R I O N 4 0 0 i 9 0 0 i Revision History Revision Date Description of change A01 January 1996 First release of the Service Manintenance Manual describing the STA...

Page 8: ......

Page 9: ...is document may not apply to the computer s you are servicing since many of the diagnostic tests are designed to test more than one product CAUTION Digital recommends that only A certified engineers a...

Page 10: ......

Page 11: ...cked mini deskside computers in their class Microprocessor 75MHz 90 MHz or 100MHz Pentium processor System Memory Starion 400i 500i 600i 700i 900i 8 MB System RAM expandable up to 128 MB Starion 800i...

Page 12: ...ion 700i FR 903AA A2 90 MHz Pentium 1GB 8MB Starion 800i FR 904AA A2 100 MHz Pentium 1GB 16MB Starion 900i FR 904AA A1 100 MHz Pentium 1GB 8MB Product Model Video Cache CDROM Starion 400i FR 902AA A3...

Page 13: ...ore attempting to use any of the utilities or to install video drivers Using Utilities Video Drivers The system utilities and video drivers enable to take full advantage of the computers enhanced vide...

Page 14: ...800i 900i computers However they are available on the Digital Bulletin Board System Creating a Crisis Recovery Diskette 1 Turn on the computer and allow the POST to complete If POST detects an error r...

Page 15: ...Digital STARION 400i 900i PC Utilities Configuration MCS Logistics Engineering Nijmegen 15 S T A R I O N 4 0 0 i 9 0 0 i 6 Remove the crisis recovery diskette from drive A and store it in a safe place...

Page 16: ...into drive A and then power on the computer 3 The computer automatically boots from drive A and upgrades the BIOS Upon completion the computer sounds a beep code and attempts to restart 4 After the B...

Page 17: ...s shaded gray are not a valid choice due to the computer s maximum video memory or installed controller type CAUTION Do not select a monitor type setting that exceeds the monitor s resolution refresh...

Page 18: ...ds In most cases it is never necessary to use this utilityand Galileo you should only be used to select high resolution video modes However when Galileo cannot successfully be used to set the required...

Page 19: ...ON 400i 900i PC Utilities Configuration MCS Logistics Engineering Nijmegen 19 S T A R I O N 4 0 0 i 9 0 0 i Consult appropriate documentation and training materials for information on using the Co Ses...

Page 20: ...or when reconfiguration of the computer is necessary In addition it might be necessary to use the BIOS Setup utility to modify the configuration after hardware has been added or removed or computer se...

Page 21: ...to restore all CMOS values from the last session Select Save Changes to save all selections without exiting Setup Press Esc to exit the Setup utility BIOS Setup Utility Options The following topics li...

Page 22: ...4 sectors 8 sectors 16 sectors Auto Disabled Determines the number of sectors per block for multiple sector transfers Auto refers to the size the disk returns when queried LBA control mode Disabled E...

Page 23: ...has the same addresses as the video BIOS ROM locations When video BIOS ROM is shadowed the ROM information is copied into an appropriate area in DRAM This increases the computer s performance because...

Page 24: ...nabled Disabled Enabling this option causes the computer to verify the diskette type each time the computer boots Disabling this option speeds up the boot process Quiet boot Enabled Disabled Enabled i...

Page 25: ...1 at the specified address Select Auto unless interrupts IRQ4 and or IRQ3 are allocated as a computer resource Two devices cannot share the same IRQ Choosing Disable makes serial port 1 unusable If Au...

Page 26: ...sabling this option causes a device to treat palette accesses like any other device access Enable VGA Palette Snoop when a second video adapter is connected to the feature connector of the installed V...

Page 27: ...Press Enter to enter a custom sign on banner that displays during POST For example the user might enter Welcome to John s machine Up to two lines of text each containing up to 50 characters can be en...

Page 28: ...ckly returns the computer to operation Disabling this option prevents this feature from operating Power management must be enabled to use this option System suspend timer Disabled 1 hour 1 5 hours 2 h...

Page 29: ...s properly connected Keep circuit boards and components away from non conductors Keep clothing away from circuit boards and components Keep circuit boards in anti static bags Be cautious when AC power...

Page 30: ...plier information Diagsoft Inc 5615 Scotts Valley Drive Suite 140 Scotts Valley California 95066 U S A Voice 1 408 438 8247 Fax 1 408 438 7113 Internet http www diagsoft com Diagsoft Inc homepage Reco...

Page 31: ...NOT a source for technical support For advice please call the Digital Euipment Service Representative 1 800 354 9000 Unlocking and Removing the Cover Before removing the cover do the following 1 Turn...

Page 32: ...ver must be removed prior to install any hardware option To remove the cover 1 Loosen and remove three screws along perimeter of rear panel to release cover from chassis 2 Carefully slide cover toward...

Page 33: ...0 0 i Computer Components Legend Component A Power supply B Main logic board C 3 inch diskette drive D CD ROM drive E Front drive bays F Internal drive bay G Riser card supports up to five expansion c...

Page 34: ...ug and Play expansion cards it might be necessary to manually set jumpers on the board based on the computer resources already allocated The computer s ISA expansion slots support industry standard fu...

Page 35: ...full length Support industry standard 16 bit ISA expansion cards J4 ISA full length Supports industry standard 16 bit ISA expansion card Designated as a shared slot with PCI slot J5 J5 PCI full lengt...

Page 36: ...eful not to bend the pins CAUTION Do not touch any electronic component unless you are safely grounded Wear a grounded wrist strap or touch an exposed metal part of the system box chassis A static dis...

Page 37: ...ION 400i 900i PC Service Procedures MCS Logistics Engineering Nijmegen 37 S T A R I O N 4 0 0 i 9 0 0 i Main Logic Board Jumper Locations 1 2 J27 J16 J21 3 J22 J11 J10 Figure 3 4 Main Logic Board Jump...

Page 38: ...g SIMMs be sure to Install a matching pair only Install 32 bit SIMMs having an access time of 70 ns or less Supported SIMM sizes 4 MB 8 MB 16 MB 32 MB or 64 MB For improved performance Starion Minitow...

Page 39: ...Digital STARION 400i 900i PC Service Procedures MCS Logistics Engineering Nijmegen 39 S T A R I O N 4 0 0 i 9 0 0 i Starion SIMM Sockets Locations 0 1 A Figure 3 5 SIMM Socket Locations...

Page 40: ...e computer 2 Disconnect external devices ac power and monitor power 3 Remove cover 4 Remove two screws securing the diskette drive to front panel 5 Disconnect power cable 6 Slightly lift front of driv...

Page 41: ...remove a 5 inch device 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Remove cover 4 Remove four screws securing the device to device bay 5 Disconnect power and dat...

Page 42: ...er and monitor power 3 Remove cover 4 Remove metal filler plate 5 Remove four screws securing hard disk drive to device bay 6 Disconnect power and ribbon cables 7 Slide drive toward rear of computer t...

Page 43: ...R I O N 4 0 0 i 9 0 0 i Removing Expansion Boards To remove an expansion board 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Unlock and remove cover 4 Remove scre...

Page 44: ...s ac power and monitor power 3 Unlock and remove cover 4 Remove all connectors 5 Remove all expansion boards 6 Remove the riser card and bracket 7 Remove screws and lift the board out Power Connectors...

Page 45: ...Digital STARION 400i 900i PC Service Procedures MCS Logistics Engineering Nijmegen 45 S T A R I O N 4 0 0 i 9 0 0 i...

Page 46: ...ower 3 Remove cover 4 Disconnect power supply cabling from main logic board noting the proper orientation 5 Disconnect power supply cables from all devices 6 Loosen two screws securing power on off sw...

Page 47: ...t To remove the riser card and bracket 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Remove cover 4 Remove all expansion boards 5 Remove screws securing bracket to...

Page 48: ...ver to release old CPU 4 Remove old CPU NOTE The higher performance CPU you are installing might require a different voltage regulator than the one currently installed Check the contents of the CPU ki...

Page 49: ...Digital STARION 400i 900i PC Service Procedures MCS Logistics Engineering Nijmegen 49 S T A R I O N 4 0 0 i 9 0 0 i Figure 3 13 Installing a Higher Performance CPU DE C 0050 8 2 A...

Page 50: ...urn off the computer disconnect external devices ac power and monitor power 2 Unlock and remove cover 3 Carefully pinch the harpoon ends on the plastic standoffs and remove the voltage regulator 4 Ins...

Page 51: ...C must be replaced To replace the RTC perform the following 1 Record computer configuration settings using the BIOS Setup utility 2 Turn off the computer disconnect external devices ac power and monit...

Page 52: ...Service Procedures Digital STARION 400i 900i PC 52 MCS Logistics Engineering Nijmegen Figure 3 15 Replacing the Computer Battery D EC 00508 4 A...

Page 53: ...cs listed below for illustrations of the relevant connections To connect diskette and IDE devices perform the following 1 Connect supplied ribbon cable to device 2 Connect a power cable to device 3 Re...

Page 54: ...Device Component A Power supply B Power connections C Diskette drive connection D IDE drive connection E Main logic board diskette drive connection F Primary IDE interface for hard disk drive G Secon...

Page 55: ...f wait until all hard disk drives spin down completelyand then turn it back on If the POST detects an error refer to Chapter 4 Troubleshooting and take the appropriate steps to correct the problem Aft...

Page 56: ...t beeps The following table lists other fatal error and their associated beep codes Each code represents the number of short beeps that are grouped together Fatal errors errors that lock up the comput...

Page 57: ...ve A error Diskette drive B error Diskette drive has failed Run the BIOS Setup utility Check all connections If the problem persists replace the defective diskette drive and or drive cable Extended RA...

Page 58: ...ARION 400i 900i PC 58 MCS Logistics Engineering Nijmegen Invalid NVRAM media type NVRAM access failed Run the BIOS Setup utility and restore all settings to original values If the problem persists rep...

Page 59: ...tility to make any necessary changes Real time clock error Real time clock failed BIOS test Replace real time clock and then run the BIOS Setup utility to restore previous configuration information Sy...

Page 60: ...B This indicates the released segments of the BIOS that can be reclaimed by a virtual memory manager Video BIOS shadowed This indicates that the computer s video BIOS was successfully copied to shadow...

Page 61: ...replace expansion board Computer operates incorrectly after installing optional SIMMs SIMMs installed incorrectly Did not rerun BIOS Setup utility BIOS Setup utility changes not saved before exiting S...

Page 62: ...to the wrong IDE connector There might be a boot sector virus Hard disk boot sector is missing Install the appropriate operating system Format the IDE hard disk drive or partition the IDE hard disk d...

Page 63: ...SI device jumpers incorrectly set SCSI cable not terminated SCSI device not plugged in Terminating resistors not removed from the SCSI device SCSI adapter failure SCSI ID conflicts Refer to the suppli...

Page 64: ...Drive ID incorrectly set Diskette drive not enabled Diskette boot option disabled Onboard diskette controller disabled Diskette does not contain start up files Make sure the drive ID is correctly set...

Page 65: ...ystem Target diskette drive cannot read or write information Onboard diskette controller disabled Diskette write protection is enabled Run the BIOS Setup utility and set the diskette controller to Ena...

Page 66: ...on mode Appropriate high resolution video drivers are not installed or incorrectly installed Correctly install all appropriate high resolution video drivers Refer to the documentation supplied with th...

Page 67: ...er Card Hard drives failed Run Setup Check connections Reset controller Replace controller Replace disk Floppy diskette Media Mismatch Drive Not Ready Write Protected Media Unformatted Media Use known...

Page 68: ......

Page 69: ...memory conflict results and the expansion board will not operate as expected Note that some memory I O and interrupt locations can be changed using the BIOS Setup utility NOTE Plug and Play add in ca...

Page 70: ...r two 0F0 Clear math co processor busy 0F1 Reset math co processor 0F8 0FF Math co processor 170 177 Secondary IDE controller 1F0 1F7 Primary IDE controller 220 22F Sound card 278 27A LPT2 2E8 2EF COM...

Page 71: ...r emulation or LPT2 IRQ6 Diskette floppy disk drive if enabled IRQ7 LPT1 LPT3 if enabled IRQ8 Real Time Clock RTC IRQ9 Available IRQ10 Boca sound card wave table player recorder IRQ11 Available IRQ12...

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Page 73: ...ests except Sequential write read and Sequential write random read Destructive Tests Floppy Disk All Tests Keyboard All Tests COM Ports All Tests LPT Ports All Tests Pointer device All Tests 3 Success...

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Page 75: ...ettings are given in Bold Italics Serial Port Jumpers IRQ Setting Jumpers COM1 J8 J10 jumpered IRQ3 J1 jumpered COM2 J8 J9 jumpered IRQ4 J2 jumpered COM3 J7 J10 jumpered IRQ5 J3 jumpered COM4 J7 J9 ju...

Page 76: ...5 J8 jumpered 3 J9 J11 jumpered 250 J1 J3 jumpered IRQ7 J5 J8 jumpered none J10 J12 jumpered IRQ9 J6 J8 jumpered IRQ10 J5 J7 jumpered Disabling Fax Modem Sound Board Features It might be necessary to...

Page 77: ...NPAL UA On Line Bulletin Boards The most current product information and technical support is also available on line The most current device drivers Setup diskettes and technical tips can be found on...

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Page 79: ...We will do our best to make this document a valuable support to your service efforts for Digital Please fill out the reader feedback form and send or fax it to Digital Equipment Parts Center b v Att...

Page 80: ......

Page 81: ...Personal Notes...

Page 82: ...Personal Notes...

Page 83: ...Personal Notes...

Page 84: ...Personal Notes...

Page 85: ...Commitments submitted on this form are used at Digital s direction Did you find errors in this manual If so specify by page What is your general reaction to this manual format completeness organisatio...

Page 86: ...Name Title Company Dept Address City State Country...

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