Digital CELEBRIS Pentium PC Table of Contents
MCS Logistics Engineering - Nijmegen 5
COMPUTER COMPONENTS ............................................................................................................................31
CELEBRIS Pentium Low-Profile Models...............................................................................................31
CELEBRIS Pentium Full-Profile Models................................................................................................32
E
XPANSION SLOTS........................................................................................................................................33
CELEBRIS Pentium Low-Profile Expansion Slots.................................................................................33
CELEBRIS Pentium Full-Profile Expansion Slots..................................................................................35
M
AIN LOGIC BOARD JUMPERS......................................................................................................................37
CELEBRIS Pentium Main Logic Board Jumper Settings.......................................................................37
CELEBRIS Pentium Main Logic Board Jumper Locations....................................................................38
C
OMPUTER MEMORY CONFIGURATIONS ......................................................................................................39
CELEBRIS Pentium SIMM Socket Locations........................................................................................40
P
ART REMOVAL AND REPLACEMENT............................................................................................................42
Opening the Low-Profile Device Bay & Power Supply Subassembly.....................................................42
Opening the Full-Profile Device Bay & Power Supply Subassembly.....................................................44
Removing the 3½-Inch Diskette Drive (Low-Profile Models)................................................................45
Removing the 3½-Inch Diskette Drive (Full-Profile Models).................................................................46
Removing the Main Logic Board............................................................................................................48
Removing the Power Supply (Low-Profile Models)................................................................................49
Removing the Riser Card & Bracket.......................................................................................................51
I
NSTALLATION PROCEDURES........................................................................................................................53
Installing a Higher Performance CPU.....................................................................................................53
Installing External Cache Memory..........................................................................................................55
Installing Video Memory........................................................................................................................57
R
EPLACEMENT PROCEDURES........................................................................................................................58
Replacing the Computer Battery.............................................................................................................58
C
ONNECTING DISKETTE AND IDE DEVICES..................................................................................................60
Connecting Diskette Devices..................................................................................................................60
Connecting IDE Devices.........................................................................................................................62
CHAPTER 4 TROUBLESHOOTING...................................................................................................63
I
NITIAL TROUBLESHOOTING .........................................................................................................................63
B
EEP CODES.................................................................................................................................................64
POST
AND BOOT MESSAGES........................................................................................................................64
C
OMPUTER TROUBLESHOOTING...................................................................................................................67
Disk Drive Troubleshooting....................................................................................................................73
Monitor Troubleshooting........................................................................................................................74
QAPlus/FE Error Messages.....................................................................................................................75
CHAPTER 5 DEVICE MAPPING.........................................................................................................77
CPU Memory Address Map (Full Range)...............................................................................................77
CPU I/O Address Map............................................................................................................................77
I/O Address Map.....................................................................................................................................78
Computer Interrupt Levels......................................................................................................................79
DMA Channel Assignment.....................................................................................................................79
PCI Configure Space Address Map.........................................................................................................79
CHAPTER 6 PASS / FAIL CRITERIA.................................................................................................81
APPENDIX A SERVICE NOTES..........................................................................................................83