Table of Contents
Digital DECpc LPv/LPv+
4
MCS Logistics Engineering - Nijmegen
R
EMOVAL
P
ROCEDURES
.....................................................................................................................................37
Removing a 5¼-Inch FDD .............................................................................................................................37
Removing a 3½-Inch FDD .............................................................................................................................38
Removing the Mounting Adapter ..................................................................................................................39
Removing the Internal Mounting Tray..........................................................................................................40
Removing the IDE Disk Drive from Mounting Tray ...................................................................................41
Removing the Main Logic Board ..................................................................................................................42
Main Logic Board Connections .....................................................................................................................42
Removing the Power Supply .........................................................................................................................43
Removing the Filler Panels ............................................................................................................................44
I
NSTALLATION
P
ROCEDURES
.............................................................................................................................45
Installing External Cache Memory ................................................................................................................45
Installing a Higher Performance CPU ...........................................................................................................47
R
EPLACEMENT
P
ROCEDURES
.............................................................................................................................48
Replacing the Computer Battery/Real Time Clock (RTC) ..........................................................................48
C
ONNECTING
D
ISKETTE AND
IDE D
EVICES
......................................................................................................49
C
ONNECTING
SCSI D
EVICES
..............................................................................................................................49
CHAPTER 4 TROUBLESHOOTING..........................................................................................................51
I
NITIAL
T
ROUBLESHOOTING
...............................................................................................................................51
B
EEP
C
ODES
.........................................................................................................................................................52
Beep Codes for Fatal Errors ...........................................................................................................................52
Beep Codes for Non-Fatal Errors ..................................................................................................................53
POST
AND
B
OOT
M
ESSAGES
..............................................................................................................................53
C
OMPUTER
T
ROUBLESHOOTING
........................................................................................................................55
D
ISK
D
RIVE
T
ROUBLESHOOTING
.......................................................................................................................57
M
ONITOR
T
ROUBLESHOOTING
...........................................................................................................................58
QAPlus/FE Error Messages ...........................................................................................................................59
CHAPTER 5 DEVICE MAPPING................................................................................................................61
Computer Memory Map.................................................................................................................................61
I/O Address Map.............................................................................................................................................62
Computer Interrupt Levels .............................................................................................................................63
DMA Channel Assignment ............................................................................................................................63
CHAPTER 6 PASS / FAIL CRITERIA........................................................................................................65
APPENDIX A SERVICE NOTES .................................................................................................................67
APPENDIX B USEFUL INFORMATION...................................................................................................69
R
ELATED
D
OCUMENTATION
...............................................................................................................................69
O
N
-L
INE
B
ULLETIN
B
OARDS
..............................................................................................................................69
DOCUMENT FEEDBACK ..............................................................................................................................71
PERSONAL NOTES .........................................................................................................................................73
READERS COMMENTS....................................................................................................................................77
