Dell Dimension 900 Reference Guide - Page 110

System Board Devices, Mouse, at MMMM:SSSS

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Table C-2. System Messages (continued) Message Possible Cause Corrective Action Memory Error at MMMM:SSSS: OOOOh (R:xxxxh, W:xxxxh) One or more DIMMs may be faulty or improperly seated. See "System Memory" and "Reseating DIMMs" in Chapter 5. NVRAM checksum Error An NVRAM checksum error has occurred. Run the System Board Devices tests as described in "Running the Dell Diagnostics" in Chapter 3. See "Clearing NVRAM" in Appendix B. On Board Serial Port 1 Conflict(s) On Board Parallel Port Conflict(s) Onboard serial or parallel port address conflicts with an expansion card serial or parallel port. See "Resolving Software and Hardware Incompatibilities" in Chapter 4. On Board xxx ... Conflict(s) An onboard device has an IRQ, DMA, or I/O address conflict. See "Resolving Software and Hardware Incompatibilities" in Chapter 4. PCI Device Error An expansion card may be faulty or improperly installed. Turn off the computer and disconnect your system and devices from their electrical outlets. Remove both of the cards. (See "Expansion Cards" in Chapter 5.) Reconnect the computer and devices, and start the computer. If the message reappears, the expansion card may be malfunctioning. If the message does not appear, turn off the computer and reinsert the other card. Pointing Device Error Pointing Device Interface Error Pointing Device IRQ Conflict A cable or connector may be loose, or the mouse or keyboard/ mouse controller may be faulty. The IRQ setting of an expansion card or system board controller may be conflicting with onboard mouse controller. Check the keyboard connections or change the keyboard. Run the Mouse tests as described in "Running the Dell Diagnostics" in Chapter 3. See "Resolving Software and Hardware Incompatibilities" in Chapter 4. Resolve any mouse IRQ conflicts, and restart the computer. NOTE: The Glossary in the system Help defines abbreviations and acronyms. C-4 Dell Dimension 900 System Reference and Troubleshooting Guide

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C-4
Dell Dimension 900 System Reference and Troubleshooting Guide
Memory Error
at MMMM:SSSS:
OOOOh
(R:
xxxx
h,
W:
xxxx
h)
One or more DIMMs
may be faulty or improp-
erly seated.
See
“
System Memory
”
and
“
Reseating DIMMs
”
in
Chapter 5.
NVRAM
checksum
Error
An NVRAM checksum
error has occurred.
Run the
System Board Devices
tests as described in
“
Running
the Dell Diagnostics
”
in
Chapter 3. See
“
Clearing
NVRAM
”
in Appendix B.
On Board
Serial Port 1
Conflict(s)
On Board
Parallel Port
Conflict(s)
Onboard serial or paral-
lel port address conflicts
with an expansion card
serial or parallel port.
See
“
Resolving Software and
Hardware Incompatibilities
”
in
Chapter 4.
On Board
xxx
...
Conflict(s)
An onboard device has
an IRQ, DMA, or I/O
address conflict.
See
“
Resolving Software and
Hardware Incompatibilities
”
in
Chapter 4.
PCI Device
Error
An expansion card may
be faulty or improperly
installed.
Turn off the computer and discon-
nect your system and devices
from their electrical outlets.
Remove both of the cards. (See
“
Expansion Cards
”
in Chapter 5.)
Reconnect the computer and
devices, and start the computer.
If the message reappears, the
expansion card may be malfunc-
tioning. If the message does not
appear, turn off the computer and
reinsert the other card.
Pointing
Device Error
Pointing
Device
Interface
Error
Pointing
Device IRQ
Conflict
A cable or connector
may be loose, or the
mouse or keyboard/
mouse controller may be
faulty.
The IRQ setting of an
expansion card or
system board controller
may be conflicting with
onboard mouse
controller.
Check the keyboard connections
or change the keyboard. Run the
Mouse
tests as described in
“
Running the Dell Diagnostics
”
in
Chapter 3. See
“
Resolving
Software and Hardware Incom-
patibilities
”
in Chapter 4. Resolve
any mouse IRQ conflicts, and
restart the computer.
Table C-2.
System Messages
(continued)
Message
Possible Cause
Corrective Action
NOTE: The Glossary in the system Help defines abbreviations and acronyms.