Dell 900 manual Xxx

Table C-2. System Messages (continued)

Message	Possible Cause	Corrective Action
Memory Error	One or more DIMMs	See “System Memory” and
at MMMM:SSSS:	may be faulty or improp-	“Reseating DIMMs” in
OOOOh	erly seated.	Chapter 5.
(R:xxxxh,
W:xxxxh)
NVRAM	An NVRAM checksum	Run the System Board Devices
checksum	error has occurred.	tests as described in “Running
Error		the Dell Diagnostics” in
		Chapter 3. See “Clearing
		NVRAM” in Appendix B.
On Board	Onboard serial or paral-	See “Resolving Software and
Serial Port 1	lel port address conflicts	Hardware Incompatibilities” in
Conflict(s)	with an expansion card	Chapter 4.
On Board	serial or parallel port.
Parallel Port
Conflict(s)
On Board	An onboard device has	See “Resolving Software and
xxx ...	an IRQ, DMA, or I/O	Hardware Incompatibilities” in
Conflict(s)	address conflict.	Chapter 4.
PCI Device	An expansion card may	Turn off the computer and discon-
Error	be faulty or improperly	nect your system and devices
	installed.	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	A cable or connector
Device Error	may be loose, or the
Pointing	mouse or keyboard/
	mouse controller may be
Device	faulty.
Interface
Error	The IRQ setting of an
Pointing	expansion card or
	system board controller
Device IRQ	may be conflicting with
Conflict	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.

NOTE: The Glossary in the system Help defines abbreviations and acronyms.

C-4 Dell Dimension 900 System Reference and Troubleshooting Guide