Dell OptiPlex GX260 - Manual (Page 164)

3-1-1 Slave DMA register failure Run the Dell Diagnostics .
3-1-2 Master DMA register failure Run the Dell Diagnostics .
3-1-3 Master interrupt mask register failure Contact Dell for technical assistance.
3-1-4 Slave interrupt mask register failure Contact Dell for technical assistance.
3-2-2 Interrupt vector loading failure Contact Dell for technical assistance.
3-2-4 Keyboard Controller Test failure Run the Dell Diagnostics .
3-3-1 NVRAM power loss Run the Dell Diagnostics .
3-3-2 NVRAM configuration Run the Dell Diagnostics .
3-3-4 Video Memory Test failure Run the Dell Diagnostics .
3-4-1 Screen initialization failure Run the Dell Diagnostics .
3-4-2 Screen retrace failure Run the Dell Diagnostics .
3-4-3 Search for video ROM failure Run the Dell Diagnostics .
4-2-1 No time tick Contact Dell for technical assistance.
4-2-2 Shutdown failure Contact Dell for technical assistance.
4-2-3 Gate A20 failure Contact Dell for technical assistance.
4-2-4 Unexpected interrupt in protected mode Contact Dell for technical assistance.
4-3-1 Memory failure above address 0FFFFh Run the Dell Diagnostics .
4-3-3 Timer-chip counter 2 failure Contact Dell for technical assistance.
4-3-4 Time-of-day clock stopped Contact Dell for technical assistance.
4-4-1 Serial or parallel port test failure Run the Dell Diagnostics .
4-4-4 Cache test failure Run the Dell Diagnostics .
Card Problems
Fill out the Diagnostics Checklist as you complete these checks.
CAUTION: Before you perform this procedure, see " CAUTION: Safety Instructions ."
Check the card seating and cables
1. Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds,
and open the computer cover.
2. Ensure that each card is firmly seated in its connector. Reseat any loose cards.
3. Ensure that all cables are firmly connected to their corresponding connectors on the cards. If any cables
appear loose, reconnect them.
For instructions on which cables should be attached to specific connectors on a card, see the card's
documentation.
4. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on.
Test the video card
1. Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds,
and open the computer cover.
2. Remove all cards except the video card.
If your primary hard drive is connected to a drive controller card and not to one of the system board
IDE connectors, leave the drive controller card installed in the computer.
3. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on.