Code
Cause
1-1-2
Microprocessor register failure
1-1-3
NVRAM read/write failure
1-1-4
ROM BIOS checksum failure
1-2-1
Programmable interval timer failure 3-3-1
1-2-2
DMA initialization failure
1-2-3
DMA page register read/write
failure
1-3
Video Memory Test failure
1-3-1 through 2-4-4 Memory not being properly
identified or used
3-1-1
Slave DMA register failure
3-1-2
Master DMA register failure
3-1-3
Master interrupt mask register
failure
4-2-3
Gate A20 failure
4-2-4
Unexpected interrupt in protected
mode
4-3-1
Memory failure above address
0FFFFh
4-3-3
Timer-chip counter 2 failure
4-3-4
Time-of-day clock stopped
Running the Dell™ IDE Hard Drive Diagnostics
The Dell IDE Hard Drive Diagnostics is a utility that tests the hard drive to troubleshoot or
confirm a hard drive failure.
1
Turn on your computer (if your computer is already on, restart it).
2
When F2= Setup appears in the upper-right corner of the screen, press <Ctr><Alt><D>.
3
Follow the instructions on the screen.
If a failure is reported, see "Hard Drive Problems" in the "Solving Problems" section of the online
User's Guide.
Code
Cause
3-1-4
Slave interrupt mask register failure
3-2-2
Interrupt vector loading failure
3-2-4
Keyboard Controller Test failure
NVRAM power loss
3-3-2
Invalid NVRAM configuration
3-3-4
Video Memory Test failure
3-4-1
Screen initialization failure
3-4-2
Screen retrace failure
3-4-3
Search for video ROM failure
4-2-1
No timer tick
4-2-2
Shutdown failure
4-4-1
Serial or parallel port test failure
4-4-2
Failure to decompress code to
shadowed memory
4-4-3
Math-coprocessor test failure
4-4-4
Cache test failure
Quick Reference Guide
23