Dell 170L Running the Dell IDE Hard Drive Diagnostics, Code Cause Microprocessor register failure

Code	Cause	Code	Cause
1-1-2	Microprocessor register failure	3-1-4	Slave interrupt mask register failure
1-1-3	NVRAM read/write failure	3-2-2	Interrupt vector loading failure
1-1-4	ROM BIOS checksum failure	3-2-4	Keyboard Controller Test failure
1-2-1	Programmable interval timer failure	3-3-1	NVRAM power loss
1-2-2	DMA initialization failure	3-3-2	Invalid NVRAM configuration
1-2-3	DMA page register read/write	3-3-4	Video Memory Test failure
	failure
1-3	Video Memory Test failure	3-4-1	Screen initialization failure
1-3-1 through 2-4-4	Memory not being properly	3-4-2	Screen retrace failure
	identified or used
3-1-1	Slave DMA register failure	3-4-3	Search for video ROM failure
3-1-2	Master DMA register failure	4-2-1	No timer tick
3-1-3	Master interrupt mask register	4-2-2	Shutdown failure
	failure
4-2-3	Gate A20 failure	4-4-1	Serial or parallel port test failure
4-2-4	Unexpected interrupt in protected	4-4-2	Failure to decompress code to
	mode		shadowed memory
4-3-1	Memory failure above address	4-4-3	Math-coprocessor test failure
	0FFFFh
4-3-3	Timer-chip counter 2 failure	4-4-4	Cache test 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.

1Turn on your computer (if your computer is already on, restart it).

2When F2= Setup appears in the upper-right corner of the screen, press <Ctr><Alt><D>.

3Follow 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.

Quick Reference Guide

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