Dell 3000 manual 2. Dell Diagnostics Tests

Table 4-2. Dell Diagnostics Tests

Test Groups	Subtests	Description
RAM	Quick Test	Tests the RAM.
	Comprehensive Test
System Set	CMOS Confidence Test	Tests the system board’s support chips,
	DMA Controller Test	DMA controller, computer timer,
	Real-Time Clock Test	NVRAM, speaker controller, and, if
	System Speaker Test	appropriate, the external cache and the
	Secondary Cache Test	thermal-control device.
	System Timers Test
	Interrupt Controller Test
	Coprocessor Calculation Test	Tests the math coprocessor that is inter-
	Coprocessor Error Exception Test	nal to the microprocessor.
	PC Card Controller Test	Tests the PC Card controller on the sys-
		tem board.
	USB Register Test	Checks the built-in registers of the USB
		interface. This subtest does not test USB
		peripherals.
Video	Video Memory Test	Tests the monitor by checking various
	Video Hardware Test	aspects of video output.
	Text Mode Character Test
	Text Mode Color Test
	Text Mode Pages Test
	Graphics Mode Test
	Color Palettes Test
	Solid Colors Test
Keyboard	Keyboard Controller Test	Tests the keyboard by checking the key-
	Keyboard Key Sequence Test	board controller and by finding keys that
	Keyboard Interactive Test	stick or respond incorrectly.
	Stuck Key Test
Mouse	Mouse Test	Tests the electronic pointing device
		(integrated touch pad, external serial or
		PS/2 mouse).
Diskette Drives	Change Line Test	Tests a drive that uses removable
	Seek Test	diskettes. Also tests the associated con-
	Read Test	trolling devices and important parts of
	Write Test	the cabling.

NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User’s Guide .

4-10 Dell Inspiron 3000 Reference and Troubleshooting Guide