Table 4-2. Dell Diagnostics Tests - Dell Latitude LM Reference And Troubleshooting Manual

Test Groups
RAM
System Set
Video
Keyboard
Mouse
Diskette Drives
Hard-Disk Drives
(Non-SCSI)
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 Latitude LM Reference and Troubleshooting Guide

Table 4-2. Dell Diagnostics Tests

Subtests
Quick Test
Comprehensive Test
CMOS Confidence Test
DMA Controller Test
Real-Time Clock Test
System Speaker Test
Secondary Cache Test
System Timers Test
Interrupt Controller Test
Coprocessor Calculation Test
Coprocessor Duty Cycle Test
Coprocessor Error Exception Test
PC Card Controller Test
Video Memory Test
Video Hardware Test
Text Mode Character Test
Text Mode Color Test
Text Mode Pages Test
Graphics Mode Test
Color Palettes Test
Solid Colors Test
Keyboard Controller Test
Keyboard Key Sequence Test
Keyboard Interactive Test
Stuck Key Test
Mouse Test
Change Line Test
Seek Test
Read Test
Write Test
Disk Controller Test
Forced Error-Correction-Code Test
Seek Test
Read Test
Write Test
Description
Tests the RAM.
Tests the system board's support chips,
DMA controller, computer timer,
NVRAM, speaker controller, and, if
appropriate, the external cache and the
thermal-control device.
Tests the math coprocessor that is inter-
nal to the microprocessor.
Tests the PC Card controller on the sys-
tem board.
Tests the monitor by checking various
aspects of video output.
Tests the keyboard by checking the key-
board controller and by finding keys that
stick or respond incorrectly.
Tests the electronic pointing device
(integrated touch pad, external serial or
PS/2 mouse).
Tests a drive that uses removable dis-
kettes. Also tests the associated control-
ling devices and important parts of the
cabling.
Tests a drive that uses fixed, internal
disks. Also tests the associated control-
ling devices.