Dell Latitude CPi A-Series User Manual page 191

After you are satisfied with the limits, press <Page Down> to select the next menu or submenu in the Test
Limits category. Press <Esc> to return to the main Test Limits menu. The values you selected under Test
Limits remain in effect until you change them or exit the diagnostics. The values are reset to their defaults
when you restart the diagnostics.
About
About in the Main menu displays information about the highlighted test group, such as limits and parameters
and how to set them.
Key-Help
Key-Help displays a list of key controls available for the selected option.
Quit
Select Quit from the Main menu (or press <q>) to exit the diagnostics and return to an MS-DOS prompt.
After you return to the operating system environment, remove your diagnostics diskette from drive A and
reboot the computer.
CAUTION: It is important that you quit the diagnostics program correctly, because the program
writes data to the computer's memory that can cause problems unless properly cleared.
Tests in the Dell Diagnostics
The diagnostics is organized by components into test groups and subtests within each test group. Each
subtest is designed to detect any errors that may interfere with the normal operation of a specific device of
the computer.
NOTE: Any subtest requiring hardware not listed in the System Configuration area appears to run,
but the subtest concludes with a status message stating Component not available.
Table 2 list the diagnostic test groups, their subtests, and comments concerning their use.
Table 2. Dell Diagnostics Tests
Test Groups
RAM
System Set
Subtests
Quick Test
Comprehensive Test
Secondary Cache Test
CMOS Confidence Test
DMA Controller Test
Real-Time Clock Test
System Speaker Test
System Timers Test
Interrupt Controller 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.