Dell OptiPlex GXa, Руководство по обслуживанию

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Basic Troubleshooting 2-7
6. Using the arrow keys, highlight Dell N 5XXX Diagnostics and press
<Enter>.
7. Select Run Once or Loop Continuously to begin the tests.
The tests continue to run until an error is encountered. When an error is
reported, you have the option of stopping or continuing the tests. When the
tests are completed or stopped, the total number of errors is reported; there
is no error log.
The server-based diagnostics consists of the following test groups:
•
Coprocessor Tests — Check the math coprocessor’s numerical calculation
and error-handling abilities
•
CMOS Confidence Test — Checks the NVRAM for accessibility and reli-
ability of data storage
•
DMA Controller Test — Checks correct operation of the DMA controller
•
Timers Test — Checks the timers used by the microprocessor
•
RTC Test — Confirms the functionality and accuracy of the computer’s
RTC
•
PIC Test — Generates an interrupt on each IRQ line to verify interrupt con-
troller operation
•
Speaker Test — Checks the functionality of the speaker by generating tones
•
Video Tests — Verify proper operation of the video controller and the video
control circuitry
•
USB1 Tests — Check the USB interface registers and the USB controller
•
Serial Port 1 Tests — Check the computer’s interface with external devices
connected through serial port 1
•
Serial Port 2 Tests — Check the computer’s interface with external devices
connected through serial port 2
•
Parallel Port 1 Test — Checks several internal functions of the parallel port
•
Mouse Test — Checks the functionality of the mouse controller and the
operation of the mouse keys
•
Keyboard Tests — Verify the correct operation of the keyboard and the key-
board controller chip
•
Disk 0 Tests — Check the hard-disk drive controller and the storage capa-
bility of the hard-disk drive
For a complete description of the server-based diagnostics, see “Server-Based
Diagnostics” in the online Network Administrator’s Guide.
Hard-Disk
–
Based Diagnostics (Net PC Systems Only)
The hard-disk–based diagnostics contains tests that aid in troubleshooting all
major components of the computer. If it is not possible to run the server-based
diagnostics, or if the server-based diagnostics fails to reveal the source of a