IBM Aptiva 2159, Руководство пользователя

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(continued)
Check the power supply voltages (see “Power Supply” on page 2-35). If the
voltages are correct, return here and continue with the following steps:
1. Power-off the system unit.
2. Perform the following checks, one by one, until you have isolated the
problem FRU (refer to “Parts/Test Point Locations” on page 5-1 for
locations):
Ÿ
Check all system board jumper positions.
Ÿ
Check all adapter card jumper positions.
Ÿ
Check all adapter card switch settings.
Ÿ
Check all device jumper positions.
Ÿ
Check all cables and connectors for proper installation.
Ÿ
Check the Access Station cable for proper installation.
If the jumpers, switch settings, and voltages are correct, return here and
continue:
3. Remove or disconnect the following, one at a time:
a. Non-IBM devices
b. External devices
c. Mwave/Sound adapter card
d. Access Station cable
e. Any adapters
f. Modem card, if installed
g. Riser card
h. SIMMs
i. Zip Drive, if installed
j. CD-ROM drive
k. Diskette drive
l. Hard disk drive
4. Power-on the system unit.
Note: If you have removed the Access Station cable, you can
power-on the system unit by pressing the on/off switch located
on the rear of the Access Station host card. For more
information, see “Access Station Drive Devices” on page 2-46.
5. Repeat steps 1 through 4 until you find the failing device or adapter.
If the symptom changes, go to “Index of Symptoms, Messages, Error Codes,
or Beeps” on page 2-9 or to the check procedure for the last item tested.
Replace the last item tested if the system operates normally after removing
the last item.
Note: If you are unable to find a check procedure that corresponds to the
device or error code, you either have an IBM device with its own
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