Ibm 8317 Uživatelský manuál stáhnout pdf (Strana 83)

Undetermined problems

Check the power supply voltages (see “Power Supply Errors” on page 37). If the

voltages are correct, return here and continue with the following steps.

1. Power-off the computer.

2. Remove or disconnect the following components (if installed) one at a time.

a. Non-IBM devices

b. External devices (modem, printer, or mouse)

c. Any adapters

d. Riser card

e. Memory modules

f. Extended video memory

g. External Cache

h. External Cache RAM

i. Hard disk drive

j. Diskette drive

3. Power-on the computer to re-test the system.

4. Repeat steps 1 through 3 until you find the failing device or adapter.

If all devices and adapters have been removed, and the problem continues, replace

the system board (see “System board” on page 34).

Chapter 7. Symptom-to-FRU Index 77

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 151 152

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Ibm 8317 Uživatelský manuál Strana 83