Undetermined problem
Check the power supply voltages. See “Power supply” on
page 29. If the voltages are correct, return here and
continue with the following steps.
1. Power-off the computer.
2. Remove or disconnect the following, 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
Before removing or replacing memory modules,
see “System board memory” on page 60.
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
“Replacing a system board” on page 48.
102
IBM PC 300/IntelliStation/Aptiva Vol 2 HMM
Содержание 300 Series 6268
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Страница 120: ...Notes 110 IBM PC 300 IntelliStation Aptiva Vol 2 HMM...
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Страница 363: ...Bezel removal Top drive cage removal IntelliStation 6868 6878 353...
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Страница 450: ...IBM Part Number 09N8610 Printed in U S A S N 4 19 2...