Undetermined problem
Check the power supply voltages. See “Power supply” on
page 241. 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. Memory modules
Before removing or replacing memory modules,
see “System board memory” on page 271.
e. Extended video memory
f. External Cache
g. External Cache RAM
h. Hard disk drive
i. 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 258.
304
IBM PC 300/IntelliStation/Aptiva Vol 2 HMM
Summary of Contents for Aptiva
Page 2: ......
Page 8: ...vi IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 72: ...Input Output connectors 1 1 2 2 62 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 74: ...Front bezel EMC shield 64 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 87: ...System board layout 321 31 PC 300 6268 6278 6288 6338 Aptiva 2173 77 ...
Page 123: ...Notes PC 300 6268 6278 6288 6338 Aptiva 2173 113 ...
Page 180: ...Front bezel EMC shield 170 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 186: ...System board layout 176 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 228: ...Notes 218 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 242: ...232 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 245: ...Parts listing 315 Special tools 318 PC 300 6565 6566 235 ...
Page 289: ...System board layout 12345678 OFF OFF 1234 PC 300 6565 6566 279 ...
Page 323: ...Notes PC 300 6565 6566 313 ...
Page 373: ...Bezel removal Top drive cage removal IntelliStation 6868 6878 363 ...
Page 377: ...System board layout 123 123 33 34 32 35 31 37 36 IntelliStation 6868 6878 367 ...
Page 412: ...Notes 402 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 418: ...408 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 427: ...Related Service Information 417 ...
Page 428: ...418 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 429: ...Related Service Information 419 ...
Page 439: ...Related Service Information 429 ...
Page 440: ...430 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 462: ...452 IBM PC 300 IntelliStation Aptiva Vol 2 HMM ...
Page 463: ......
Page 464: ...IBM Part Number 09N8610 Printed in U S A S N 4 19 2 ...