Undetermined Problem - IBM PS/2 60 Hardware Maintenance Service

4.0 Undetermined Problem

1. Power-off the system.
2. Remove or disconnect one of the following adapters or devices:
Non-IBM devices
Any external device (modem, printer, or mouse)
Any adapter
Fixed disk or diskette drive
Memory module kits
Math coprocessor.
3. Power on the system.
4. If the symptom remains, repeat steps 1, 2, and 3 until you find the
failing adapter or device.
5. If all adapters and devices have been removed and the problem remains,
check the power supply voltages.
the system board.
supply.
IBM PS/2 Model 60 HMS
Undetermined Problem
If the voltages are correct, replace
If the voltages are not correct, replace the power
4.0 - 1