8.0 Keyboard
If the system has no response when the numeric keypad is used:
1. Disconnect the numeric keypad from the system.
2. Repeat the failing operation.
If the problem does not reappear, replace the numeric keypad. If
the problem still remains, replace the keyboard control card.
If that does not correct the problem, replace the system board.
Make sure that the two flexible cables extending from the keyboard are
properly attached to the connectors on the keyboard control card.
If you suspect a problem with any of the auxiliary input devices,
replace the device. If that does not correct the problem, replace the
keyboard control card. If this does not correct the problem, replace
the system board.
If the system has an incorrect keyboard response, replace the
following FRUs one at a time until the problem is corrected.
- Keyboard control card
- Keyboard
- System board.
Note: The following auxiliary input devices are available for Model CL57
SX.
- Numeric keypad
- Mouse.
IBM PS/2 Model CL57 SX HMS
Keyboard
¦ Copyright IBM Corp. 1992
8.0 - 1
