IBM 6058, 6578, 6579, 6269, 6059, 6569, 6568, 6648, 6649 manual Keyboard

Keyboard

Note

If a mouse or other pointing device is attached, remove it to see if the error symptom goes away. If the symptom goes away, the mouse or pointing device is defective.

- Power-off the computer.

Disconnect the keyboard cable from the system unit.

Power-on the computer and check the keyboard cable connector on the system unit for the voltages shown.

All voltages are 5%.

Pin	Voltage (Vdc)
1	+ 5 . 0
2	Reserved
3	Ground
4	+ 5 . 0
5	+ 5 . 0
6	Reserved

65

43

21

ARE THE VOLTAGES CORRECT?

If YES, proceed to	.
If NO, continue with	.

Replace the system board.

On keyboards with a detachable cable, replace the cable. If the problem remains or if the cable is permanently attached to the keyboard, replace the keyboard. If the problem remains, replace the system board.

Printer

1.Make sure the printer is properly connected and powered on.

2.Run the printer self-test.

Chapter 3. Types 6058/6059/6269/6578/6579 107