IBM 7012 Personal Computer User Manual


 
Removal and Replacement Procedures 3-29
Removal
1. Set the power switches of all attached devices to Off.
2. Set the power switch of the system unit to Off and unplug the external cable.
3. Unplug the external power cables to the attached devices.
4. If the system unit has a rear cover, do the rear cover removal procedure on page 3-3.
5. Disconnect the device signal cable from the adapter.
6. If the device has one or more toroids, refer to “Toroids” on page 3-57.
Power
Tablet
Parallel Port
Keyboard
Mouse
Serial 1 Serial 2
Plate (not on all models)
External
Diskette
(Optional)
Models 320, 32E, 32H (Later System Units):
Adapter Positions
1234
Power
Ethernet
SCSI Port
Tablet
Serial 1
Serial 2
Parallel Port
Keyboard
Mouse
Models 340, 34H,350, 355, 360/36T, 365, 370/37T, 375:
Adapter Positions
12 34
Power
Tablet
Parallel Port
Keyboard
Mouse
Adapter Positions
Ethernet
SCSI PortSerial 1 Serial 2
S 1 S2
P
Models 380, 390, 39H, and 397
1 234
Replacement
Replace in the reverse order.