
System Unit Repair 5-5
PCI/ISA Backboard Removal
Remove the PCI/ISA backboard from the system unit as follows.
1.
Remove the system unit cover and all expansion slot boards as previously de-
scribed.
2.
Remove the two screws that secure the backboard to the support bracket (see
Figure Section 5-8).
3.
Pull the backboard out from its connector on the system board and remove it
from the system. Be careful not to overflex the system board when you remove
the backboard.
Figure Section 5-8 PCI/ISA Backboard Screws
3 1/2-inch Diskette and Hard Disk Drive Removal
Remove the 3 1/2-inch diskette drive and 3 1/2-inch hard disk drive as follows.
1.
Remove the system unit cover as previously described.
2.
Unplug the diskette drive power cable and signal cable from the diskette drive.
3.
Unplug the hard disk drive power cable and signal cable from the hard disk drive.
Support Bracket
Srews
System Board
Connector
PCI/ISA
Backboard