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5-16 Desktop Repair
5.
Remove the four screws holding the power supply to the system unit.
6.
Slide the power supply toward the system board to release the two tabs at the
front, then lift it out of the system unit.
Figure Section 5-16 Power Supply Screws
System Board Removal
Use the following procedure to remove the system board.
1.
Remove the following components as previously described.
n
top cover
n
3 1/2-inch drive bracket
n
expansion slot boards
n
PCI/ISA-Bus backboard
n
SIMMs installed on the system board
2.
Remove and label all cables connected to the system board. Figure Section 5-17
provides the connector locations and Table Section 5-2 identifies the connector.
Appendix A provides the pin assignments for each connector.
Power Supply
Screws
1 of 2
Tabs