Compaq EP Series - Manual (Page 80)

Compaq Deskpro EP Series of Personal Computers 4-37
4.17.2 Processor Guide Rails
1. Prepare the computer for disassembly (Section 4.2).
WARNING: Power is continuous to the system board and power supply even when the power
switch is turned off. To prevent damage to the unit, disconnect the power cord from the power
source or the unit before beginning disassembly procedures.
2. Lay the computer down on its large base for greater stability.
3. Remove the access panel (Section 4.6).
4. Remove the processor (Section 4.17.1).
5. Remove the system board from the chassis (Section 4.18).
6. Turn the system board over so the bottom side is up, then use a short, small diameter
screwdriver to press the push-pins out of the plastic Tufloks that secure the processor
rails to the system board.
Removing the Processor Rails