Asus RS120-E4/PA4 - Manual (Page 39)

2-23 ASUS RS120-E4/PA4
2.8.4. Power.supply.module
To uninstall the power supply module:
1. Disconnect all the power cables
connected to the motherboard and
other system devices.
2. Use a Phillips (cross) screwdriver
to remove the screws that secure
the front end of the power supply.
4. Slide the power supply forward for
about half an inch, then carefully lift
it out from the chassis.
3. From the rear panel, remove two
screws that secure the power
supply from the chassis.