HP 800 G1 E1Z88UT#ABA, E1Z84UT E1Z84UT#ABA, 800 G1 E1Z89UTABA, 800 G1 E3T09UT#ABA Pwrcpu Pwrcmd PWR

Power supply

Description	Spare part number
Power supply, 92% efficient	702455-001
Power supply, 90% efficient	702456-001
Power supply, standard	702457-001

WARNING! To reduce potential safety issues, only the power supply provided with the computer, a replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be used with the computer.

The power supply is located at the rear of the chassis. It is held in place by three Torx screws outside of the chassis and a release lever inside of the chassis.

WARNING! Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer.

1.Prepare the computer for disassembly (Preparation for disassembly on page 94).

2.Remove the access panel (Access panel on page 95).

3.Rotate the drive cage to the upright position.

4.Disconnect all power cables from the following system board connectors:

●PWRCPU

●PWRCMD

●PWR

Power supply 121