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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 85).
2. Remove the access panel (Access panel on page 86).
3. Rotate the drive cage to the upright position.
4. Disconnect all power cables from the following system board connectors:
PWRCPU
PWRCMD
PWR
112 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF)