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Power Supply

Description Spare part number

Power supply, 300W 656721-001

Power supply, 250W, PFC 508466-001

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.

NOTE: When installing a new power supply, be sure to set the red switch to the setting (230 V or

115 V) appropriate for the country in which the computer is used. Spare power supplies normally

arrive set for 230 V.

1. Prepare the computer for disassembly (Preparation for Disassembly on page 42).

2. Remove the access panel (

Access Panel on page 43).

3. Lay the computer on its side with the rear facing toward you.

4. Disconnect all power cables from the mass storage devices and from the system board. The

following image points out power connectors in a system with one hard drive and one optical

drive. System configuration may vary.

Figure 7-47 Power supply connectors and cables

Power Supply 89

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HP Pro 3380 Spezifikationen Seite 99