HP Elite 8300 HP Compaq Business PC Maintenance and Service Guide Elite 8300 S - Page 210

Power Supply Description Power supply, 90% efficient Power supply, standard Spare part number 613762-001 613763-001 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 rotating power supply is located at the rear of the chassis. It is held in place by a bracket - no screws are used. 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 160). 2. Remove the access panel (Access Panel on page 161). 3. Rotate the drive cage up and disconnect the power cables from all of the drives. 4. Disconnect all power cables from the system board as follows: ● clear 4-pin PWRCPU ● clear 6-pin PWR ● white 6-pin PWRCMD 5. Rotate the power supply to its full upright position. 6. Release the power supply cables from the cable retaining clip under the drive cage. Power Supply 199