Removal and replacement procedures 66
Power supply unit
Located on the rear panel of the server is a single standard autoranging 300W power supply unit
(PSU).
PSU replacement warnings
Observe the following reminders to reduce the risk of personal injury from electric shock hazards
and/or damage to the equipment
• Installation of the power supply unit should be referred to individuals who are qualified to service
server systems and are trained to deal with equipment capable of generating hazardous energy
levels.
• DO NOT open the power supply unit. There are no serviceable parts inside it.
To replace the power supply unit:
1. Perform the pre-installation procedure.
2. Remove the default power supply unit.
a. Disconnect the power cables from the system board (1).
Disconnect the power cables from the system drives.
See
page 36 for an illustration of these cable connections.
b. While supporting the power supply unit with one hand, remove the four PSU screws from the
rear panel (
2).
c. Remove the power supply unit from the chassis (3).
