2. If only one power supply is installed, turn off the server and peripheral devices
and disconnect all power cords. Meanwhile, if two power supplies are installed,
it is not necessary to turn off the server and peripheral devices and disconnect
all power cords.
3. Hold the power-supply handle and press the orange release latch to the left
simultaneously.
4. Press and hold the orange release tab to the left. Grasp the handle and pull the
power supply out of the server.
5. Release the latch and use other hand to provide support to the power supply
as you pull remaining portion out of the bay.
6. If you are instructed to return the power supply, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Replacing a hot-swap ac power supply
Use this information to replace a hot-swap ac power supply.
About this task
The following items describe the type of power supply that the server supports
and other information that you must consider when you install a power supply:
v To confirm that the server supports the power supply that you are installing, see
http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/.
v The server comes standard with one 750-watt or 900-watt hot-swap power
supply. The input voltage is 110 V ac or 220 V ac auto-sensing.
Note: You cannot mix 110 V ac and 220 V ac, or 750-watt and 900-watt power
supplies in the server, it is not supported.
v These power supplies are designed for parallel operation. In the event of a
power-supply failure, the redundant power supply continues to power the
system. The server supports a maximum of two power supplies.
v The server can run fully configured with one power supply. For redundancy
support, you must install the second hot-swap power supply.
Note: You cannot mix high-efficiency and non-high-efficiency power supplies in
the server.
Statement 5
Figure 114. Power supply removal
Chapter 6. Removing and replacing components 203
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