Note: If the grease is properly applied, approximately half of the grease will
remain in the syringe.
6. Install the heat sink onto the microprocessor as described in 9 on page 99.
Installing a 1400-watt or 900-watt hot-swap power supply
This information provides instructions on how to install a 1400-watt or 900-watt
hot-swap power supply.
About this task
The following notes describe the type of power supply that the server supports
and other information that you must consider when you install a hot-swap 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 900-watt (input voltage 110 or 220 V ac
auto-sensing) hot-swap power supply or one 1400-watt hot-swap power supply
(input voltage 110 or 220 V ac auto-sensing) depending on your model.
Note: Do not mix 110 V ac and 220 V ac input voltage power supplies in the
server. It is not supported.
v Do not mix 900-watt and 1400-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 Full N+N redundacy support is provided by two 1400-watt power supplies fed
from a 220 V input source.
v Limited N+N redundancy support is provided by two 900-watt power supplies
fed from either a 110 V or 220 V input source, or by two 1400-watt power
supplies fed from a 110 V source.
v For the server to support two power supplies, you must install the optional IBM
Power Interposer for Redundant Power option or the optional IBM
Microprocessor and Memory Expansion Tray, if one is not installed in your
model.
Statement 5
CAUTION:
The power control button on the device and the power switch on the power
supply do not turn off the electrical current supplied to the device. The device
also might have more than one power cord. To remove all electrical current from
the device, ensure that all power cords are disconnected from the power source.
102 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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