IBM System x3650 M3 4255 Service Manual page 245

– You can enable the power capping feature in the Setup utility to control and
monitor power consumption in the server (see "Setup utility menu choices" on
page 256)
The following table lists the system status when you install 460-watt power
supplies in the server:
Table 20. System status with 460-watt power supplies installed
Total system power
Number of 460-watt power supplies installed
consumption (in
watts) One
< 400 Normal
400 ~ 460 Normal, status
warning
> 460 System shutdown
v Power supply 1 is the default/primary power supply. If power supply 1 fails, you
must replace the power supply immediately.
v You can order an optional power supply for redundancy.
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 For instructions on how to install a hot-swap dc power supply, refer to the
documentation that comes with the dc power supply.
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.
Statement 8:
Two
Normal, redundant
power
Normal, redundant
power
Normal
Chapter 5. Removing and replacing server components
Two with one failure
Normal
Normal, status
warning
System shutdown
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