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User Guide
32
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Degradation Feature
The degradation feature automatically isolates a failed DIMM or processor to assure
continuous operation of the server when the POST (Power On Self-Test, self-diagnosis
program after power on) detects such a DIMM or processor.
Note: The degradation feature is only available when at
least two DIMMs or processors are installed.
Failed DIMMs and processors may be identified on the screen that the POST displays,
or with the BIOS setup utility of the server, "SETUP." They may also be identified on
the system that has the NEC ESMPRO installed.
Memory RAS Features
Your server board has memory mirroring and online spare memory features. For more
information see
“Using the Memory RAS Features” on page 183 .
Remote Power-On Feature (Wake On LAN)
The remote power-on function turns on the server through a network. It sends a special
packet from the management computer to a remote server to turn it on if the server is
off-powered.
To enable this feature, use the BIOS setup utility, "SETUP." (See “BIOS Setup Utility”
on page 63 .)
The remote power-on feature is not available in the following cases. Press the POWER
switch once to start the OS, and turn off the server in an appropriate procedure.
■
Abnormal previous system shut-down
■
No power supply to the server (due to turned-off breaker, disconnected power cord,
power blackout, etc.)
AC-Link Feature
When the power cord of the server is connected to an uninterruptible power supply
(UPS) unit, the server supports the power linkage feature that enables control over the
power supply from the UPS to the server. The AC-Link feature can be enabled or
disabled with the Server menu of the BIOS setup utility, "SETUP." (See
“BIOS Setup
Utility” on page 63 .)