2-12 General Description
SYSTEM FUNCTIONS
The following subsections describe system functions.
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.
Failed DIMMs and processors may be identified on the screen that the POST displays, or with the
BIOS setup utility, "SETUP." They may also be identified on the system that has the NEC
ESMPRO installed.
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 Chapter 4.)
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 Chapter 4.)
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