32
Gateway ALR 9250R User’s Guide
Miscellaneous connectors
The system board supports a variety of connectors for many functions.
Many of these connectors are described in this section.
Hard drive input LED connector
This connector allows you to connect a cable from an add-in hard disk
controller to the system board to allow the add-in controller to activate the
hard drive activity LED on the control panel.
System speaker connector
Connects the internal speaker to the system board. This connector is not
used in this configuration.
Wake-on-LAN technology connector
The wake on local area network (LAN) technology connector allows you to
connect a magic packet-enabled LAN adapter to the system board to
support wake on LAN functionality. Wake on LAN functionality allows a
system in power conservation mode to be awakened by an incoming
message on the network.
Front panel connector
The front panel connector provides the signals for the front cover indicator
LEDs and the front cover buttons.These signals pass through an auxiliary
board installed on the right side of the chassis connected to the system
board through a 30-wire ribbon cable. The auxiliary board supports an
alarm buzzer and connects to the power-on switch and LED and a small
LED/switch board that supports the hard drive activity LED, the power
supply fault LED, the system reset switch, and the power supply fault reset
switch.
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