Asus P5A-B User Manual page 31

III. INSTALLATION
13. Message LED Lead (MSG.LED, 2 pins)
This indicates whether a message has been received from a fax/modem. The
LED will remain lit when there is no signal and blink when there is data transfer
or messages waiting in the inbox. This function requires ACPI OS support.
14. ATX Power Switch/Soft Power Switch Lead (PWR.SW., 2 pins)
The system power can be controlled by a momentary switch connected to this
lead. Pushing the button once will switch the system between ON and SLEEP.
Pushing the switch while in the ON mode for more than 4 seconds will turn the
system off. The system power LED shows the status of the system's power.
15. Reset Switch Lead (RESET, 2 pins)
This 2-pin connector connects to the case-mounted reset switch for rebooting
your computer without having to turn off your power switch This is a preferred
method of rebooting in order to prolong the life of the system's power supply.
16. System Power LED Lead (PWR.LED, 3 pins)
This 3-pin connector connects the system power LED, which lights when the
system is powered on and blinks when it is in sleep mode.
17. Keyboard Lock Switch Lead (KEYLOCK, 2 pins)
This 2-pin connector connects to the case-mounted key switch to allow key-
board locking.
18. Speaker Connector (SPEAKER, 4 pins)
This 4-pin connector connects to the case-mounted speaker.
P5A-B System Panel Connectors
Message
LED
ATX Power
Switch*
Reset SW
Requires an ATX power supply, optional ATX to
*
AT power connector adapter, and a momentary
switch button.
ASUS P5A-B User's Manual
+5V
Power LED &
NC
+5V
GND
GND
LOCK
Keyboard Lock
GND
+5V
GND
Speaker
GND
Connector
GND
SPKR
GND
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