Asus P I-P65UP8 CP6ND User Manual page 29

III. INSTALLATION
11. ASUS System Monitoring Module Connector (20-1 pin SERVER_CON)
This connector is for an optional ASUS System Monitoring Module for moni-
toring system temperature and fan RPM.
Server Connector
12. Chassis Open Alarm Connector (4-1 pin CHASSIS)
This connector is for an optional ASUS System Monitoring Module for moni-
toring chassis open/close status. A high level signal to the chassis signal lead
will indicate to the system that the chassis has been opened.
Chassis Connector
ASUS P/I-P65UP8 User's Manual
Pin 1
Power (+3V/+5V)
Chassis Signal
Ground
For the chassis open alarm feature to work, you must connect
the optional ASUS Server Managment Module to these pins.
The +5V power comes from the power supply, when the A/C
is connected. With the A/C power disconnected, the +3V power
comes from the onboard button cell battery.
29