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34 ASUS P5A User’s Manual
III. INSTALLATION
Connectors
III. INSTALLATION
25. SMBus Connector (5-1 pin SMB)
This connector allows you to connect SMBus devices. SMBus devices commu-
nicate by means of the SMBus with an SMBus host and/or other SMBus de-
vices. The SMBus or System Management Bus is a specific implementation of
an I
2
C bus, which is a multi-master bus, that is, multiple chips can be connected
to the same bus and each one can act as a master by initiating data transfer.
R
P5A SMBus Connector
SMBCLK
Ground
SMBDATA
+5V
1
26. Power Supply Temperature External Connector (5-1 pin SMB)
This connector allows you to connect a compatible heat sensor to monitor the
power supply temperature.
R
P5A Power Supply Temperature External Connector
TRPWR