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42 ASUS P3W User’s Manual
Connectors
3. H/W SETUP
3. HARDWARE SETUP
17) Internal Microphone Connector (3 pin INT MIC)
This connector allows you to connect a chassis mounted microphone to the
motherboard instead of having to attach an external microphone to the ATX
connectors.
10101
®
P3W
P3W Internal Microphone Connector
MIC Power
13
MIC Input
Ground
INT
MIC
18) SMBus Connector (5-1 pin SMB)
This connector allows you to connect SMBus (System Management Bus) de-
vices. SMBus devices communicate by means of the SMBus with an SMBus
host and/or other SMBus devices. SMBus is a specific implementation of an I
2
C
bus, which is a multi-device bus; that is, multiple chips can be connected to the
same bus and each one can act as a master by initiating data transfer.
10101
®
P3W
SMBCLK
Ground
SMBDATA
+5V
1
P3W SMBus Connector
SMB