user manual

42 ASUS K7V-T User’s Manual
3. HARDWARE SETUP
Connectors
3. H/W SETUP
16) Serial Infrared Module Connector (5-pin IR)
This connector supports an optional wireless transmitting and receiving infrared
module. This module mounts to a small opening on system cases that support
this feature. You must also configure the setting through UART2 Use Infrared
in 4.4.2 I/O Device Configuration to select whether UART2 is directed for use
with COM2 or IrDA. Use the five pins as shown in Back View and connect a
ribbon cable from the module to the motherboard’s IR connector according to
the pin definitions.
0 1
0 1
0 1
K7V-T
®
K7V-T Infrared Module Connector
Front View
Back View
+5V
IRTX
IRRX
(NC)
GND
IR
+5V
IRRX
IRTX
GND
1
17) 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.
SMBCLK
Ground
SMBDATA
+5V
1
0 1
0 1
0 1
K7V-T
®
K7V-T SMBus Connector
SMB