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- 27 - Hardware Installation Process
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15) IR_CIR
Make sure the pin 1 on the IR device is aling with pin one the connector. To enable the
IR/CIR function on the board, you are required to purchase an option IR/CIR module. For detail
information please contact your autherized Giga-Byte distributor.
To use IR function only, please connect IR module to Pin1 to Pin5.
1
Pin No. Definition
1 VCC
2NC
3 IRRX
4 GND
5 IRTX
6NC
7 CIRRX
8 VCC
9 CIRTX
10 NC
16)F_ USB1 / F_USB2(Front USB Connector, Yellow )
Be careful with the polarity of the front USB connector. Check the pin assignment while you
connect the front USB cable. Please contact your nearest dealer for optional front USB
cable.
1
Pin No. Definition
1 Power
2 Power
3 USB DX-
4 USB Dy-
5 USB DX+
6 USB Dy+
7 GND
8 GND
9 No Pin
10
USB Over Current
5
6
10
2
9
10