Gigabyte 8I845GVM-RZ User Manual page 18

15) COMB (COM B Connector)
Be careful with the polarity of the COMB connector. Check the pin assignment carefully while you
connect the COMB cable, incorrect connection between the cable and connector will make the
device unable to work or even damage it. For optional COMB cable, please contact your local
dealer.
16) IR
Make sure the pin 1 on the IR device is aling with pin one the connector. To enable the IR function
on the board, you are required to purchase an option IR module. Be careful with the polarity of the
IR connector. Check the pin assignment carefully while you connect the IR cable, incorrect
connection between the cable and connector will make the device unable to work or even damage
it. For optional IR cable, please contact your local dealer.
17) CI (CASE OPEN)
This 2-pin connector allows your system to enable or disable the "Case Open" item in BIOS, if the
system case begin remove.
8I845GVM-RZ Series Motherboard
Pin No.
1
2
2
10
3
1 9
4
5
6
7
8
9
10
Pin No.
1
1
2
3
4
5
Pin No.
1
1
2
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Definition
NDCDB-
NSINB
NSOUTB
NDTRB-
GND
NDSRB-
NRTSB-
NCTSB-
NRIB-
No Pin
Definition
VCC(+5V)
No Pin
IR Data Input
GND
IR Data Output
Definition
Signal
GND