Gigabyte 8I845GVM-RZ - Page 18

- 18 -8I845GVM-RZ Series Motherboard
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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.
Pin No. Definition
1 NDCDB-
2 NSINB
3 NSOUTB
4 NDTRB-
5 GND
6 NDSRB-
7 NRTSB-
8 NCTSB-
9 NRIB-
10 No Pin
19
2
10
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.
Pin No. Definition
1 VCC(+5V)
2 No Pin
3 IR Data Input
4 GND
5 IR Data Output
1
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.
1
Pin No. Definition
1 Signal
2 GND