GIGABYTE 8S661FXMP-RZ - Manual (Page 19)

- 19 - Hardware Installation Process
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14) F_ USB1 / F_USB2 (Front USB Connectors)
Be careful with the polarity of the F_USB connector. Check the pin assignment carefully while
you connect the F_USB cable, incorrect connection between the cable and connector will make
the device unable to work or even damage it. For optional F_USB cable, please contact your local
dealer.
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 NC
16) COMB (COMB Connector)
Be careful with the polarity of the COMB connector. Check the pin assignment carefully while you
connect the COMB cable because 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
15) CI (Chassis Intrusion, Case Open)
This 2-pin connector allows your system to detect if the chassis cover is removed. You can
check the "Case Open" status in BIOS Setup.
Pin No. Definition
1 Signal
2 GND
1 9
2 10
1
9
2
10
1