English, 16) clr_cmos (clear cmos), 15) f_usb1 / f_usb2 (front usb connector) – GIGABYTE Socket A Processor Motherboard 7VM400AM-RZ User Manual
Page 19: 17) ci (chassis intrusion, case open)
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Hardware Installation Process
English
16) CLR_CMOS (Clear CMOS)
You may clear the CMOS data to its default values by this jumper. To clear CMOS, temporarily short
1-2 pin. Default doesn't include the "Shunter" to prevent from improper use this jumper.
1
1
Short: Clear CMOS
Open: Normal
15) F_USB1 / F_USB2 (Front USB Connector)
Be careful with the polarity of the front USB connector. Check the pin assignment carefully while you
connect the front USB cable, incorrect connection between the cable and connector will make the de-
vice unable to work or even damage it. For optional front 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
1
9
2
10
17) CI (Chassis Intrusion, 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.
Pin No.
Definition
1
Signal
2
GND
1