Gigabyte GA-B150N-GSM - Page 18

15) CLR_CMOS (Clear CMOS Jumper)
 UsethisjumpertocleartheBIOScongurationandresettheCMOSvaluestofactorydefaults.Toclear
the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.
• Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or manually
conguretheBIOSsettings(refertoChapter2,"BIOSSetup,"forBIOScongurations).
Open: Normal
Short: Clear CMOS Values
13) F_USB (USB 2.0/1.1 Header)
 TheheaderconformstoUSB2.0/1.1specication.EachUSBheadercanprovidetwoUSBportsviaan
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
Pin No. Denition Pin No. Denition
1 Power (5V) 6 USB DY+
2 Power (5V) 7 GND
3 USB DX- 8 GND
4 USB DY- 9 No Pin
5 USB DX+ 10 NC
• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB header.
• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord from the power
outlet to prevent damage to the USB bracket.
10 9
1
2
16) CI (Chassis Intrusion Header)
This motherboard provides a chassis detection feature that detects if the chassis cover has been removed.
This function requires a chassis with chassis intrusion detection design.
1
Pin No. Denition
1 Signal
2 GND
14) COM1/2/3/4 (Serial Port Headers)
The COM header can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer.
2
Pin No. Denition Pin No. Denition
1 NDCD- 6 NDSR-
2 NSIN 7 NRTS-
3 NSOUT 8 NCTS-
4 NDTR- 9 NRI-
5 GND 10 No Pin
1
10
9
12
910
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