Gigabyte GA-AB350-Gaming 3 - Page 18

16) F_USB1/F_USB2 (USB 2.0/1.1 Headers)
 Theheadersconform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2.0/1.1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.
DEBUG
PORT
G.QBOFM
10
9
2
1
Pin No. Denition Pin No. Denition
1 VBUS 11 D2+
2 SSRX1- 12 D2-
3 SSRX1+ 13 GND
4 GND 14 SSTX2+
5 SSTX1- 15 SSTX2-
6 SSTX1+ 16 GND
7 GND 17 SSRX2+
8 D1- 18 SSRX2-
9 D1+ 19 VBUS
10 NC 20 No Pin
15) F_USB30 (USB 3.1 Gen 1 Header)
The header conforms to USB 3.1 Gen 1 and USB 2.0 specication and can provide two USB ports. For
purchasing the optional 3.5" front panel that provides two USB 3.1 Gen 1 ports, please contact the local
dealer.
F_USB30
F_U B_ 
F_  F_ 
 _ B
BS_ B
SB_ B
_S  S_ _ B _U _ B
 
 
S  
 
123
 
123
 
123
 
123
1
1
1
1
BSS
S
_S 
SSU
 
1 2 3  
 S3
BSSS

U
 __ 3
F_USB3F
S  _ S  _
S  _
SF
 
B_
B_
F _0
S S
_0F
_F
_
_
__B
 
U
S  _S
_
USB0_B
B_
F_USB3

10
20
1
11
14) 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
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