Gigabyte GA-B250M-D2V - Page 16

10) 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.
10
9
2
1
11) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
Pin No. Denition Pin No. Denition
1 LCLK 11 LAD0
2 GND 12 GND
3 LFRAME 13 NC
4 No Pin 14 NC
5 LRESET 15 SB3V
6 NC 16 SERIRQ
7 LAD3 17 GND
8 LAD2 18 NC
9 VCC3 19 NC
10 LAD1 20 NC
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
12) COM (Serial Port Header)
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.
10
9
2
1
20
19
2
1
DEBUG
PORT
G.QBOFM
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