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_ _
3
12) F_USB1/F_USB2 (USB 2.0/1.1 Headers)
The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
_
_B
9
10
• 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
S F_
13) THB_C/THB_C1 (Thunderbolt
The connectors are used to connect to a GIGABYTE Thunderbolt
B_
B
1
THB_C1
1
THB_C
F_USB3
F_USB30 3
14) 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.
9
10
_ U
_
B
F_USB3 F
_
S _
Pin No. Definition
1
1
Power (5V)
2
Power (5V)
3
USB DX-
2
4
USB DY-
5
USB DX+
from the power outlet to prevent damage to the USB bracket.
Add-in Card Connectors)
™
Supports a Thunderbolt
Pin No. Definition
1
1
NDCD-
2
NSIN
3
NSOUT
4
NDTR-
2
5
GND
_ 0
Pin No. Definition
6
USB DY+
_ F
7
GND
8
GND
9
No Pin
10
NC
_ 0
add-in card.
™
add-in card.
™
_3
Pin No. Definition
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin
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F
F
U
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