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10) SPDIF_O (S/PDIF Out Header)
This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expansion
cards) for digital audio output from your motherboard to certain expansion cards like graphics cards and
sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable for
digital audio output from your motherboard to your graphics card if you wish to connect an HDMI display
to the graphics card and have digital audio output from the HDMI display at the same time. For information
about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion card.
1
11) F_USB30_1/F_USB30_2 (USB 3.0/2.0 Headers)
F_USB30
The headers conform to USB 3.0/2.0 specification and each header can provide two USB ports. For
purchasing the optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer.
1
F_USB30
20
20
11
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.
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10
• 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
13) COMA/COMB (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.
S
9
10
S
_
S
_
Pin No. Definition
1
SPDIFO
2
GND
F_ U
10
Pin No. Definition
F_ U
VBUS
1
SSRX1-
2
11
1
SSRX1+
3
GND
4
SSTX1-
5
SSTX1+
6
B_
GND
7
10
B_
Pin No. Definition
1
1
Power (5V)
2
2
Power (5V)
3
USB DX-
S
4
USB DY-
5
USB DX+
outlet to prevent damage to the USB bracket.
Pin No. Definition
B S S
3
1
NDCD-
1
2
NSIN
2
3
NSOUT
4
NDTR-
S
3
5
GND
S F
B_
Pin No. Definition
D1-
8
D1+
9
NC
10
D2+
11
D2-
12
B S S
GND
13
SSTX2+
14
1
B S S
1
S
Pin No. Definition
6
USB DY+
7
GND
1 2 3
S
8
GND
9
No Pin
10
NC
1 2 3
S
Pin No. Definition
U
S
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
B S S
S
10
No Pin
_
- 17 -
S F
_
S
_S
F_
Pin No. Definition
F_
SSTX2-
15
GND
16
SSRX2+
17
SSRX2-
18
VBUS
19
No Pin
20
_S
_S
_ _
3
U
_ _
_
_
F
S
F_US
3
_B
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