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10) F_USB30 (USB 3.0/2.0 Header)
The header conforms to USB 3.0/2.0 specification and 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.
11) F_USB1/F_USB2/F_USB3 (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.
9
10
1
12) 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.
Pin No. Definition
20
1
1
2
3
4
5
6
10
11
7
Pin No. Definition
1
1
2
2
3
4
5
• 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.
Pin No. Definition
1
1
2
Pin No. Definition
8
VBUS
D1-
9
SSRX1-
D1+
10
SSRX1+
NC
11
GND
D2+
12
SSTX1-
D2-
13
SSTX1+
GND
14
GND
SSTX2+
Pin No. Definition
Power (5V)
6
USB DY+
Power (5V)
7
GND
USB DX-
8
GND
USB DY-
9
No Pin
USB DX+
10
NC
SPDIFO
GND
- 17 -
Pin No. Definition
15
SSTX2-
16
GND
17
SSRX2+
18
SSRX2-
19
VBUS
20
No Pin
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