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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.
13) SPEAKER (Speaker Header)
Connects to the speaker on the chassis front panel. The system reports system startup status by issuing
a beep code. One single short beep will be heard if no problem is detected at system startup.
F_USB30
14) F_USB30 (USB 3.1 Gen 1 Header)
The header conforms to USB 3.1 Gen 1 and USB 2.0 specification 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.
20
11
Pin No. Definition
1
5VDUAL
1
2
No Pin
3
SPDIFO
4
GND
Pin No. Definition
1
VCC
2
NC
3
NC
1
4
SPK-
F_ U
Pin No. Definition
1
1
VBUS
2
SSRX1-
3
SSRX1+
B_
4
GND
5
SSTX1-
6
SSTX1+
10
7
GND
S
Pin No. Definition
8
D1-
9
D1+
10
NC
B S S
11
D2+
12
D2-
1
13
GND
14
SSTX2+
S
1 2 3
- 17 -
F_
Pin No. Definition
15
SSTX2-
16
GND
17
SSRX2+
18
SSRX2-
19
VBUS
20
No Pin
_S
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