16 | Chapter 2: Hardware installation
BIH11-AHA User’s Manual
JFRONT_USB3_1: Header for USB 3.0 Ports at Front Panel
This header allows user to add additional USB ports on the PC front panel, and also can be
connected with a wide range of external peripherals.
Pin Assignment
Pin
Assignment
1
VBUS0
11
D2+
2
SSRX1-
12
D2-
3
SSRX1+
13
Ground
4
Ground
14
SSTX2+
5
SSTX1-
15
SSTX2-
6
SSTX1+
16
Ground
7
Ground
17
SSRX2+
8
D1-
18
SSRX2-
9
D1+
19
VBUS1
10
ID
20
Key
F_USB1: USB 2.0 Header
The mainboard provides USB 2.0 pin header. Each header allows you to connect 2 additional
USB 2.0 ports.
Pin Assignment
Pin Assignment
1
+5V(fused)
2
+5V(fused)
3
USB -
4
USB -
5
USB +
6
USB +
7
Ground
8
Ground
F_AUDIO1: Front Panel Audio Header
This header allows user to connect the chassis-mount front panel audio I/O which supports HD
and AC’97 audio standards.
HD Audio
AC’97
Pin Assignment
Pin Assignment
1
Mic Left in
1
Mic In
2
Ground
2
Ground
3
Mic Right in 3
Mic Power
4
GPIO
4
Audio Power
5
Right line in
5
RT Line Out
6
Jack Sense
6
RT Line Out
7
Front Sense
7
Reserved
8
Key
8
Key
9
Left line in
9
LFT Line Out
10
Jack Sense
10 LFT Line Out
