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Chapter 4: Motherboard Connections
LAN Ports
Two Gigabit Ethernet ports (LAN1/2) are located on the I/O back panel. All of these ports
accept RJ45 cables. Refer to the table below for pin definitions.
LAN Port
Pin Definition
Pin#
Definition
Pin#
Definition
1
TX_D1+
5
TX_D3+
2
TX_D1-
6
TX_D3-
3
TX_D2+
7
TX_D4+
4
TX_D2-
8
TX_D4-
High Definition Audio Ports
The green jack on the I/O back panel audio port is the Line Out connection and the pink jack
is the Mic In connection.
HD Audio
Pin Definitions
Color
Definition
Green
Line Out
Pink
Mic In
Universal Serial Bus (USB) Ports
There are four USB 3.2 ports (USB4/5 and USB6/7) located on the I/O back panel. The
motherboard also has two front access USB 2.0 headers (USB0/1 and USB2/3).
The onboard
headers can be used to provide front side USB access with a cable (not included).
Front Panel USB 0/1, 2/3 (2.0)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+5V
2
+5V
3
USB_PN2
4
USB_PN3
5
USB_PP2
6
USB_PP3
7
Ground
8
Ground
9
Key
10
Ground
Back Panel USB (3.2) Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
GND
11
GND
2
TX1+
12
TX2-
3
TX1-
13
TX2+
4
GND
14
GND
5
RX1+
15
RX2-
6
RX1-
16
RX2+
7
GND
17
GND
8
D1+
18
D2+
9
D1-
19
D2-
10
VBUS1
20
VBUS2
