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Chapter 4: Motherboard Connections
LAN Ports
Two Gigabit Ethernet ports, LAN1, LAN2 are located on the I/O back panel. In addition, a
dedicated IPMI LAN is located above the USB0/1 ports on the back panel. All of these ports
accept RJ45 cables. Please refer to the LED Indicator section for LAN LED information.
Universal Serial Bus (USB) Ports
There are two USB 2.0 ports (USB0/1) and two USB 3.2 Gen 1 ports (USB6/7) located on
the I/O back panel. The motherboard also has two front access USB 2.0 headers (USB2/3
and USB4/5) and one front access USB 3.2 Gen 1 header (USB8/9).
The USB10 header is
USB 3.2 Gen 1 Type-A. The onboard headers can be used to provide front side USB access
with a cable (not included).
Back Panel USB 6/7 (3.2 Gen 1)
Pin Definitions
Pin#
Definition
Pin#
Definition
A1
VBUS
B1
Power
A2
D-
B2
USB_N
A3
D+
B3
USB_P
A4
GND
B4
GND
A5
Stda_SSRX-
B5
USB3_RN
A6
St
B6
USB3_RP
A7
GND
B7
GND
A8
Stda_SSTX-
B8
USB3_TN
A9
St
B9
USB3_TP
Back Panel USB 0/1 (2.0)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+5V
5
+5V
2
USB_N
6
USB_N
3
USB_P
7
USB_P
4
Ground
8
Ground
Front Panel USB 2/3, 4/5 (2.0)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+5V
2
+5V
3
USB_N
4
USB_N
5
USB_P
6
USB_P
7
Ground
8
Ground
9
Key
10
NC
Front Panel USB 8/9 (3.2 Gen 1)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
VBUS
19
Power
2
Stda_SSRX-
18
USB3_RN
3
St
17
USB3_RP
4
GND
16
GND
5
Stda_SSTX-
15
USB3_TN
6
St
14
USB3_TP
7
GND
13
GND
8
D-
12
USB_N
9
D+
11
USB_P
10
x
Type A USB 10 (3.2 Gen 1)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
VBUS
5
SSRX-
2
USB_N
6
SSRX+
3
USB_P
7
GND
4
Ground
8
SSTX-
9
SSTX+
