70
Chapter 4: Motherboard Connections
Dedicated BMC LAN Port
One dedicated BMC LAN port (BMC_LAN) is located on the rear I/O panel of the motherboard.
The dedicated BMC LAN port, located above the USB0/USB1 ports, provides LAN support
for the Baseboard Management Controller (BMC) and accepts RJ45 cables. Refer to Section
2.9 for LAN LED information.
Universal Serial Bus (USB) Ports and Connector
There are two USB 3.0 ports (USB0, USB1) located on the rear I/O panel of the motherboard.
One internal USB 3.0 vertical Type-A connector is located at USB2. These USB ports and
connector can be used for USB support via USB cables (not included).
Rear I/O Panel USB 3.0 Ports (USB0/USB1)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
VBUS1
10
VBUS2
2
USB2_N_1
11
USB2_N_2
3
USB2_P_1
12
USB2_P_2
4
GND
13
GND
5
USB3_RN_1
14
USB3_RN_2
6
USB3_RP_1
15
USB3_RP_2
7
GND
16
GND
8
USB3_TN_1
17
USB3_TN_2
9
USB3_TP_1
18
USB3_TP_2
Internal Type-A USB 3.0 (USB2)
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+