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Chapter 4: Motherboard Connections
4.3 Ports
VGA Port
The onboard VGA port is located next to IPMI LAN port on the I/O back panel. Use this
connection for VGA display.
Serial Port
There is one COM port (COM1) on the I/O back panel on the motherboard. The COM port
provides serial communications.
Universal Serial Bus (USB) Ports
Four USB 3.0 ports (USB 0/1, USB 2/3) are located on the I/O back panel. An internal USB
header, located next to SATA 4~7, provides two USB 3.0 connections (USB2/3) for front
access. In addition, A Type A USB header (USB6), located next to PCI-E Slot 1, also provides
USB 3.0 connection for front access. The onboard headers can be used to provide front side
USB access with a cable (not included).
Type A USB 6 (3.0)
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+
Back Panel USB 0/1, 2/3 (3.0)
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
Front Panel USB 4/5 (3.0)
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