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Chapter 4: Motherboard Connections
VGA Port
The onboard VGA port is located next to IPMI_LAN on the I/O back panel. Use this connection
for VGA display.
Serial Port
A COM port (COM1) is located next to the VGA port on the motherboard. This COM port
provides serial communication support. See the table below for pin definitions.
COM Port
Pin Definitions
Pin#
Definition
Pin#
Definition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
N/A
Back Panel USB (3.0)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
VBUS
10
Power
2
D-
11
USB 2.0 Differential Pair
3
D+
12
4
Ground
13
Ground of PWR Return
5
StdA_SSRX-
14
SuperSpeed Receiver
6
St 15
Differential Pair
7
GND_DRAIN
16
Ground for Signal Return
8
StdA_SSTX-
17
SuperSpeed Transmitter
9
St
18
Differential Pair
Universal Serial Bus (USB) Ports
Two USB 3.0 port (USB0/1) are located on the I/O back panel. Connect appropriate cables
here to use USB support. (USB cables are not included).