69
Chapter 4: Motherboard Connections
VGA Port
A video (VGA) port is located next to USB 3.2 Gen2x1 Port 8 (Type C) on the I/O back panel.
COM Connections
Two COM connections (COM1/COM2) are located on the motherboard. COM1 is located on
the I/O back panel. COM2 is located next to M.2-C03 PCI-E 3.0 x4.
COM Connection
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
LAN Ports
Two RJ45 Ethernet LAN ports (LAN1/LAN2) are located on the I/O back panel. In addition,
a dedicated IPMI LAN port is located above the USB6/7 ports on the I/O back panel. All of
these ports accept RJ45 cables. Please refer to Section 4.6 for LAN LED information.
LAN Port
Pin Definitions
Pin#
Definition
Pin#
Definition
1
TD0-
11
P3V3_Dual
2
TD0+
12
Act LED (Yellow)
3
TD1-
13
Link 1000
(Amber)
4
TD1+
14
Link 100 LED
(Green)
5
TD2-
15
GND
6
TD2+
16
GND
7
TD3-
17
GND
8
TD3+
18
GND
9
COMMCT
10
GND
IPMI LAN Port
Pin Definitions
Pin#
Definition
Pin#
Definition
9
19
GND
10
TD0+
20
Act LED
(Yellow)
11
TD0-
21
Link 100 LED
(Green)
12
TD1+
22
Link 1000 LED
(Amber)
13
TD1-
23
SGND
14
TD2+
24
SGND
15
TD2-
25
SGND
16
TD3+
26
SGND
17
TD3-
18
GND