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Universal Serial Bus (USB)
Two Universal Serial Bus ports (USB1,
USB2) are located at (JUSB1, JUSB2)
the I/O back panel. (USB Cables are not
included). See the table on the right for
pin defi nitions.
Ethernet LAN Ports
Two Gigabit Ethernet ports (LAN1,
LAN2) are located on the I/O backplane
on the motherboard. In addition, an IPMI
LAN is also on the backplane. All these
ports accept RJ45 type cables. Please
refer to the LED Indicator Section for
LAN LED information.
Serial Ports
A COM connection (COM1) is located
next to the Front Control Panel (JF1) on
the motherboard. See the table on the
right for pin defi nitions.
Video Connector
A Video (VGA) port is located next to
JUSB1 on the I/O backplane. Refer to
the board layout below for the location.
Chapter 5: Advanced Motherboard Setup
Backplane USB 0/1
Pin Defi nitions
Pin# Defi nition
1
2
3
4
5
LAN Ports (LAN1/2)
Pin Defi nition
Pin# Defi nition
1
P2V5SB
2
TD0+
3
TD0-
4
TD1+
5
TD1-
6
TD2+
7
TD2-
8
TD3+
9
TD3-
NC indicates no connection.
Serial Port Pin Defi nitions
Pin # Defi nition
1
DCD
2
RXD
3
TXD
4
DTR
5
Ground
NC indicates no connection.
5-17
& FP USB 2
+5V
PO-
PO+
Ground
NA
Pin# Defi nition
10
SGND
11
Act LED
12
P3V3SB
13
Link 100 LED
(Yellow, +3V3SB)
14
Link 1000 LED
(Yellow, +3V3SB)
15
Ground
16
Ground
17
Ground
18
Ground
(COM1)
Pin # Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC
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