Chapter 5: Advanced Motherboard Setup
5-17
Universal Serial Bus (USB)
Two Universal Serial Bus ports (USB 0/1)
are located on the I/O backpanel and an
additional six USB ports in three headers
(USB2/3, 4/5, 12/13) provide front/back
chassis access. (USB cables are not
included). See the tables on the right for
pin defi nitions.
Back Panel USB0/1
Pin Defi nitions
Pin# Defi nition Pin# Defi nition
1 +5V 5 +5V
2 USB_PN1 6 USB_PN0
3 USB_PP1 7 USB_PP0
4 Ground 8 Ground
Front/Back Panel USB2/3, 12/13
Pin Defi nitions
USB 2/4/11/12
Pin # Defi nition
USB 3/5/13
Pin # Defi nition
1 +5V 6 +5V
2 USB_PN2 7 USB_PN3
3 USB_PP2 8 USB_PP3
4 Ground 9 Ground
5 No Con-
nection
10 Key
Serial Ports
The COM1 Port is located on the I/O
backpanel. COM2 is a header located
on the the motherboard. See the table
on the right for pin defi nitions.
Serial Port Pin Defi nitions
(COM1/COM2)
Pin # Defi nition Pin # Defi nition
1 CDC 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 NC
Ethernet Ports
Two Ethernet ports (LAN1/LAN2) are
located next to the VGA port on the I/O
back panel. These ports accept RJ45 type
connectors/cables.
LAN Port
Pin Defi nitions
Pin# Defi nition
1 GND 9 TD0+
2 Vcc19-LAN 10 TD0
3 TD3+ 11 Link 100 LED
4 TD3- 12 Link 100 LED
5 TD2+- 13 3.3V
6 TD2- 14 Act LED
7 TD1+- 15 GND
8 TD1- 16 GND
NC = No connection
