Universal Serial Bus (USB)
There are 11 USB 2.0 (Universal
Serial Bus) ports/headers on the
motherboard. Six of them are Back
Panel USB ports: USB 0/1 (J11) and
USB 2/3/4/5 (J43). The other four are
headers that can be used for front
panel connections: USB 6/7 (J44),
USB 8/9 (J45) and one vertical USB
port, USB 10. See the tables on the
right for pin definitions.
Chassis Intrusion
A Chassis Intrusion header is located
at JL1 on the motherboard. Attach an
appropriate cable from the chassis to
inform you of a chassis intrusion when
it is opened.
Chassis Intrusion
Pin Definitions (JL1)
Pin# Definition
1 Intrusion Input
2 Ground
A. Back panel USB Ports
0/1
B. Back panel USB Ports
2/3/4/5
C. Front Panel USB 6/7
D. Front Panel USB 8/9
E. One board vertical USB
port 10
F. Chassis Intrusion
Back Panel USB
(0-5)
Pin# Definitions
1 +5V
2 PO-
3 PO+
4 Ground
5 N/A
Front Panel USB (6/7/8/9) and Front-Ac-
cessible Onboard USB (10) Connections
Pin # Definition
Pin # Definition
1 +5V 1 +5V
2 PO- 2 PO-
3 PO+ 3 PO+
4 Ground 4 Ground
5 Key 5 No connection
B
A
D
E
C
F