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Universal Serial Bus (USB)
There are fi ve USB 2.0 (Universal Se-
rial Bus) ports/headers on the moth-
erboard. Two of them are Back Panel
USB ports (USB#0/1:JUSB1), and
the other three are Front Panel USB
headers (USB#2/3:JUSB2, USB#4:
JUSB3). See the tables on the right
for pin defi nitions.
Chassis Intrusion
A Chassis Intrusion header is located
at JL1 on the motherboard. Attach the
appropriate cable from the chassis to
inform you of a chassis intrusion when
the chassis is opened.
A
GLAN1
GLAN2
SIMLP IPMI
SEPC
PCI-Exp x8
PCI-Exp x4
Pin #
1
2
3
4
5
8-pin PWR
FP Ctrl
3rd PWR
PWR
Detect
Fault
PWRSMB
JAR
Fan8
C
D
B
SCSI CTRL
320 SCSI Channel B
2-15
Chapter 2: Installation
Back Panel USB
(USB0/1)
Pin#
Defi nitions
1
+5V
2
PO-
3
PO+
4
Ground
5
N/A
Front Panel USB
Pin Defi nitions (USB4)
USB2/4
USB3
Defi nition
Pin #
Defi nition
+5V
1
+5V
PO-
2
PO-
PO+
3
PO+
Ground
4
Ground
Key
5
No connection
Chassis Intrusion
Pin Defi nitions (JL1)
Pin#
Defi nition
1
Intrusion Input
2
Ground
A. Backpanel USB 0-1
B. Front Panel USB 2-3
C. Front Panel USB 4
D. Chassis Intrusion
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