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Universal Serial Bus (USB)
There are seven USB 2.0 (Universal
Serial Bus) ports/headers on the
motherboard. Back Panel USB Ports
0 and 1 are located at JUSB1. The
other fi ve are Front Panel Accessible
USB headers. USB Headers 2 and
3, USB Header 4 and 5, and USB6,
located next to the fl oppy drive, pro-
vide front panel USB access. See the
tables on the right for pin defi nitions.
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
the chassis is opened.
PWR
SMB
24-Pin ATX PWR
8-Pin PWR
A
DIMM2B
DIMM2A
DIMM1B
DIMM1A
Intel 5400
North Bridge
FAN5
JP2
FAN6
Slot7 SIMLP
VGA
Slot6 PCI-E x8
CTRL
Slot5 PCI-E x8
Slot4 PCI-E x8
Intel ESB2
JPG1
JWD
South Bridge
Slot3 PCI-E x8
LAN
CTRL
JPL1
Slot 2 PCI-E x4
JI2C3
JI2C1
JPL2
JI2C2
JI2C4
Slot1 PCI-X 133MHz
SPKR
LE1
J18
Slot 0 PCI-U
JD1
LED5
CPU1
CPU2
FAN2
FAN3
T-SGPIO1
T-SGPIO2
C
USB4/5
B
J7
USB2/3
JP1
JBT
USB6
BIOS
D
E
I-SATA5
I-SATA3
I-SATA1
JWOL1
JPT1
I-SATA4
I-SATA2
I-SATA0
JL1
J8
FAN4
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 (USB 2/3/4)
USB2/4
USB3
Pin #
Defi nition
Pin #
Defi nition
1
+5V
1
+5V
2
PO-
2
PO-
3
PO+
3
PO+
4
Ground
4
Ground
5
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 4/5
D. Front Panel USB 6
E. Chassis Intrusion
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