2-16
X7SBL-LN1/LN2 User’s Manual
Universal Serial Bus (USB)
There are seven USB 2.0 (Universal
Serial Bus) ports/headers on the
motherboard. Two of them are Back
Panel USB ports (USB 0-1: J15).
Another two USB Headers: (USB 2-3:
J44) and (USB 4-5 : J45) can provide
front access USB connections. (FP
USB 6: J47) is a front panel USB con-
nection. See the tables on the right for
pin definitions.
Chassis Intrusion
Pin Definitions (JL1)
Pin# Definition
1
Intrusion Input
2
Ground
A.
Backpanel USB 0-1
B.
Front Accessible USB 2-3
C.
Front Accessible USB 4-5
D.
Front Panel USB 6
E.
Chassis Intrusion
Back Panel USB
(J15)
Pin# Definitions
1
+5V
2
PO-
3
PO+
4
Ground
5
N/A
Front Panel & Front Accessible USB
Pin Definitions (J44, J45, J47)
USB 2, USB 4, USB 6
Pin # Definition
USB 3, USB 5
Pin # Definition
1
+5V
1
+5V
2
PO-
2
PO-
3
PO+
3
PO+
4
Ground
4
Ground
5
No connec-
tion
5
Key
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.
A
E
C
D
B
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