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Chapter 2: Installation
2-27
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.
Chassis Intrusion
Pin Defi nitions (JL1)
Pin# Defi nition
1 Intrusion Input
2 Ground
A
1
USB2/3
COM2
USB7
USB5/6
USB4
JBT1
Slot 4 PCI 33MHz
Slot 5 PCI-E x4 in x8
Speaker
Slot 6 PCI 33MHz
IDE
I-SATA0
I-SATA1
Slot 7 PCI-E x16
I-SATA3
I-SATA2
LAN2
LAN1
VGA
COM1
UNB NON-ECC DDR2 400/533/667 Required
DIMM1A
DIMM1B
USB0/1
/CPU Fan
JPW1
JPW2
KB/MOUSE
Intel 945GC
Intel ICH7R
Battery
BIOS
Super IO
LAN
CTRL
LAN
CTRL
VRM
CTRL
Intel
CPU
LE1
JF1
FP CTRL
JD1
Fan1
PWR LED/SPKR
JOH1
Fan2
JWD
Fan3
JL1
Fan4
JPL1
JPL2
Fan5
JP3
Clock chip
X7SLM-L
A. Overheat/Fan Fail LED
B. Chassis Intrusion
A
B
Overheat/Fan Fail LED (JOH1)
The JOH1 header is used to connect
an LED to provide warnings of chas-
sis overheat. This LED will also blink
to indicate a fan failure. Refer to the
table on right for pin defi nitions.
Overheat LED
Pin Defi nitions
Pin# Defi nition
1 5vDC
2 OH Active
OH/Fan Fail LED
Pin Defi nitions
State Message
Solid Overheat
Blinking Fan Fail