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Overheat/FanFail LED
Connect an LED cable to the OH/Fan
Fail connection on pins 7 and 8 of JF1
to provide advanced warning of chas-
sis overheating or system fan failure.
Refer to the table on the right for pin
defi nitions.
Reset Button
The Reset Button connection is lo-
cated on pins 3 and 4 of JF1. Attach
it to the hardware reset switch on the
computer case. Refer to the table on
the right for pin defi nitions.
JPW1
KB/MS
Fan6/CPU Fan
J28
USB 1/2
J15
E7230
J31
Mukilteo
(North Bridge)
JG1
GLAN1
DIMM 1A
DIMM 2A
GLAN2
DIMM 1B
DIMM 2B
LAN
Slot6
SXB -E1 PCI-Ex8
CTRL
J I
2
C 1
J I
2
C 2
LAN
J P L 1
VGA
CTRL
J P L 2
CTRL
L E 3
L E 4
S I/O
COM2
JPG1
J 9
Slot1
PCI 32 Bit/33 MHz
USB3/4 USB5/6
J 4
IDE
J27
J30
Printer
Floppy
(*Compact Flash Card only)
JPW2
Fan1
8-pin PWR
Pentium Dual
Core CPU
LGA 775
DIMM 1
DIMM 2
DIMM 3
DIMM 4
Fan2
PCI-X 133 MHz
Fan3
J W D
A
JPF
Battery
BIOS
OH/Fan Fail LED
PXH-V
Buzzer
SATA3
SATA2
ICH7R
SATA1
(South Bridge)
JWOR
SATA0
JBT1
JL1
J 3
IDE (Primary)
2-11
Chapter 2: Installation
OH/Fan Fail Indicator
Status
Pin Defi nitions (JF1)
State
Defi nition
Pin#
Off
Normal
7
On
Overheat
8
Flash-
Fan Fail
ing
Reset Button
Pin Defi nitions (JF1)
Pin#
Defi nition
3
Reset
4
Ground
A. OH/Fan Fail LED
B. Reset LED
20
19
Ground
X
Power LED
HDD LED
NIC1 LED
NIC2 LED
X
Ground
Ground
2
1
OH/Fan Fail LED
Defi nition
Vcc
Ground
NMI
X
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
B
Reset
Reset Button
Power Button
PWR
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