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C. Front Control Panel Pin Defi nitions
NMI Button
The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. Refer to the table on the right
for pin defi nitions.
Power LED
The Power LED connection is located
on pins 15 and 16 of JF1. Refer to the
table on the right for pin defi nitions.
A. NMI
B. PWR LED
KB/MS
Fan6/CPU Fan
USB 1/2
LAN
CTRL2
E7230
Mukilteo
LAN
(North Bridge)
CTRL1
JLAN1
DIMM 1A
DIMM 2A
JLAN2
DIMM 1B
DIMM 2B
S I/O
JI
2
C1
JI
2
C2
1U IPMI
VGA
PCI-E x8
PCI-33 MHz
JWOR
Ctrl
Battery
PCI-E x4
BIOS
JPG1
SPKR
PCI-33 MHz
USB3/4 USB5/6
Floppy
COM2
Fan1
8-pin PWR
CPU
LGA 775
B
Power LED
HDD LED
Fan3
NIC1 LED
Fan2
NIC2 LED
OH/Fan Fail LED
JL1
ICH7R
PWR Fail LED
JBT1
South Bridge
SATA3
SATA1
SATA0
SATA2
2-9
Chapter 2: Installation
NMI Button
Pin Defi nitions (JF1)
Pin#
Defi nition
19
Control
20
Ground
Power LED
Pin Defi nitions (JF1)
Pin#
Defi nition
15
+5V
16
Ground
20
19
Ground
NMI
X
X
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Reset
Reset Button
Ground
Power Button
Ground
PWR
2
1
A
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