Chapter 2: Installation
2-11
Power On_LED Connector
The Power LED connector is lo-
cated on pins 15, 16 of JF1. (*Use
JLED for a 3-pin connector.) This
connection is used to provide LED
indication of power being supplied
to the system. See the table on
the right for pin definitions.
Pin
Number
15
16
Definition
+5V
Ground
Power_LED
Pin Definitions (JF1)
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 definitions.
Pin
Number
19
20
Definition
Control
Ground
NMI Button Pin
Definitions (JF1)
NIC1 LED
Power Button
Overheat/Fan Fail LED
1
Reset Button
2
IDE/SATA LED
Power On LED
Reset
Signal
Vcc
Vcc
Vcc
Vcc
Ground
3V Standby
19
20
Vcc
X
Ground
NMI
X
X
X
NIC2 LED
KB/MS
USB0/1
COM1
VGA
Parallel Port
JPUSB1
ATX-24 Pin PWR
JPF
JPWAKE1
4-Pin
PWR
CPU
CopperRiver
NorthBridge
GLAN1
GLAN2
DIMM 1A
DIMM 1B
DIMM 2A
DIMM 2B
GLAN
CTRL
GLAN
CTRL
JPL1
JPL2
PCI-X 133/100 MHz
PCI-Ex1
(LGA 775)
SCSI CTRL
7902 W
S
C
S
I C
h
a
n
n
e
l A
SCSI Channel B
J W D
USB6/7
BIOS
J L 1
ID
E
F
lo
p
p
y
J
5
JBT1
J
F
1
J
L
E
D
Fan3
Fan2
JS
L
E
D
Fan1
Fan5
Fan4
ICH6R
SouthBridge
PXH-V
PCI 33MHz
Battery
PCI-Ex1
SATA3 SATA2 SATA1 SATA0
JWOR
JPA1
IP
M
I
C
O
M
2
USB2/3
Buzzer
WOL
JBT1
J
9
J
S
L
E
D
LE1
E 7 2 2 1
NMI
PWR-On LED
