Chapter 2: Installation
2-13
Overheat/Fan Fail LED (OH)
Connect an LED to the OH/Fan Fail
connection on pins 7 and 8 of JF1 to
provide advanced warnings of chassis
overheating or fan failure. Refer to the
table on the right for pin defi nitions.
Power Fail LED
The Power Fail LED connection is
located on pins 5 and 6 of JF1. Refer
to the table on the right for pin defi ni-
tions.
OH/Fan Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
7
3.3 Vcc
8
OH/Fan Fail LED Indicator
OH/Fan Fail Indicator
Status
State Defi nition
Off
Normal
On
Overheat
Flash-
ing
Fan Fail
PWR Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
5
5 Vcc
6
PWR Fail Indicator
A. OH/Fan Fail LED
B. PWR Supply Fail
FP Pow
OH/Fan Fail LED
1
NIC1 LED
FP Res
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
19
20
Vcc
X
Ground
NMI
X
Vcc
PWR Fail LED
NIC2 LED
B
A
I-SATA1
I-SATA3 I-SATA2
I-SATA0
COM1
SIMSO
J
USB
4
T
-SG
PI
O
1
J
BT1
LED4
LED3
L
E
D2
JEXP1
DIMM1
DIMM3
DIMM2
DIMM4
Inte
l
L
AN
CTRL
J
WR2
JW
R1
J
PL3
J
PL2
J
PG
1
JW
D
LAN3
L
AN2
L
A
N1
F
A
N1
FAN
2
FAN3
C
O
M
2
IT
P1
J
F1
J
D
1
J
L
1
JI
2
C
1
J
I2C2
S
P1
B
1
J
PL
1
Int
e
l
L
AN
CTRL
LED5
V
GA CTRL
X
7S
B
T
-1
0G
IC
H9R
Su
pe
r
I/
O
BI
O
S
SLOT1 PCI-E X16
O
H
L
E
D
H
DD
L
ED
V
RD O
H LED
PWR
L
E
D
PWR
I2C
USB8
/7
USB1
1/
10
USB
5/
3
SMBus
USB0/
1
VGA
Cha
s
is
Intr
u
s
ion
CMO
S CLEA
R
USB
6
USB4
BUZ
ZER
C
PU
STBY
PW
R
LED1
DIMM2B
DIMM2A
DIMM1B
DIMM1A
J
P1
J
O
H1
