2-12
X9SKV Motherboard Series User's Manual
Power Button
1
LAN5 (Link/Activity) LED
Reset Button
2
HDD LED
FP Power LED
3.3V SB
3.3V
3.3V SB
OH/Fan Fail LED
Ground
Ground
1920
Key
Ground
NMI
Key
3.3V SB
LAN6 (Link/Activity) LED
Power Fail
3.3V
3.3V
OH/Fan Fail LED
Power Fail LED
NMI Button
Overheat (OH)/Fan Fail LED
Connect an LED Cable to the OH/Fan
Fail connection on pins 7 and 8 of JF1
to provide advanced warnings of chassis
overheat or fan failure. Refer to the table
on the right for pin denitions.
OH/Fan Fail Indicator
Status
State Denition
Off Normal
On Overheat
Flash-
ing
Fan Fail
A
B
JF1 Header Pins
A
B
C
C
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 denitions.
NMI Button
Pin Denitions (JF1)
Pin# Denition
1 Signal
2 Ground
Power Fail LED
The Power Fail LED connection is lo-
cated on pins 5 and 6 of JF1. Refer to the
table on the right for pin denitions.
Power Fail LED
Pin Denitions (JF1)
Pin# Denition
5 Vcc
6 Ground