Installation Instructions
K8N4/K8N4U
10
Power LED Connector (PWR_LED)
When the system is in S1,S0 status, the LED is on. When the system is in S3, S5 status, the
LED is off. The connector has an orientation.
Fan Connectors (CPU_FAN, SYS_FAN and NF4_FAN)
The fan speed of these three fans can be detected and viewed in “PC Health” section of
the CMOS SETUP.
POWER LED
HD LED
HDD LED(+)
HDD LED(-)
G N D
R E S E T
R E S E R V E
EMPT Y
G N D
P O W E R
PWR LED(+)
RESET SW
PW R LED(-)
POWER SW
SYS_FAN
CPU_FAN
+12V
GND SENSE
+12V
SENSE
GND
NF4_FAN
+12V
GND
GND
HDD LED
PO
WER
LED
Power
SW
RESET
SW
reserve
