Asus KFN5-Q User Guide - Page 49

CPU, Front and Rear fan connectors 4-pin CPU_FAN1/2

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5. CPU, Front and Rear fan connectors (4-pin CPU_FAN1/2, 3-pin FRNT_FAN1/2, 3-pin REAR_FAN1/2) The fan connectors support cooling fans of 350mA~2000mA (24 W max.) or a total of 1A~3.48A (41.76 W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector. • Do not forget to connect the fan cables to the fan connectors. Lack of sufficient air flow inside the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors! • All fans feature the ASUS Q-Fan technology. CPU_FAN1 CPU_FAN2 CPU_FAN1 CPU FAN PWM CPU FAN IN CPU FAN PWR GND CPU_FAN2 GND CPU FAN PWR CPU FAN IN CPU FAN PWM R REAR_FAN1 REAR_FAN2 REAR_FAN1 REAR_FAN2 GND R+1o2taVtion GND R+1o2taVtion KFNS-D-SLI FRNT_FAN1 FRNT_FAN2 KFN5-D SLI Fan Connectors FRNT_FAN1 GR+1oN2tDaVtion FRNT_FAN2 GND R+1o2taVtion 6. Backplane SMBus connector (6-1 pin BPSMB1) This connector allows you to connect SMBus (System Management Bus) devices. Devices communicate with an SMBus host and /or other SMBus devices using the SMBus interface. R KFNS-D-SLI KFN5-D SLI SMBus Connector ASUS KFN5-D SLI BPSMB1 1 FAN_PWM I2C_CLK# GND I2C_DATA# +5VSB 2-29

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ASUS KFN5-D SLI
2-29
5.
CPU, Front and Rear fan connectors (4-pin CPU_FAN1/2,
3-pin FRNT_FAN1/2, 3-pin REAR_FAN1/2)
The fan connectors support cooling fans of 350mA~2000mA (24
W max.) or a total of 1A~3.48A (41.76 W max.) at +12V. Connect
the fan cables to the fan connectors on the motherboard, making
sure that the black wire of each cable matches the ground pin of the
connector.
•
Do not forget to connect the fan cables to the fan connectors.
Lack of sufficient air flow inside the system may damage the
motherboard components. These are not jumpers! DO NOT place
jumper caps on the fan connectors!
•
All fans feature the ASUS Q-Fan technology.
6.
Backplane SMBus connector (6-1 pin BPSMB1)
This connector allows you to connect SMBus (System Management
Bus) devices. Devices communicate with an SMBus host and /or other
SMBus devices using the SMBus interface.
FRNT_F
KFNS-D-SLI
KFN5-D SLI Fan Connectors
GND
Rotation
+12V
GND
Rotat
+12V
REAR_FAN1
REAR_FAN2
GND
Rotation
+12V
FRNT_FAN1
AN2
GND
Rotation
+12V
CPU_FAN1
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CPU_FAN2
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CPU_FAN1
CPU_FAN2
REAR_FAN1
REAR_FAN2
FRNT_FAN1
FRNT_FAN2
KFNS-D-SLI
KFN5-D SLI
SMBus Connector
BPSMB1
1
I2C_CLK#
GND
I2C_DATA#
+5VSB
FAN_PWM