Asus KFN4-D16 User Guide - Page 50

SMBus devices using the SMBus interface.

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Page 50 highlights

• 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 Smart Fan technology. CPU_FAN2 CPU_FAN2 CPU_FAN1 CPU FAN PWM CPU FAN IN CPU FAN PWR GND GND CPU FAN PWR CPU FAN IN CPU FAN PWM FRNT_F AN1 FRNT_FAN2 Rot+a1ti2oVn GND KFN4-D16/SAS CPU_FAN1 FRNT_FAN1 GR+1oN2tDaVtion FRNT_FAN2 REAR_FAN2 REAR_FAN1 KFN4-D16 (Series) FAN connectors REAR_FAN2 REAR_FAN1 Rot+a1ti2oVn GND Rot+a1ti2oVn GND 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. KFN4-D16 (Series) SMBus connector 7. USB connectors (10-1 pin USB3, USB4) These connectors are for USB 2.0 ports. These connectors comply with the USB 2.0 specification that supports up to 480 Mbps connection speed. 2-30 Chapter 2: Hardware information

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2-30
Chapter 2: Hardware information
•
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 Smart 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.
7.
USB connectors (10-1 pin USB3, USB4)
These connectors are for USB 2.0 ports. These connectors comply
with the USB 2.0 specification that supports up to 480 Mbps
connection speed.
KFN4-D16/SAS
CPU_FAN1
CPU_FAN2
REAR_FAN2
REAR_FAN1
FRNT_FAN1
FRNT_FAN2
GND
Rotation
+12V
GND
Rotation
+12V
GND
Rotation
+12V
GND
Rotation
+12V
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CPU_FAN1
CPU_FAN2
REAR_FAN1
REAR_FAN2
FRNT_FAN1
FRNT_FAN2
KFN4-D16 (Series) FAN connectors
KFN4-D16 (Series) SMBus connector