Asus Prime X399-A User Manual page 35

7. CPU, CPU optional, cover, AIO pump, water pump+, extension, M.2, and chassis
fan connectors (4-pin CPU_FAN; 4-pin CPU_OPT; 3-pin COV_FAN; 4-pin AIO_
PUMP; 4-pin W_PUMP+; 4-pin M.2_FAN; 5-pin EXT_FAN; 4-pin CHA_FAN1-3)
Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.
PRIME X399-A Fan connectors
• DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow
inside the system may damage the motherboard components. These are not jumpers!
Do not place jumper caps on the fan connectors!
• Ensure that the CPU fan cable is securely installed to the CPU fan connector.
• The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power.
• W_PUMP+ function support depends on water cooling device.
• Connect the fan of your water cooling kit to the AIO_PUMP connector.
ASUS PRIME X399-A
CPU_OPT
A
A
B
C
D
AIO_PUMP
D
AIO PUMP PWM
E
AIO PUMP IN
AIO PUMP PWR
F
GND
G
H
I
J
CHA_FAN2
G
M.2_FAN
J
CPU_FAN COV_FAN
B C
CHA_FAN3
CHA_FAN1
E F
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
EXT_FAN W_PUMP+
H
I
GND
COV FAN PWR
COV FAN IN
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