Asus ROG STRIX B350-F GAMING Manual page 24

2. CPU, CPU optional, AIO pump, and chassis fan connectors (4-pin CPU_FAN,
4-pin CPU_OPT, 4-Pin AIO_PUMP, 4-pin CHA_FAN)
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.
strix b350-F GAMING
ROG STRIX B350-F GAMING 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! The CPU_FAN connector supports a CPU fan of
maximum 1A (12 W) fan power.
3. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
strix b350-F GAMING
ROG STRIX B350-F GAMING Serial port (COM) connector
The COM module is purchased separately.
1-12
A B
CPU_FAN CPU_OPT
A
B
C D
AIO_PUMP CHA_FAN1
C
GND
CHA FAN PWR
D CHA FAN IN
+5V
E
F
COM
PIN 1
F
E
CHA_FAN2 CHA_FAN3
GND
CHA FAN PWR
CHA FAN IN
+5V
Chapter 1: Product Introduction