4-10 Chapter 4: Motherboard info
8. CPU, chassis, and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin PWR_FAN)
The fan connectors support cooling fans of 350 mA~2000 mA (24 W
max.) or a total of 1 A~7 A (84 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.
Insufcient air ow inside the system may damage the motherboard
components. These are not jumpers! Do not place jumper caps on the
fan connectors!
Only the CPU-FAN connectors support the ASUS Q-FAN feature.
P5K-VM
®
P5K-VM Fan connectors
CPU_FAN CHA_FAN1
GND
Rotation
+12V
PWR_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
GND
Rotation
+12V
9. Serial port connector (10-1 pin COM1)
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.
P5K-VM
®
PIN 1
COM1
P5K-VM COM port connector
The serial port module is purchased separately.
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