Asus F2A85-M - Serial Port and Fan Connectors

1-28
Chapter 1: Product introduction
The COM module is purchased separately.
5. 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.
Do not forget to connect the fan cables to the fan connectors. Insufcient air ow 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 2A (24 W) fan power.
• Only the 4-pin CPU fan and CHA FAN can support ASUS FanXpert feature.
F2A85-M
F2A85-M Serial port (COM) connector
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
F2A85-M
F2A85-M Fan connectors
CPU_FANPWR_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN
GND
CHA FAN PWR
CHA FAN IN
CHA FAN DC Mode
Rotation
+12V
GND
6. CPU and chassis fan connectors (3-pin PWR FAN, 4-pin CPU_FAN, and 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.