Asus RS160-E4/PA4 - Manual (Page 64)

Chapter 4: Motherboard information 4-12
7.. Serial.port.connector.(10-1.pin.COM2)
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.
The serial port module is purchased separately.
®
DSBF-DE/1U Serial port connectors
PIN 1
COM2
8.. CPU.and.system.fan.connector.(4-pin.FRNT_FAN3)
The fan connector supports cooling fans of 350 mA ~ 740 mA (8.88 W max.)
or a total of 2.1 A ~ 4.44 A (53.28 W max.) at +12V. Connect the fan cable to
the fan connector on the motherboard, making sure that the black wire of the
cable matches the ground pin of the connector.
DO NOT forget to connect the fan cable to the fan connector. Insufficient air flow
inside the system may damage the motherboard components. It is not a jumper!
DO NOT place a jumper cap on the fan connector!
®
DSBF-DE/1U Fan connector
FRNT_FAN3
GND
FAN Power
FAN Speed
PWM Control