Fan Connectors - Dfi Pe21-Ec Manual Del Usuario

1.3.11 IrDA Connector
1 VCC
2 N. C.
3 IRRX
4 Ground
5 IRTX
The sequence of the
pin functions on
some IrDA cable
may be reversed
from the pin function
defined on the
mainboard. Make
sure to connect the
cable to the IrDA
connector according
to their pin functions.

1.3.12 Fan Connectors

CPU Fan
1 Ground
2 12V
3 Sense
Chassis Fan
1 Ground
2 On/Off
3 Sense
Second Chassis Fan
1 Ground
2 Power
3 N. C.
Quick Setup Guide
1 2 3 4 5
IrDA (J15)
1
2
3
Second chassis
fan (J16)
1
1 2 3
CPU fan
(J23)
1
2
3
Chassis fan
(J25)
23