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3.9 IrDA Infrared Interface Port
The SAGP-648E comes with an integrated IrDA port which supports
either a Serial Infrared (SIR) or an Amplitude Shift Keyed IR (ASKIR)
interface.
•
IR1: IrDA Connector
PIN Description
1 VCC
2 NC
3 IR-RX
4 Ground
5 IR-TX
6 CIR-RX
3.10 Fan
Connector
SAGP-648E also has a CPU with cooling fan connector and chassis fan
connector, which can supply 12V/500mA to the cooling fan. There is
a “rotation” pin in the fan connector, which transfers the fan’s
rotation signal to the system BIOS in order to recognize the fan speed.
Note that only specific fans offer a rotation signal.
•
FAN 1: CPU Fan Connector
PIN Description
1 Rotation
Signal
2 +12V
3
Ground
3.11 Digital I/O Connector
SAGP-648E has a 4-bit IN and 4-bit OUT built-in digital I/O connector.
The DIO is 5V CMOS signal. Internal pull-up is existed on the output.
•
CN4: 10-pin Digital I/O Connector
PIN Description PIN Description
1 GROUND 2
+5V
3 Digital
Output_3 4 Digital
Output_2
5 Digital
Output_1 6 Digital
Output_0
7
Digital Input_3
8
Digital Input_2
9
Digital Input_1
10
Digital Input_0