Nova Natural NOVA-7820 VIA C3 Processor CPU Embedded Board Benutzerhandbuch

3.8 Keyboard

Connector

NOVA-7820 provides 6-PIN MIN-DIN keyboard/mouse connector.

• CN16: 6-pin Mini-DIN Keyboard/Mouse Connector

PIN Description

KEYBOARD DATA

MOUSE DATA

GROUND

+5V

KEYBOARD CLOCK

MOUSE CLOCK

3.9 IrDA Infrared Interface Port

NOVA-7820 has a built-in IrDA port which supports Serial Infrared (SIR) or

Amplitude Shift Keyed IR (ASKIR) interface. To use the IrDA port, set SIR

or ASKIR model in COM 2 of BIOS Peripheral Setup. Then the normal RS-

232 COM 2 will be disabled.

• IR1: IrDA Connector

PIN Description

1 VCC5V
2 N/C
3 IR-RX
4 GROUND
5 IR-TX

3.10 Fan Connector

NOVA-7820 provides CPU cooling fan connector and system fan connector.

CPU connectors can supply 12V/500mA. The Fan’s rotation is in full speed.

• FAN1, FAN3: Fan Connector

PIN Description

1 SENSOR
2 12V
3 GROUND