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

3.15 External Switches and Indicators

There are several external switches and indicators for monitoring and

controlling your CPU board. All the functions are in the CN7, CN12, and

CN20 connectors.

• Suspend Led Connector (CN7)

PIN Description

1 LED+
2 LED-

• ATX Power On/Off Button Connector (CN12)

PIN Description

1 PWR_BUTTON+
2 GROUND

• CN20: Multi Panel

PIN Description PIN Description

POWER-LED +

SPEAKER -

3 N/C

4 N/C

5 POWER-LED

6 N/C

7 KEYLOCK+

8 SPEAKER

+5V

9 KEYLOCK-

10 RESET

11 GROUND

12 RESET SW GND

13 HDD LED+

14 HDD LED -

3.16 IEEE-1394 Connector

NOVA-7820 is equipped witch IEEE1394 controller (TI TSB43AA22). You

can connect it to your 1394 device through CN21, 36 connectors. The pin

assignments are as follows:

• CN21: 1394 Connector

PIN Description PIN Description

1 VCC12V 2 GROUND
3 TPB- 4 TPB+
5 TPA- 6 TPA+
7 NC/FG 8 NC/FG

• CN36: 1394 Connector

PIN Description PIN Description

1 VCC12V 2 GROUND
3 TPB- 4 TPB+
5 TPA- 6 TPA+