User`s manual

72 PCN-6351/6351L User's Manual

C.1 Ext. Line Pin Header (JP1)

Table C-1: Ext. line pin header (JP1)

Pin Function Pin Function

1NC 2NC

3 GND 4 NC

5 GND 6 ATX Power on/off

7 GND 8 RESET

9 HD LED - 10 HD LED +

11 Power LED + 12 NC

13 NC 14 Speaker +

15 GND 16 NC

17 KeyLock 18 Buzzer -

19 GND 20 Speaker -

Note 1: To use a buzzer, you must short pins 18 and 20.

Note 2: The speaker and buzzer functions cannot be used

simultaneously.

420

19 3

17 1