B.12 Power LED and Keyboard Lock (CN16)
You can use an LED to indicate when the CPU card is on. Pin 1 of CN16 supplies the LED's power, and Pin 3 is the ground.
Table B.12: Power LED and keylock connector (CN16)
Pin Function
1LED power (+5 V)
2NC
3GND
4Keyboard Lock
5 GND
B.13 External Speaker Connector (CN17)
The CPU card has its own buzzer. You can also connect it to the external speaker on your computer chassis.
Table B.13: External speaker (CN17)
Pin Function
1+5 VCC
2GND
3Internal buzzer
4Speaker out
111 | ChapterB |
