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
1
2
3
4
5
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
1
2
3
4
Function
LED power (+5 V)
NC
GND
Keyboard Lock
GND
Function
+5 VCC
GND
Internal buzzer
Speaker out
117
Appendix B