American Megatrends EZ-Flex User Manual page 36

Step 7 Connect the Cables,
Connect Speaker Cable to P013
Connect the speaker cable to P013, a four-pin berg. A
standard 8 ohm speaker should be connected to P013. The
following graphic shows a four-pin berg and connector. The
adjacent table shows the pinouts for P013. Pin 1 is labeled
on the Base Board.
Connect P012 Keyboard Lock Connector
P012 can be connected to the front panel power-on LED
and keyboard lock switch. The keyboard lock switch
disables system boot or entering Setup until the lock is
unlocked. P012 is a five-pin single-inline berg.
Pin
1
2
3
4
5
Chapter 4 Installation
30
Continued
Pin
1
2
3
4
Description
LED power
Key
Ground
Lock
Ground
Description
Speaker Data
N/C Key
GND
+ 5 Volts