14
Step 6. Connect the Reset button
The 2-pin reset header is located on pins 9--10 (marked as RESET) of the front panel connector.
Connect the momentary type switch on the chassis to this header for reset function.
Signal of RESET header
Pin 9
Ground
Pin 10
RESET
Step 7. Connect the Speaker
The 4-pin speaker header is located on pins 17--20 (marked as SPEAKER) of the front panel
connector. Connect the speaker to this header.
Signal of SPEAKER header
Pin 17
VCC
Pin 18
Ground
Pin 19
NC
Pin 20
BUZZ
Step 8. Connect the power LED and keylock switch
The power LED and keylock header is located on pins 11--15 (marked as KEYLOCK) of the
front panel connector. It contains two functions: the power on LED header and the keylock header.
Connect chassis’s power LED and keylock switch (if supported) to these headers.
Signal of KEYLOCK header
Pin 11
Anode (+)
Pin 12
NC
Pin 13
Cathode (-)
Pin 14
KEYLOCK
Pin 15
Ground
Step 9. Connect the IDE LED
The 2-pin IDE LED header is located on pins 5--6 (marked as IDE LED) of the front panel
connector. Connect the chassis’s LED to this header.
Signal of IDE LED header
Pin 5
Anode (+)
Pin 6
Cathode (-)