HP CD-Writer Plus User Manual page 25

1-16
"CD-IN" vertical
connector
"CD-IN" horizontal
connector
The large connector or the small connector
may be the one that works for your
sound board. Use only one connector.
Installing a CD-Writer Plus in an Empty Drive Bay
Next, connect the other end of the audio cable to the sound board inside
your computer.
Audio
cable
Sound board
Tips for connecting the audio cable to the sound board
Identify the sound board.
To identify the sound board look for microphone connectors on the back
of your computer. The circuit board inside the computer attached to the
microphone connectors is the sound board.