I/O Magic 16X - Manual (Page 10)

4
Rear Panel
4. Audio output
This is a connector for output of analog
audio.
Pin 1 = Left channel
Pin 2 = Ground
Pin 3 = Ground
Pin 4 = Right channel
5. Device configuration
jumper
This is the jumper switch for selection of
the drive use mode and supporting PC. The
jumper goes on both pins vertically.
MA = Master
SL = Slave
CS = CSEL of
IDE interface.
Reserved = Do
not use.
6. Host IDE interface
This is a 40-pin I/O connector according to
the ATA specifications.
7. DC input This is the power supply input.