Samsung SC-148A Manual page 9

Setup
Connecting the power cable
The 4-pin power cable from the internal power unit of your computer must be connected to the power
terminal on the rear of the CD-ROM drive.
A - Cut Side
Note: An improperly connected power cable may cause trouble. Check the direction of the power connector
and the incline side of the CD-ROM drive before connecting.
Connecting the IDE cable
Insert the IDE cable (40-pin), which is connected to the hard disk to the interface terminal.
(Place the red line of the cable close to the Pin 1.)
When using one IDE cable
Connect the cable to the SL (Slave) of the Master/Slave Select Terminal at the rear of the CD-ROM
drive.
a : Slave Drive (Choose the SL Jumper)
b : Hard Drive
c : MainBoard
When using two IDE cable
If there is only one CD-ROM drive, select MA (Master).
1 +5V DC
2 Ground
3 Ground
4 +12V DC