Samsung SH-W162L-LCAH - Manual (Page 14)

and Connecting Cables
Installing DVD±R/RW Drive
a : Slave Drive (Select the SL jumper)
b : HDD
c : MotherBoard
When you use two E-IDE cables
Set the jumper to MA (Master) in the Master/Slave port in the back of the DVD±R/RW Drive.
When you have one DVD±R/RW Drive: Set it to MA (Master)
a : Master Drive (Select the MA jumper) b : HDD
c : Motherboard d : Primary 1
e : Secondary 1
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Connecting E-IDE Cable
When you use one E-IDE cable
Set the jumper to SL (slave) in the Master/Slave port in the back of the DVD±R/RW Drive.