IBM Partner Pavilion 6350 - Manual (Page 61)

4. Remove the metal shield from the drive bay by inserting a flat-blade
screwdriver into one of the slots and gently prying it loose.
5. Make sure the drive that you are installing is set correctly as either a master or
a slave device.
v If it is the first CD drive or DVD drive, set as a master device.
v If it is an additional CD drive or DVD drive, set as a slave device.
v If it is a hard disk drive, set as a slave device.
Refer to the documentation that comes with your drive for master/slave
jumper information.
Chapter 5. Installing internal options — microtower model 49