IBM A50 User Manual page 33

7. Install the drive into the bay. Align the screw holes and insert the two screws.
8. Pivot the drive-bay cage back into place.
9. A hard disk drive requires two cables; a power cable that connects to the power
supply and a signal cable that connects to the system board.
v A parallel ATA hard disk drive requires a four-wire power cable.
v A serial ATA hard disk drive requires a five-wire power cable.
The steps to connect a drive are different depending on the type of drive you are
connecting. Use one of the following procedure for your drive connection.
Connecting the first CD drive or DVD drive
1. Locate the three-connector signal cable that comes with your computer or with
the new drive.
2. Locate the secondary IDE connector on the system board. See "Identifying parts
on the system board" on page 10.
Chapter 1. Types 8149, 8177, and 8178
17