IBM ThinkCentre 8141 User Manual page 35

8. 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 PATA IDE connector on the system board. See "Identifying parts on
the system board" on page 11.
3. Connect one end of the signal cable to the drive and the other to the PATA IDE
connector on the system board. To reduce electronic noise, use the connectors at
the end of the cable only.
4. Your computer has extra power connectors for additional drives. Connect a
power connector to the drive.
Connecting an additional CD drive, DVD drive, or parallel hard
disk drive
1. Locate the PATA IDE connector on the system board and the three-connector
signal cable. See "Identifying parts on the system board" on page 11.
2. Connect the extra connector in the signal cable to the new drive.
3. Your computer has extra power connectors for additional drives. Connect a
power connector to the drive.
Connecting a serial ATA hard disk drive
A serial hard disk drive can be connected to any available SATA connector.
1. Locate the signal cable that comes with the new drive.
2. Locate an available SATA connector on the system board. See "Identifying parts
on the system board" on page 11.
3. Connect one end of the signal cable to the drive and the other to an available
SATA connector on the system board.
4. Your computer has extra power connectors for additional drives. Connect a
power connector to the drive.
Chapter 1. Installing options
19