HP Pavilion t112 Supplementary Manual page 23

4 Attach the IDE and power supply cables to the
back of the hard drive.
Warning:
Make sure the IDE cable
end labeled Master is connected to the
primary hard drive. If you have a second
hard drive, make sure the IDE cable
labeled Slave is connected to the second
hard drive. If the IDE cable is not
connected correctly, the PC will not be
able to locate the hard drives and data
may be lost.
5 Replace the side panel. See page 5.
Upgrading and Servicing the PC
19