HP CD-Writer Plus Internal 8110i Drive - Manual (Page 19)

1-10 Installing a CD-Writer Plus in an Empty Drive Bay
12A. Locate the recommended 40-pin IDE controller (primary or secondary)
on your computer’s motherboard.
The IDE connectors are on the motherboard, which is the largest circuit
board in your computer, taking up most of the bottom of a desktop
computer or the side of a tower computer.
IDE connectors are usually found in pairs and may look like any of the
following:
(Actual size)
manual if you need
See your computer’s
IDE connectors
help finding the
IDE connector
You will see a variety of connectors
inside your computer that look similar
to the 40-pin connector but have more
or fewer pins. Find the connectors that
are the correct size to fit the cable that
came in the box with your drive.