With MAC shutdown, install hardware ,startup , then :

1.First back up any Data that is important!

2.Start your Mac off of a Mac OS 9.1 (or later) Installer CD.

3.Launch Drive Setup .(found in the “Utilities” folder on the Mac CD)

4.Initialize the MAC HD.

5.Name the new “Untitled” HD , “MAC HD”

6.Do a “Easy Install” of the Mac OS on the Mac HD.

7.Restart when completed.(eject CD when you can)

8.Now make Appletalk “inactive” (in the Chooser) , Set your Energy Control Panel to “Never”.

9.Go to the Extensions Manager , choose “Mac OS 9.x Base Set”.
Duplicate it and name it “ProTools”.

10.Now Restart.

11.Insert the Protools CD, install OMS and Restart.

12.Now install ProTools to the Mac HD , then Restart.

13.Thats it! Launch ProTools and Start recording! (You may want to read manual first though!!)