hot to set a scratch disk on final cut

  Go to Final Cut Pro!

 Go to File -> select New Project and a new project and sequence will come out!

 Go to Final Cut Pro -> select System Settings

 Set the settings all in the same folder HD2 then select your folder
WaveForm Cache,Thumbnail Cache,Autosave Vault

Then go to File-> Save project as...and save it in the same folder HD2

Save this in your own folder created by you with your name.

Then go to File- and click Close project. An that's it