I pulled out a Commodore 1541 drive from my dad's box of old Commodore stuff about a year ago, and when I tested it, it powered up, but the red status light stayed on, and I couldn't do anything with the drive except shut it off! What's the prob here? Is it bad chips? If it is, where's a good place where I can get replacements? BTW, it's the newer model with the door lever.