Nothing new from me- though the firmware thing is sounding better. Try all the stuff I posted. I hope someone else comes along with some more ideas!

Good luck,

--The Comodore

Just to be on the safe side, crack open your case and remove and re-plug all the cables going to and from your optical drive. While you're in there, give it a good dusting (if you haven't already)...

What I meant was your hard drive probably has two power connectors on the back. One that matches with this: http://en.wikipedia.org/wiki/Image:SATA_power_cable.jpg

and one that matches with this:...

Alright, with SATA you don't need to worry about Jumpers. You're good!

Make sure you don't plug in power to both power ports on the drive, though! I almost did that. There might be one legacy...

Is this the drive you originally tried this with or is it the replacement you mentioned a few posts up?

Its sounding like a bad drive to me if it is the original drive you tried to add.

Is it...

If you didn't change anything, then the jumpers on your motherboard should be fine as they are.

For your hard drive settings, check out this website to help you with that
...

Sounds like the drive isn't configured right, damaged, not installed right, or its some sort of fluke. Try physically reinstalling it, ensuring any jumpers are correctly set (most likely slave or...