Thanks for the help, everyone.
I changed the name of the thread to better reflect what happened. I may have even done multiple things wrong, but the drive did stop working when I hot plugged (one of the things I did wrong) the BlueSCSI device in.
The files on the drive have sentimental value...
Long story short, I didn't read the directions my first time using BlueSCSI.
When I plugged the device in, my Performa 6115CD running OS7.6 (I believe) crashed.
After restarting, the computer works and can boot off a CD, but I cannot boot off the hard drive and I get an error message that...