Followup: I replaced the dead PRAM battery and right after the clock still behaved just as it did before. I booted 7.1, set the date and time and now even after sitting for several weeks without a (main) battery the machine behaves as it should and displays the current date and time.
The ProDrive LPS drives usually suffer from sticky rubber bumpers that prevent the heads from moving. I believe there are some threads with pictures on how to fix this.
I agree 100%. Do not use it in this condition as there will be electrolyte everywhere and it might short out one of the driver chips and ruin your LCD. Ask me how I learned that. I was too late with recapping my 165 LCD and half the screen kept glitching. I ended up getting another LCD and...
I've come acrorss two MiniScribe drives recently and one of them just worked while the other one needed some oil to the bearing of the stepper motor and a low level format just as in your video. Since your drive shows loads of bad blocks I assume you're just out of luck, but you could try moving...