68kMLA Classic Interface

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Sider question
Posted by: waynestewart on 2014-01-10 20:22:37
I have a 20mb Sider hard drive that was working fine then when I turned it on it sped up way past the normal RPM. Of course also not working. Tried without the interface card with the same results. Tried with a different power supply as well. Now I’m wondering if the drives circuit board controls the speed or is that a function of the drive motor. My reason is that a long time back I got a few dead Siders from a former Apple II mail order seller. I believe there’s a couple of identical dead drives there.

Posted by: CelGen on 2014-01-11 17:24:44
What is the model of the hard drive itself?

Posted by: techknight on 2014-01-11 17:50:45
Find out if it uses an optical encoder as a feedback device, it may be bad.

Posted by: waynestewart on 2014-01-11 22:06:46
I mistakenly typed 20mb when it's actually a 40 mb. Sorry about that.

The drive is an Xebec 4040X

I have no idea if it uses an optical encoder

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