IIsi don't recognize floppy disk

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Joined: Feb 10 2008
Posts: 2

My old Mac IIsi floppy drive was full of dust and it could not read any floppies. I replaced it with another drive (cradle 805-5050-A, no markings in drive itself, it looks like SONY MP-F75W). For some reason it cannot read 1.44 MB disks and it formats blank disks to 880K capacity.

I know that 805-5050-A parts were used in some other Mac IIs, but I assumed that drives are interchangable.

Any tips how to proceed?

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themike's picture
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Joined: Jul 21 2004
Posts: 455
Do you have another drive you

Do you have another drive you could try? It sounds like maybe the one you've tried is an 800k drive.

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Joined: Feb 10 2008
Posts: 2
Got it working

I carefully cleaned the dust from old drive and now it's up and running.