Apple disk controllers (was: Sharp MZ-80B boot disk

From: Fred Cisin <>
Date: Fri Dec 20 14:35:00 2002

On Fri, 20 Dec 2002, Eric Smith wrote:
> As far as I know, they ONLY worked with 8-inch drives. The one I used
> only did FM (single density). It's perhaps possible that they might have
> later offered an MFM (double density) version, although such a controller
> would have been rather more complicated. On an 8-inch MFM disk, you

I stand corrected.
SVA told me (at Comdex one year) about an MFM project, but I never saw a

Could you cable it to a "1.2M" drive and run a "high density" (~250K) FM
5.25? (77 track, 250K data transfer rate, etc.)
Received on Fri Dec 20 2002 - 14:35:00 GMT

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