Rodime 552 drive interface?

From: Geoff Reed <geoffr_at_zipcon.net>
Date: Tue Jun 24 16:47:00 2003

it looks like a mac floppy drive to the outside world, that's the
interface, it emulates a BIG floppy :)

At 03:45 PM 6/24/03 -0500, you wrote:
>All,
> a friend of mine had a question this group is probably best to
> answer:
>
>-------------
>I am trying to determine the type of interface on an old Rodime 552
>drive. It has 26 pins. SCSI has 50. IDE has 40. The old MFM used
>two cables, not one so I don't think it's MFM. I did find a listing for
>it at one of the surplus places in a table which lists interfaces, but all
>it said was "26 pin". I'm trying to figure out if the thing is
>actually one of the more common interfaces with a funny connector--perhaps
>all the GND pins have been combined into one reducing the pin count.
>
>This model of drive is found in the old Apple Hard Disk 20, which was the
>ancient floppy drive interface external hard drive used on Mac 128Ks and
>512Ks before the Plus with SCSI came out.
>----------------
>
> any help for him? Thanks in advance,
> - Mark
Received on Tue Jun 24 2003 - 16:47:00 BST