3.5" MFM hard disk

From: Jeffrey l Kaneko <jeff.kaneko_at_juno.com>
Date: Tue May 29 11:31:33 2001

That's possibly the RLL version of the same card; ACB-4070.
These were used alot on fileservers in the mid-80's (although,
I must admit I've never seen one with a 3.5" formfactor).

Oh yeah, there's also an ACB-55xx series, this family
was more diverse: They made a model that could do
SMD<->SCSI, f'rinstance. I have one of these, but it doesn't
work.

These were all *partial* SCSI implementations. The
*real* scsi boards were the ACB-4520/25's. These were
for ESDI drives, though.

On Tue, 29 May 2001 08:38:58 -0600 "Richard Erlacher" <edick_at_idcomm.com>
writes:
> That's not necessarily the case!
>
> I recently got a SCSI box, originally designed as an attachment for
> a MAC, that
> had a 3-1/2" drive (the one the configuration of which I don't
> recall) on the
> order of 40 MB, but which had a board that I remember as NOT being
> an ACB-4000,
> though it was of the 40xx series. It was, IIRC, an ADAPTEC board,
> but an RLL
> board and, oddly enough, of a 3-1/2" form factor.
>
> I'll look at it and let you know what it is.
>
> Dick
>

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Received on Tue May 29 2001 - 11:31:33 BST

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