Possible to speed up I/O subsystem of 5150?

From: Patrick Finnegan <pat_at_computer-refuge.org>
Date: Wed Dec 15 19:25:18 2004

On Wednesday 15 December 2004 19:45, Paul A. Pennington wrote:
> There was one 8-bit ISA hard disk controller card for the IBM PC
> or XT that would do a 1:1 interleave, from Patterson Labs. Don't
> know how they did it, but they worked. They were always unusual,
> probably impossible to find today, but Google it.
> RLL was way too fast for the PC/XT bus at 1:1 interleave, but
> there was at least one 8-bit controller from Seagate that worked with
> only one 30 MB IDE drive. I don't remember the numbers. They would
> work with a higher interleave, 3 or 4 sounds about right.

Why not just get a SCSI controller? Surely you can get an AHA-1542 or
something to work on an 8-bit bus, and it'll probably have better
performance (and easier to find disks) than any IDE or MFM/RLL (ST-506)
controller for the era.

Purdue University ITAP/RCS        ---  http://www.itap.purdue.edu/rcs/
The Computer Refuge               ---  http://computer-refuge.org
Received on Wed Dec 15 2004 - 19:25:18 GMT

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