Disk hardware emulation, was Re: Grandfather system RTE6/VM?

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From: Eric Smith <eric_at_brouhaha.com>
Date: Thu Dec 11 13:57:32 2003

Andy wrote:
> By "RLL" I assume you mean RLL 2,7 (at least 2 transitions in every 7 bit
> times) - the one that gave about 50% greater capacity than MFM on "the
> same"
> drives.
> "MFM" is technically RLL 1,2 (ISTR)
> There was also a controller whose name escapes me that used RLL 3,9 to get
> 90% greater capacity.

RLL 1,7 is also common.
Received on Thu Dec 11 2003 - 13:57:32 GMT

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