Reading TRS-80 discs (was RE: Archiving old discs...)

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Tue Sep 14 15:01:53 1999

On Tue, 14 Sep 1999 allisonp_at_world.std.com wrote:
> > Will support single density / FM:
> > . . .
> > Will NOT support single density / FM:
> > . . .
> Totally incorrect, all support SD *IF* software and external data
> seperators/clocks are correct.
> . . .

As Allison pointed out, with the 765 and copies, it becomes an issue of
the board design and implementation, because there was some trivial
additional circuitry required for FM. But with the 37C65 series, there
seemed to be little or no extra circuitry required for FM. Is that
correct?

A question for Allison:
Which, if any, of the chips will do FM regardless of the board design and
implementation? Or is it ALWAYS an issue of board rather than chip?
Received on Tue Sep 14 1999 - 15:01:53 BST