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Re: Interesting Disk controller variant



On Aug 24, 11:05 am, Patrick Schaefer <pa.schae...@web.de> wrote:
> Before the switch does anything useful, you'll need copies of the 13
> sector P5 and P6 ROMs.
>
> This Taiwanese el-cheapo design works fine with EPROMs faster than
> 250ns. Don't use your oldest 2758 only because 1kB is enough.
>
> Patrick

Unless of course there's both 13 and 16 sector already in the EPROMs.
If they did it for some controllers then it might make sense for all
the
EPROMs to be the same. Or maybe none had it and they just ran the
traces to leave the possibility open.

Wayne