[Coco] Os9 on SDC Card supporting 20 MB harddrive

[Gene Heskett]

On Wednesday 22 April 2020 10:54:45 Allen Huffman wrote:

> On Apr 21, 2020, at 7:53 PM, phil pt <ptaylor2446 at gmail.com> wrote:
> > Did they change that to because the Old os9 level 2 would support up
> > to 24 00 or 9600 baud on the /t2 port?
>
> /t2 should go as fast or faster than back then under NitrOS9 today.
>
There is a hack that can make it run at 56k but I have changed the 
crystal and made it serve as a midi output at 31,250, worked well with 
os9's ultimuse back in the day. I had a keyboard attached to both ports.

> /t1 is a software fake toggling bits on and off so it takes more CPU
> time and does not input well since it misses bits while doing other
> things.

Cheers, Gene Heskett
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