[Coco] Disk drive question

[Robert Gault]

gene heskett wrote:
> On Tuesday, January 17, 2012 09:57:29 PM Bruce W. Calkins did opine:
>
>> IIRC; the 1 and 2 meg memory systems needed OS-9 patched to boot.
>>
>> Bruce W.
>>
> That is a 1 byte patch in the init file IIRC, but I cannot quote the values
> off the top of my head.  Read, in the Nitros9 distribution, the init.asm
> file.
>
> Humph, now I can't find it in my own repo.  Perhaps its been moved to krn1
> now?  No clue, but it was in init that this byte set the number of 8k pages
> of memory the system had 20 years ago.  Sorry, thought I could pull it up
> in 30 seconds.  But apparently its been moved sometime over 15 years back.
> I did find a 19 year old version where byte $11 was $1F and I believe the
> fixed version was a $3F..  Bet on it?, nope, its been too long.
>

For what it's worth, I can boot a stock OS-9 Level2 with MESS and VCC configured 
with any amount of RAM 512K - 8Meg. The Init file has $1F at byte $11.

I'll try that tomorrow with a Coco3 8-Meg board and see what happens.