[Coco] 256k upgrade

[Bruce W. Calkins]

----- Original Message ----- 
From: "John W. Linville"
> On Tue, Feb 02, 2010 at 06:48:13PM -0500, Bruce W. Calkins wrote:
>
>> One Caveat;  they provided support for OS-9 Level 1, but no one has yet
>> figured out what needs correcting for NitrOS9 Level One.  Quite simply,
>> NitrOS9 will not boot.
>
> Any idea how OS-9 used the upgrade memory?  The large banks makes
> the usage patern non-obvious to me.
>
> John

The major use was as a RAM disk.  My recollection is hazy as to any other 
uses.  There is a RS DOS program that uses some sort of bank-switching for a 
rotating world display.

Bruce W.