[Coco] BASIC and Disk BASIC version numbers
Robert Gault
robert.gault at worldnet.att.net
Sat Dec 13 07:22:38 EST 2003
Gene Heskett wrote:
> On Friday 12 December 2003 21:29, John E. Malmberg wrote:
>
>>Bruce Calkins wrote:
>>
>>>The problem these controllers had with OS-9 is in the controller
>>>chips
>>>
>>>inability to cope with 1.78 MHZ operation.
>>
>>This is the first that I have heard about a 1.78 Mhz limitation for
>>the first generation disk controller.
>>
>
> Ditto John. I've got one that works just fine. But I don't use it
> because I've also got a no-halt.
>
I've heard of this timing limitation with some controller boards. It was
a cap on the board that corrupted a square wave. Changing the value
corrected the problem. So it was not the controller perse but the board
design at fault.
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