[Coco] Re: CoCo needs?

[jdaggett at gate.net]

Roger

According to the data sheet.

Pin #25 on the 2971/3 will activate an internal divide by 2 of the clock if the clock is 
2MHz. On the 2975/7 this is side select output. 

Also the spec states that the 1973 and the 2973 are software compatible. 

where can one get 2973?  How much? Dip or PLCC?

james



On 8 Mar 2005 at 20:11, Roger Merchberger wrote:

Date sent:      	Tue, 08 Mar 2005 20:11:25 -0500
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From:           	Roger Merchberger <zmerch at 30below.com>
Subject:        	Re: [Coco] Re: CoCo needs?
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> Are they similar enough to the 1773? (Those seem to be made of pure
> unobtanium... :-(  ) I can find 2793's... I yet have some totally
> blank Disto Super Controllers just waiting for parts...
> 
> Also, can you change the datarate to the 2793 so you could
> (theoretically) access HD floppies? AFAIK, that cannot be done with
> the 1773. (Not a big deal to me per se... but it could be fun to
> tinker with! ;-) )