Re: A89: HW2 Images


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Re: A89: HW2 Images




Either cost or availability.  Perhaps they found the 3 month lead time on their
custom part prohibitive, or they found that 3 seperate common chips are less
expensive (including the extra cost of assembly...).

-Adam

Jonas Lööf wrote:
> 
> On Thu, 12 Oct 2000, Olle Hedman wrote:
> 
> >
> > If anyone is interested, I have updated my Ti89 Hardware page with nice
> > scans of the "motherboard" in a HW2 calc, to complement the scans of the HW1
> > that was already there.
> 
> It is intresting to note that they have switched to using a standard CPU
> from Motorola (the MC68SEC000PB16) in the HW2, instead of the integrated
> CPU/LCD-Controler/IO-Manager used in the HW1. Anyone care to guess why?
> 
> /Jonas



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