[sebhc] New CPU card
CarrollWaddell at sc.rr.com
Mon Jun 14 08:45:01 CDT 2004
Sounds good to me.
Lee Hart wrote:
>Carroll Waddell wrote:
>>That's an interesting idea, but finding some of the parts would be
>>difficult. The front keypad switches might could be replaced with
>>something a little more modern. I've never found those key switches
>I think that is naturally what you would do. They are a standard size
>and shape, and so would be easy to replace with something modern. At
>worst, it will have a different PCB layout footprint, but that doesn't
>matter if we are making a new PCB anyway.
>>I'm sure your idea could be built, but I feel like the board
>>would be too crowded to put together as a kit. Of course, it
>>might still be possible. I've always believed that almost
>>anything is possible.
>The front panel board is *very* uncrowded. I have a spreadsheet PCB size
>estimator, and it says the component density of a combined
>Z80+memory+front panel board is still less than 50%. So, I think it can
>be done without making it hard to hand-assemble.
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