Prototype 128D with 3.5 inch Drive
Page 2



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And here it is, the motherboard.


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Heavily modified to make this
European computer work with
North American standards.


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Here you can see where chips were replaced with sockets. Also other changes. I don't understand why the keyboard connector was changed.


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Motherboard in place.


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Here's the reworking of the Z80 area.


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The MMU changes.


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This is the video changes, to make
it work with North American
standards. I think this machine was
a sample European 128D used to
see what it would take to make a
North American model.


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CAS Disable?


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