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MITS 88-2SIO Reproduction

glitch

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Joined
Feb 1, 2010
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5,051
Location
Central VA
I know everyone has been waiting on this for a while :p Prototype boards finally arrived this morning:



Marked as reproductions, of course:

 
Ready for wiring! What's shown is pretty much the parts that will be used for the parts kit.

 
Wired up! Set for default addressing (0x10 - 0x13, 20-23 octal) and RS-232 level shifting. We'll have to build another to test current loop:



Washed up and in the drying cabinet now.
 
Done drying, IC sockets stuffed, bitrate selection jumpered:



Wire wrap pins installed for the bitrate selection. The holes on the reproduction have been enlarged to accept a Mill-Max press fit pin; these aren't those because I can't find the samples :p



Installed in the IMSAI for testing:



It works!

 
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