On 10/30/2017 10:35 PM, couryho...@aol.com wrote:
Jim I thought  all TI  computers  had  one? But  I  am new to  TI's never owned one  when were new...  just  dealing with one in a  museum  environment  now.
The only produced home machine, the 99/4(a), did not, but there is a prototype HexBus adapter. The 99/2 and 99/8 I believe both had the bus, as does the TI 74 and TI 95 (the physical conn is different, but the bus is the same)

Jim

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