intellec 8 imm8-62 8008 CPU board Proof of Life

  • Craig Andrews
  • Category intel intellec MDS, intellec imm8-82

I have populated and have nearly completed my testing of the intellec 8 imm8-82 8008 CPU board, the only part left to test are the HOLD.  the 8008 is a helpless little dude so there is a great amount of support logic to stretch or hold signals until the 8008 is ready to accept the signal.  The intellec backplane is designed with three buses from memory, I/O, and interrupts to the CPU and one address output bus and one output data bus.  This board multiplexes all the input buses from the backplane into one 8-bit bus for the 8008, and when in output mode that 8008 bus is fanned out to latches and drivers to place the data onto the backplane.  Despite the limitations, if you are an 8008 fan this is a great board to build and have in your collection.  

I am working on the documentation, build files will be available when the final board is released.  I have found one missing trace on this board so there will be at least one more revision.