And if you build it properly the plugs will naturally fit (no twist in the cable needed) whether you route the cable over the top of the boards or underneath… I usually go underneath… for those who’ve not used a Z80/Z37 combo before: the other end of the cable goes into the socket that would normally house a 74LS148 chip in the lower right corner of the Z80 CPU board. On the Rev 3.1 and Rev 4 boards this is U16. Simply remove the 74LS148 and save it in anti-static foam in case you ever want to run the board without the Z37 connection… when the Z37 is connected you’ll need to change 3 jumpers on the CPU board (see jumper config instructions on Norberto’s site)…
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