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Backplane

A project log for Retro rack and backplane computer

Old style modular system for development of retro computers

Hacker404Hacker404 04/06/2017 at 11:461 Comment

I've started laying out the back plane -

I am having some issues. The backplane is bigger than a A4 sheet of paper so I have been cutting the width of it back. It is still printing out of proportion and I don't know why. What should be 11 inches is coming out as 10.9 inches on paper.

After this issue occurred I went and checked my etching bowl and it's too small as well :(

The connectors arrived, 5 of each. Enough to get started.

The layout is like this -

Power

8 signals

GND

8 signals

Power

8 signals

GND

8 Signals

Power

8 signals

GND

8 Signals

Power

8 signals

GND

Discussions

Yann Guidon / YGDES wrote 04/06/2017 at 19:15 point

MOAR POWA !!!

:-)

I'd use more ground and power traces but it's hard because you use only 64 of the 96 pins.

Seriously, if you can etch that by hand, you're a genius. I'd rather chase a used backplane on eBay...

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