Sporniket's log on hardware stuff

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sporniket
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Re: Sporniket's log on hardware stuff

Post by sporniket »

Release Candidate #2 coming soon...

2021-07-02--ERC-ok.png
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Edit : the pdf of rc2

c300780-001--Atari-STe-Motherboard.pdf
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sporniket
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Re: Sporniket's log on hardware stuff

Post by sporniket »

After the tedious task of designing and assigning footprints, let's start the fun !

2021-07-10--entering-the-dungeon.png
2021-07-10--entering-the-dungeon.png (296.42 KiB) Viewed 3368 times

What's nice, is that all the components from the same subsheet are grouped together in an easy to select rectangle, allowing to work sheet by sheet.

2021-07-10--wip.png
2021-07-10--wip.png (836.66 KiB) Viewed 3368 times

I don't plan to do the full trace -yet, never say never-, but while placing, I can trace some obvious paths.

I also plan to promote the Kicad project into its own github repository. For now I prepare the git submodules regarding the custom libraries (symbols, footprint and 3d shapes)
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sporniket
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Re: Sporniket's log on hardware stuff

Post by sporniket »

done placing component from sheet 5 and 6 (I'm going backward)

2021-07-12--sheet-5-to-6.png
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exxos
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Re: Sporniket's log on hardware stuff

Post by exxos »

Taking shape :thumbup:
https://www.exxosforum.co.uk/atari/ All my hardware guides - mods - games - STOS
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viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
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DoG
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Re: Sporniket's log on hardware stuff

Post by DoG »

4 layer or are you doing 2 layer?
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sporniket
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Re: Sporniket's log on hardware stuff

Post by sporniket »

exxos wrote: Mon Jul 12, 2021 7:16 pm Taking shape :thumbup:
Yes :)
DoG wrote: Mon Jul 12, 2021 7:41 pm 4 layer or are you doing 2 layer?
4 layers, with ground planes on the 2 inner layers.
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sporniket
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Re: Sporniket's log on hardware stuff

Post by sporniket »

Today's progress : sheet 4 is done, and sheet 3 is started, with the floppy drive circuitry.

2021-07-14--wip.png
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sporniket
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Re: Sporniket's log on hardware stuff

Post by sporniket »

2 sheets of components remains to place before doing some more routing. And for that I will need to disassemble my STe more thoroughly to get the motherboard and take plenty of pictures of the solder side.

2021-07-14--close-up--dma-and-co.jpg
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and a little timelapse (very flickering as I alternate between pictures and kicad)


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DoG
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Re: Sporniket's log on hardware stuff

Post by DoG »

Great progress!
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