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Eric Woo ran out of 40MHz parts :(

For something that's going to last a while - the Atten SD-862 seems to fit the bill, or the Quick 861DW.

3rd party Cache cards were a thing - it would be more than possible to design a new one - SRAM chips are now pretty cheap - it's just a matter of designing the controller, presumably for a CPLD like an ATF1508 / XC95144XL.

There's a strange problem regarding Acorns - a lot of the machines are simply just 'gone'. The Electron was the only mass-produced machine that sold in any appreciable numbers, getting one isn't too hard. Now, when you enter the realm of the Archimedes and the A-series (3000/3010/3020 etc) and...

Hi Jeff! Welcome to the asylum! :D There's plenty of info around here on how to do certain things with older macs - check out the resources section :)

It should be fairly simple to do in KiCAD as the pinouts for both are available in the libraries - the only thing i wouldn't know is what pins are used in that adapter. Where did you find that image, @Ron's Computer Videos ?

The forbidden salsa has been released! :D

Isn't that par for the course though? I've only ever seen BGA rework done with fresh balls, before the part is installed.

I'll take them! :D

I still need all the parts i listed originally :(

This reminds me, I need to get some of @max1zzz 's ROM's as well - Maaaaaax, I have to give you more money now 😛

@fehervaria / @JDW - Please direct your attention to the theme button at the bottom of the page - we have New Light Mode (beta) available - this is a light mode counterpart to the Dark mode theme we currently use. Please let us know what you think! :)

All files are now on the GitHub - BOM, PnP, Gerbers and the Sprint Layout.

Loving this thread, I'm gonna sticky it!

Love that it actually leverages the FPU! I'd be curious to see how fast it runs on a full 68882 equipped 030 machine :)

Have you thought about using a Gotek in place of the floppy drive?

Iirc I calculated them as 1k

@max1zzz made better ones than me :p

Rumours of my death are greatly exaggerated...!

Not for the github yet, just not had the time - however I did post both the BOM and the PnP earlier in this thread.