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Well, technically and historically it's true - people did (and still do) use 1xx adapters with Portables as an 'unauthorized workaround'... But I agree a caveat could be added here, noting that the machine was not designed to run from an AC adapter (rather the adapter was designed to charge the...

There's an STL for the flat ones here: https://www.thingiverse.com/thing:2547630 I suppose this one could be altered for the 90deg ones?

Where / how did you order the cable? After replying earlier, I popped over to Digikey to see what kinds of assemblies they had but couldn't find anything with the four-row through-hole end... would love to know!

Oh man, I feel you on this... sometimes things just roll downhill with a vicious momentum. I did something similar with the keyboard flat cable for a Toshiba T4600c - cleaning off conductive paint thinking it was oxidation - then stupidly thought I could tin the cable instead but just melted in...

You don't necessarily need to own one... you may have a makerspace near you that will provide access to a printer, or in some areas there are printer shops... or on online outfit like JLCPCB offers printing services. Lots of options

This is totally a tangent, but it's funny to me that at VCF this year there was a talk on 1xx series PB collecting and both speakers recommended avoiding 100's because the caps are leaky and other usual issues, but man I couldn't disagree more. I love these weird little dudes, and mine is one...

Nice! With every PB100 saved, John Sculley lives an extra week.

OK then!

I can't speak with direct experience, but I've heard some folks having luck with this by formatting the image with Lido EDIT: Apparently not

Nice. Fujinet is ESP32 based

Actually - just saw this, should be available soon to DIY:

Nice. ADTPro with the IIc works great (easy to make a serial cable, just need floppies) - but they're also great emulators now, Floppy Emu, Fujinet, wDrive...

Hey that's great!! Congrats! Be sure to run some diagnostics to put the RAM etc through its paces and make sure everything is cool. The XPS one is pretty good: https://mirrors.apple2.org.za/ftp.apple.asimov.net/images/disk_utils/diagnostics/XPS Diagnostic IIe 1.0.5.dsk This one is the dealer...

I'm the eternal optimist... destined to be disappointed.

Nice! I'm surprised these finds are still happening... someone in another thread just found a Portable in case on the side of the road... maybe we're entering a new phase!?

And - I'm kind of joking but also not - if they're MT branded chips, just do a complete swap out (with sockets)

Well... assuming your CPU, MON, MMU, and IOU are all good, that only leaves the RAM afaik. Do you know which ROM version it has? Can you attempt the self diagnostic? When you replaced MRD7, did it have any effect?

Darn, I thought you had found something there, like a bad TMG (though a 1.02 doesn't seem like a bad output)... one last clock to check is Q3 on pin 16 of the TMG should also be 2.05. If that's good, then you need to check for RDY, IRQ, and NMI on the CPU - they should all be high. Pins 2, 4...

hm, afaik CAS should be the same as RAS (i.e. both should be 2.040968)

When looking for the divided signals, I came across a Sam's manual that has the readings and locations as part of the troubleshooting guide (starting page 8) --- probably your best resource at this point...