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Some motherboards use the EPROM's CE_n line, others use OE_n. I did not have enough pins on the Teensy 4.0 to support both.

How much?

Sold

Taken

Pickup in Pleasanton, CA

.. or trade for a Coco... Would motivate me to make a 6809 drop-in core/accelerator...

Toshiba Libretto 50 CT for sale. Includes docking station and charger. Battery holds a charge. Computer is in terrific condition with a number of vintage games installed. $100 plus shipping

Bus - one s

Pickup in Pleasanton, CA https://sfbay.craigslist.org/eby/zip/d/pleasanton-free-vintage-technical/7739529317.html

Seems to me that Apogee would not release any diskette without their official logo on it. Im sure their budget was large enough and marketing managed well enough to represent their product better than a laser printer label indistinguishable from any shareware disk duplicators...

Was this game Shareware/Freeware? If so, I think individuals were allowed to make and sell disks legitimately. I doubt Apogee would distribute disks with labels like this.

pirated copies usually dont.. :)

You may be the only person in the world actively using one of these things!

I’m curious what modern devices would pick up noise from a vintage machine with the x or y filter caps removed.

Are you sure what you removed was a a RIFA filter cap which are rectangular and not one of the main bulk capacitors which are round?

Weird.. they are just filters so the machine should work fine without them.

When the RIFA smoke oozed out of my Osborne 1 it reminded me of the self-destructing messages in Mission Impossible. The few tantalums that have exploded on me were startling! Loud pop and sometimes a light show! I admit that I do snip off RIFAs now (without replacing them) before powering...

Yeah, it does seem like the "in" thing to do... But in doing so they miss out on exploding tantalum's and RIFA smoke which is part of the experience...

It seems that people are removing RIFA's as soon as they get a vintage machine before even powering it up once. This makes sense for those of us who have already experienced RIFA smoke, but will those who have not be cheating themselves of the experience?