RGBtoHDMI.
One of these with the TTL board can handle CGA/EGA/MDA(Hercules) to HDMI.
That way you can play with more video cards/modes/computers without having to buy more adapters.
That card doesn't have any ram, it uses the IIe's Ram.
There were a lot of clones.
https://mirrors.apple2.org.za/Apple%20II%20Documentation%20Project/Interface%20Cards/Z80%20Cards/
Including a brand new one that's much faster that's available to buy now.
I used a rom splitter that ran under a st emulator, I just booted it, then used the splitter on the 104us.img and selected 6 roms.
I actually used 6 27c512s and doubled up the rom per chip.
I'm sending you a PM
XP introduced SLP activation, which most ODM (Original Device Manufacturer) used to activate. It was a copy of xp with oembios.* files that were customized for the oem bios strings.
Very easy to crack/exploit. I ended up using SLP on my white box systems for years, using the intel bios tools...
I make and sell wifi modems, and everything is on my github, and the documentation has taken me as long as actually designing some of the boards.
And it's not that long of documentation, it's just not my strong point to write it.
If I wasn't selling the boards, I don't think I would have...
Yep, we quit carrying them at my work around 20 years ago and they handed me like 20 tubes of them.
I've used them for tons of arcade board repairs, Commodores, Atari 2600 DIY carts, etc.. Really handy to have around, and you can't beat free.
I used 6 27c512's in my 520st to upgrade to 1.04.. Pin 1 in gnd so it uses the upper part of the roms.
(I've still got a few tubes of these left over from the ancient days.)
And as for that ram upgrade... Is your board that exact one??
If not, it might not fit.
There's a different 4mb board...