The retrocomputing crowd has a lot of these projects now, and they generally work. Most are based on open source designs so the quality will vary from vendor to vendor.
The 8 bit IDE cards for example are based on a project called XT-IDE that I was part of back in 2008/2009. (See the genesis of the project at http://www.vcfed.org/forum/showthread.php?12359-8-Bit-IDE-Controller . The original version of the card had the traces optimized on my work laptop while it was idling.) If I were buying an XT-IDE I would be getting it from https://www.glitchwrks.com/xt-ide. I haven't purchased any of the recent variants; all mine are gen 1 from the first production run. And I've not tried out memory boards but they are generally known to work; they are not particularly complicated. Mike On Thu, Oct 1, 2020 at 4:34 AM Eric Auer <e.a...@jpberlin.de> wrote: > > Hi! Mentioned in a video mentioned by Rugxulo on BTTR, > I noticed that there is a shop where you can get some > circuit boards to do-it-yourself 8-bit ISA extension > cards for your ancient computers for features such as > more RAM, IDE or Compact Flash interfaces or even USB > interfaces which are bootable. Interesting technical > detail: They use EEPROMS which you can program without > using a programmer, just with magic write sequences. > > Has anybody tried any of those products? Are they okay > for the task at hand? Note that the shop usually has > only the PCB, not the pre-built devices, so you have > to get the components elsewhere and solder yourself in > most cases. They also have a few ready to use products. > > https://www.lo-tech.co.uk/product-category/retro-ibm-pc/ > > Cheers, Eric > > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user >
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