If you are patient you can get one for a lot less, i usually lurk on ebay and do offers on the items if the seller accept them, and if not i send pm...
I don't keep track. Often when searching for something, I know I have, I come on something I completely forgot I had. It is just like an uncle giving...
I know that CompuPro had an 8085/8088 board that you could switch between them using an I/O port. Also, the S100 Computers "new" boards have several...
Thanks - the uIDE warm boot is working now. Next up: Merge BIOS and hidden BIOS. The cs30bios.asm file is in 8080 so I need to convert to Z80 first....
When the drive is powered off, try to move the head manually (gently) around the middle of its path, then power on and try a format, does the head go...