Re:PC-Retro Motherboard Kit: Build a faithful reproduction o...
by greglindahl on Sunday August 12, 2018 @03:18PM
(#17745940)
I recall it being part of the documentation that came with the original PCs.
> IBM published the entire listings of the BIOS for its original PC, PC XT, PC AT, and other contemporary PC models, in an appendix of the IBM PC Technical Reference Manual for each machine type.
> IBM published the entire listings of the BIOS for its original PC, PC XT, PC AT, and other contemporary PC models, in an appendix of the IBM PC Technical Reference Manual for each machine type.
https://en.wikipedia.org/wiki/BIOS