EDIT: oops, I didn't notice somebody already commented on this below. I don't think IBM made an effort to sell it, and I don't think it ran MVS, but they did m

EDIT: oops, I didn't notice somebody already commented on this below. I don't think IBM made an effort to sell it, and I don't think it ran MVS, but they did make several 'Mainframe 370s' board sets that would fit into a PC. The boards had 68k processors on them + IBM logic chips to run 370 instructions. https://thechipletter.substack.com/p/motorola-intel-ibm-make-a-mainframe https://thechipletter.substack.com/p/motorola-intel-ibm-make... https://www.ardent-tool.com/P370/Environment.html https://www.ardent-tool.com/P370/Environment.html http://typewritten.org/Articles/IBM/g520-5087-1.pdf http://typewritten.org/Articles/IBM/g520-5087-1.pdf