4 ms·
Microsoft coped the DRI CP/M model. Sell the OS to PC Makers and make it a standard. IBM used off the shelf parts for the IBM PC, so others were able to copy i
by cable2600 5y ago
Microsoft coped the DRI CP/M model. Sell the OS to PC Makers and make it a standard.
IBM used off the shelf parts for the IBM PC, so others were able to copy it easily. When IBM made the PS/2 series with Microchannel it was supposed to be a clone killer.
Ironic that IBM does not make PCs anymore, and sold that IP to Lenovo.
- pjmlp 5y agoYou forgot the BIOS part, had Compaq not been able to stand in court, the clones would have been dead right there.
- wombatmobile 5y agoThe interesting thing about the BIOS is that IBM published the (fully commented) source code for it in the Technical Reference Manual.
- kolinko 5y agoWell, IBM needed some sort of a business model…