Analysis of information sources in references of the Wikipedia article "Plug and play" in English language version.
By the time of the PS/2's launch in 1987, IBM PC ... The line launched in April 1987 with ... its new expansion bus, dubbed Micro Channel Architecture.
On the Disk II card, while the Apple II was idle, I measured 600 mV ... Cut the trace for the B VCC side power supply of 3.3 and use wire wrap wire and solder it to +5v.
Run-time services (detectable only in software) are central to Windows ... that finds the Plug and Play header, then calls run-time services. ... Windows 95 includes an "Add New Hardware" wizard
the PS/2 based on the proprietary MicroChannel architecture ... was not what the market demanded
So Plug and Play sounds great, right? Well, it is... when everything works right (which is why it's sometimes also called "Plug and Pray"!)