[jandrese]

That was largely hardware issues. In particular without a way to negotiate between drivers conflicts were doomed to happen regardless of who was writing the driver, especially with the relatively small number of resources to pull from.

[scarface_74]

And yet, Apple’s integrated solution didn’t have those issues with the Apple // in 1977 yet alone the Mac II with Nubus in 1987.

[jandrese]

Yeah, PC clones were a right mess. The ISA bus was extremely primitive, even by the standards of the day. There is a reason the PCI bus was such a breath of fresh air.