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masklinn 3 hours ago

> Why was it that in the early PC days, IBM was unable to keep a lid on 'IBM compatible', allowing for the PC interoperability explosion

IBM didn't think to lock it down, the BIOS was the main blocker and was relatively quickly reverse-engineered (properly, not by copying over the BIOS source IBM had included in the reference manual). They tried to fix some with the MCA bus of the PS/2 but that flopped.

> almost every phone has closed drivers

Lots of hardware manufacturers refuse to provide anything else and balk at the idea of open drivers. And reverse engineering drivers is either not worth the hassle for the manufacturer or a risk of being sued.

> Why are there not yet a plethora of phones on the market that allow anyone to install their OS of choice?

Incentive. Specifically its complete lack of existence.

acomjean 2 hours ago | parent [-]

IBM was in a hurry.

From triumph of the nerds part 2 ( worth a watch.. they also explain how IBM ended up getting and operating system from Microsoft)

https://www.pbs.org/nerds/part2.html

https://youtu.be/_cMtZFwqPHc

“In business, as in comedy, timing is everything, and time looked like it might be running out for an IBM PC. I'm visiting an IBMer who took up the challenge. In August 1979, as IBM's top management met to discuss their PC crisis, Bill Lowe ran a small lab in Boca Raton Florida.

Bill Lowe:

Hello Bob nice to see you. BOB: Nice to see you again. I tried to match the IBM dress code how did I do? BILL: That's terrific, that's terrific.

He knew the company was in a quandary. Wait another year and the PC industry would be too big even for IBM to take on. Chairman Frank Carey turned to the department heads and said HELP!!!

Bill Lowe Head, IBM IBM PC Development Team 1980:

He kind of said well, what should we do, and I said well, we think we know what we would like to do if we were going to proceed with our own product and he said no, he said at IBM it would take four years and three hundred people to do anything, I mean it's just a fact of life. And I said no sir, we can provide with product in a year. And he abruptly ended the meeting, he said you're on Lowe, come back in two weeks and tell me what you need.

An IBM product in a year! Ridiculous! Down in the basement Bill still has the plan. To save time, instead of building a computer from scratch, they would buy components off the shelf and assemble them -- what in IBM speak was called 'open architecture.' IBM never did this. Two weeks later Bill proposed his heresy to the Chairman.

Bill Lowe:

And frankly this is it. The key decisions were to go with an open architecture, non IBM technology, non IBM software, non IBM sales and non IBM service. And we probably spent a full half of the presentation carrying the corporate management committee into this concept. Because this was a new concept for IBM at that point. BOB: Was it a hard sell? BILL: Mr. Carey bought it. And as result of him buying it, we got through it.