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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.arch
Subject: Re: Address bits again, Article on new mainframe use
Date: Thu, 12 Sep 2024 22:13:04 -0000 (UTC)
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On Thu, 12 Sep 2024 22:33 +0100 (BST), John Dallman wrote:

> IBM's insistence that OS/2 run on the 286 was a world-shaping mistake.

Apparently it was to fulfil a promise made to customers who bought the 
original PC AT, that IBM would someday offer an OS to take advantage of 
its protected-mode features.

Of course, by the time OS/2 shipped, nobody cared any more.