Found in 2 comments on Hacker News
guiambros · 2018-10-17 · Original thread
Paul himself told that story in his autobiography, "The Idea Man" [1], in colorful details. The first half of the book is full of anecdotes of those early days, the relationship with Bill Gates, and the beginnings of Microsoft. It's a great read.

Really sad he went so soon; RIP.


frik · 2015-06-06 · Original thread
Paul Allen (Microsoft co-founder) writes about the Z80 SoftCard and the early Microsoft history in his book "Idea Man":

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