Tag Archives: computers

IBM’s dark AT secrets

Posted on November 8, 2025 by Scali

I recently found this new blogpost by VileR: A Lost IBM PC/AT Model? Analyzing a Newfound Old BIOS. It’s a very interesting look into the mess that is IBM’s PC division in the early 80s. And I had various thoughts … Continue reading →

Posted in Oldskool/retro programming | Tagged 512k, 5150, 5162, 5170, 640/X, 640k, AT, BIOS, computers, hardware, IBM, int10h.org, Mac, oldskool, PC, PC/AT, PC/XT, PCjr, tech, technology, VileR, XT | Leave a comment

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Tag Archives: computers

IBM’s dark AT secrets

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