The IBM PC 5150, Revision A vs Revision B

· Adafruit Industries Blog · Oct. 28, 2026, 8:48 p.m.
reverse engineering vintage Vintage Computing 5150 BIOS Computer Hardware Vintage Computing Tech Comparison
Summary
The blog post compares the IBM PC 5150 Revision A and Revision B, noting similarities in appearance and detailing technical specifications that differentiate the two versions, particularly the BIOS dating.
Read full post on blog.adafruit.com →
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