IBM MCGA Gate Array Reverse Engineering
A researcher has successfully reverse-engineered the IBM MCGA video chipset used in early PS/2 models. The project involved analyzing gate arrays from Seiko to understand the hardware's memory management and sync generation capabilities.
Why it matters
Reverse engineering legacy hardware preserves computing history and provides technical insights into the design methodologies of early PC graphics architectures.
IBM's MCGA (Multi-Color Graphics Array) is a low-cost video chipset introduced with the PS/2 models 25 and 30. The Epson Equity 1e uses MCGA compatible video but does not use the same chips.
The content is a technical report on hardware analysis without political or social bias.
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