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IBM MCGA Gate Array Reverse Engineering

IBM MCGA Gate Array Reverse Engineering

IBM MCGA Gate Array Reverse Engineering 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 IBM chipset consists of the memory controller gate array and the video formatter gate array.