The Commodore 128 can output to five monitors without modification by cleverly splitting its RGBI video signal—four displays via custom hardware and one through the native VIC-II chip. This technique demonstrates overlooked capabilities in vintage computing platforms and offers practical applications for retro enthusiasts and hardware hobbyists. The same signal-splitting approach proves effective on IBM EGA systems, suggesting the method generalizes across multiple legacy platforms.
Read the full article at Hackaday
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