RetroTheory's latest activity
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It's #MARCHintosh 2025! Join in on the fun and post your project or play with some new stuff in our #MARCHintosh 2025 thread.
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RetroTheory replied to the thread Can You Put a White Phosphor CRT into an IBM 5155 (Portable Personal PC)?.The naked CRT is the CRT module for the IBM 5155 , but all it needs is 12V and an ntsc composite video signal. The video is inverted... -
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RetroTheory replied to the thread Apple IIGS RGBtoHDMI + Apple Macintosh Monitors.Unfortunately not easily. You would need a composite to sync separated video. However it could be a project for rgb2hdmi with 15khz...
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RetroTheory replied to the thread Can You Put a White Phosphor CRT into an IBM 5155 (Portable Personal PC)?.This is my tube swap between a mac and a 5155 monitor chassis , as long as crt band mount is the same you should have no issues
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