flicker fixer / scandoubler
- doubles the horizontal frequency of PAL, ECS and Euro36 screen modes to 31.5 kHz
- cannot handle Super72
- two versions existing
- flicker fixer: equipped with field memory chips (two large chips in the middle of the board), removes flicker of interlaced screens
- scan doubler: no field memory chips, does not remove flicker
- connects internally onto the top of the Lisa chip
- attaches with a ribbon cable to the external DB23 to HD15 VGA adapter
Photo
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front side

back side
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connector board, front side
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