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Trash80toG4
replied to the thread
Radius Full Page Display for Macintosh 512ke/Plus - Cloning project possibilities?
.
Jun 12, 2026
A
ArjenCNX
replied to the thread
Color Classic analog board re-design, needs community feedback.
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GOOD NEWS! Thanks to mark_W, i found that i had the wrong value for DL1, the zener diode that protects in case of over voltage...
Jun 12, 2026
A
ArjenCNX
replied to the thread
Color Classic analog board re-design, needs community feedback.
.
Thanks very much, well i have checked the other voltages, and they are all within spec, so that is good, ii trace down C-sync as well...
Jun 12, 2026
M
Mark_W
replied to the thread
Color Classic analog board re-design, needs community feedback.
.
That's normal, unlike main power supply that has feedback control on the secondary, ctr power supply is regulated only on the primary...
Jun 12, 2026
A
ArjenCNX
replied to the thread
Color Classic analog board re-design, needs community feedback.
.
So have 75V on the QL1, it is stable, oddly enough this is without the VGA mod in place, so it should be 60V or so. all other voltages...
Jun 12, 2026
J
joevt
replied to the thread
Bank Distinction on PMX500 and 7200 DIMM?
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The algorithm for Hammerhead is different than for Platinum. Platinum Bank Base registers support addresses with this mask: 0x7FE00000...
Jun 12, 2026
E
Eradicator
replied to the thread
Hacking the Kodak Reels 8mm Film Digitizer (New Thread)
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Ok, I did the lens swap/mod and I am on the firmwre "D" mod. But now I cannot zoom out enough to see the entire frame and sprocket...
Jun 12, 2026
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