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David Cook's latest activity
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David Cook
replied to the thread
Mac II Video glitch
.
If you post a copy of your drive image (whatever is the smallest that exhibits the symptoms), I'll try it on my Toby card and Mac II.
Jun 8, 2026
David Cook
replied to the thread
Mac II Video glitch
.
I'm not giving up on this. I swear I've seen it before. Based on Apple's ROM code, highlighting was really tricky and there were a lot...
Jun 7, 2026
David Cook
replied to the thread
Mac II Video glitch
.
Did you use the same disk image on the II as the IIci? Just to rule out a software / OS issue. Can you describe this further? Is this...
Jun 6, 2026
David Cook
replied to the thread
Mac II Video glitch
.
That's crazy. Definitely related to highlight. What system version?
Jun 6, 2026
David Cook
replied to the thread
Mac II Video glitch
.
Try changing the highlight color in the Color control panel (?) to something like yellow.
Jun 6, 2026
David Cook
replied to the thread
Mac II Video glitch
.
And, it is only scrambling inverted text. That's a clue. Have you tried booting with extensions disabled?
Jun 6, 2026
David Cook
replied to the thread
Mac II Video glitch
.
Very interesting. It isn't the LCD. 1. Does it happen every single time in 256 mode? 2. Is the scrambled text always scrambled the...
Jun 5, 2026
David Cook
replied to the thread
VRAM - more speed, or just more colors?
.
As everyone has mentioned so far, adding VRAM generally increases the maximum number of colors and resolution only. However, on...
May 27, 2026
David Cook
replied to the thread
Restoration of three Macintosh II
.
Tip for English listeners: When I played this video embedded in the TinkerDifferent page, it did not translate the audio. If you open it...
May 23, 2026
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