blturner's latest activity

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    blturner replied to the thread Mac II Video glitch.
    Here are the ROM SIMMs I have: I attempted to reinstall the system tonight a few times, but never got to where the highlight wasn't...
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    • PXL_20260608_061905436.RAW-01.jpg
    • PXL_20260608_061822719.RAW-01.MP.jpg
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    blturner replied to the thread Mac II Video glitch.
    Oh interesting! I will do some more testing tonight. I have two partitions I've been testing with, one is Universal and the other, I...
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    blturner replied to the thread Mac II Video glitch.
    I took the Toby card and VGA adapter and put them in the IIci and there was no highlight glitching, so it must be something specific to...
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    blturner replied to the thread Mac II Video glitch.
    It's 7.1 from the Legacy Recovery CD image. I also have a 7.5 install on this SD card I booted from just now and the issue is there as...
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    blturner replied to the thread Mac II Video glitch.
    Here's the result of that test:
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    blturner replied to the thread Mac II Video glitch.
    I gave that a try just now and the behavior persists.
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    blturner replied to the thread Mac II Video glitch.
    I think my initial diagnosis was incorrect, the scrambling is happening at 4, 16, and 256. I attempted to record the monitor changes to...
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    blturner posted the thread Mac II Video glitch in Macintosh II.
    I've been running in circles attempting to diagnose some garbled text when something is highlighted on screen. At first I assumed it was...
    • PXL_20260604_195152939.RAW-01.MP.jpg
    • PXL_20260604_195220885.RAW-01.MP.jpg
    • PXL_20260604_195236704.RAW-01.jpg
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