David Cook's latest activity
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David Cook replied to the thread Fixing a Macintosh Portable - What worked for me.I am so glad you said that, because that's what I had to do to get the Portable to not crash when playing sounds. I was embarrassed to... -
David Cook replied to the thread Macintosh LCII failure.Do you have an oscilloscope? I would measure this point in the circuit and see if the amplitude declines. You might be able to catch...
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David Cook replied to the thread Macintosh LCII failure.If you want to further narrow down the location of the sound issues, put some headphones on or use an external speaker. If the problem...
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David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.Well, it was a team effort. You were passionate about getting the issue attention to be fixed, and @SuperSVGA found and analyzed the...
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David Cook replied to the thread Mac Portable back cover side panel.Very nice!
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David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.Based on the work of @SuperSVGA and @JDW, I created a system extension that quiets the 10 second popping. You can use this with either...
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David Cook replied to the thread Portable and PowerBook 100 Technical Note: PRAM, Backlight, and ROM Diff.Ahh! That answers that question. Thank you.
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David Cook posted the thread Portable and PowerBook 100 Technical Note: PRAM, Backlight, and ROM Diff in Macintosh Portable.As I have been looking at the Macintosh Portable in more depth. I've run across a couple of pieces of technical information that may be...
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David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.That's good news. At least it isn't a hardware issue.
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David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.I do use the Desktop Mgr extension (to not have the desktop rebuilt when switching between 6 and 7). I don't think that is a cause. But...
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David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.I reduced my system down to a floppy disk and verified that it sleeps when booted from a FloppyEMU. The .dsk is attached. It is not...
