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David Cook's latest activity
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David Cook
replied to the thread
New Web Resource: The Visual Catalog of Retro Macintosh Software (a.k.a. a whole lotta icons!)
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Interestingly, for the broken images, they display the text of the link. Whereas the working images display the image.
Jul 17, 2026
David Cook
replied to the thread
New Web Resource: The Visual Catalog of Retro Macintosh Software (a.k.a. a whole lotta icons!)
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Really cool! Aside: Doesn't quite work in the Firefox browser.
Jul 17, 2026
David Cook
replied to the thread
Portable RAM Card 1MB -> 3MB by adding 658128ALFP chips. Is the B revision acceptable?
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It works!!! 1 MB onboard + 3MB on the full Apple RAM board. Here is one side of the RAM board with 628128BLFP (to be clear 628128BLFP...
Jul 17, 2026
David Cook
replied to the thread
Portable RAM Card 1MB -> 3MB by adding 658128ALFP chips. Is the B revision acceptable?
.
I concur. Boooo! But, I'll bet someone will design a replacement RAM board that can use those chips.
Jul 17, 2026
David Cook
replied to the thread
Dynamic Engineering Portable PDS RAM Card
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Understood. Reach out to me if you need help.
Jul 11, 2026
David Cook
replied to the thread
Dynamic Engineering Portable PDS RAM Card
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I added that to an unreleased version of my Quiet Portable init. JDW tested it and said it made no difference. If you build a spare...
Jul 11, 2026
David Cook
replied to the thread
Portable RAM Card 1MB -> 3MB by adding 658128ALFP chips. Is the B revision acceptable?
.
Thank you. That's good to know. I've ordered some of the static RAM chips and I'll update this thread after trying them.
Jul 8, 2026
David Cook
posted the thread
Portable RAM Card 1MB -> 3MB by adding 658128ALFP chips. Is the B revision acceptable?
in
Macintosh Portable
.
As we all know, the Macintosh Portable is most limited by the lack of RAM upgrades available today. If you only have a 1 MB card (or...
Jul 8, 2026
David Cook
posted the thread
Portable VGA Adapter -- Shout out to Joe's Computer Museum
in
Macintosh Portable
.
I recently purchased a VGA Adapter for the Macintosh Portable from Joe's Computer Museum. This device attaches to the back of the...
Jun 26, 2026
David Cook
replied to the thread
BlueSCSI on Macintosh Portable
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The Macintosh OS was novel in that it allowed files to consist of two "channels". The first channel is called the "data fork" and is...
Jun 18, 2026
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