David Cook's latest activity
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David Cook replied to the thread A very special Mac Portable.Even better: Do you recognize the board being manufactured?! -
David Cook replied to the thread Looking for the document "Macintosh Worldwide Development: Guide to System Software".Thank you. I'm trying to lock down the definitive System release that includes those functions, as well as which structure fields are...
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David Cook posted the thread Looking for the document "Macintosh Worldwide Development: Guide to System Software" in Software | System Software (68k).I've been researching the Apple system routines that use LongDateTime as part of a potential solution to the 2040 problem. Because it is...
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David Cook replied to the thread A very special Mac Portable.Each time I let an eBay auction get beyond me (I set a mental price point and don't go over it), I think to myself "Someone else must...
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David Cook replied to the thread A very special Mac Portable.Just watched it. Besides the usual precise technical information, my favorite thing about your videos is the production quality. Nice...
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David Cook posted the thread Apple Desktop Bus Mice and Power Usage in Add-ons, Peripherals & Networking.On @JDW ’s thread regarding the Macintosh Portable (https://tinkerdifferent.com/threads/powerbook-100-170-owners.4811/), he posted a...
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David Cook replied to the thread PowerBook 100 & 170 owners.PowerBook 100: 25 mm PowerBook 170: 30 mm
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David Cook replied to the thread PowerBook 100 & 170 owners.I just did a quick test. The original ADB mouse uses 70 mA (64.8 idle). The low-power ADB mouse uses 4.8 mA (4.65 idle). The low-power...
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David Cook replied to the thread PowerBook 100 & 170 owners.Only normal, I'm afraid. I'm interested in learning if the long connector has something special in it.
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David Cook replied to the thread PowerBook 100 & 170 owners.Oh, and at least two more variations exist: non-low power small light-weight black ball (on the left side of the image below)...
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David Cook replied to the thread PowerBook 100 & 170 owners.Yes. Apple ADB mice in my pile (not counting Apple Desktop Bus Mouse II or later) (5) large heavy gray ball (2) low-power large heavy...
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David Cook replied to the thread PowerBook 100 & 170 owners.I suspect they learned a lot about power usage when designing the portable. (The Apple IIc was always plugged in, correct?) I'll guess...
