David Cook's latest activity
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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...
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David Cook replied to the thread PowerBook 100 & 170 owners.One of the TIL articles you linked to on your spreadsheet discussed the low power ADB mouse. It has an icon of a circle with a flat top...
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David Cook replied to the thread PowerBook 100 & 170 owners.I placed a piece of transparency over the screen and marked the corners. I then pulled it off and measured it with a ruler. I am...
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David Cook replied to the thread PowerBook 100 & 170 owners.Yup. It's late. : )
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David Cook replied to the thread PowerBook 100 & 170 owners.Here are a couple of technical tidbits for you... The Macintosh 128 & 512 had 20 bytes of PRAM. The Plus, Mac II, SE, SE/30, IIx, and...
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David Cook replied to the thread PowerBook 100 & 170 owners.I'm not sure which laptop the above measurements apply to. I just hand measured and got: Backlit portable: 21.1 mm x 13.1 mm = 5.157 in...
