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I had a supercap leak in the iBook. Was a pain to get out with the corroded terminals too.

The only time Marathon 2 uses floating point arithmetic is at startup: it builds a set of trig lookup tables. But it will need a real or soft FPU (SANE? I’d have to look up what the original code does) just long enough to build them.

I don't know if it still works this way in Netatalk 4, but in older versions there is the "ad" command for manipulating files.

Actually, is it possible the BGA solder was starting to give, and putting the heatsink back on shifted / compressed the CPU in place such that it resumed working OK? I hope not, yuck!

Yes, running OS X happily for hours, and crashing in OS 9 sounds familiar. I have no idea why they behave that way, or why disassembling it / redoing paste / reassembling it fixed it. It would also behave better in a Quicksilver than a Sawtooth. I think there is some amount of magic involved...

I agree it's a hardware problem, but I don't think it's tough to narrow down if it runs for hours with the original CPU without issues. The upgrade card is bad :(

I used to get random crashes with the ST G4 in multiple machines. I removed the heatsink and re-applied heatsink paste, and put it back together. Have not had a problem since.

My Sawtooth has an ST G4 1000, boots 9.2.2, and I've never messed with Apple CPU plugins. First I've heard of them.

The Yikes! is only listed as having 400 MB/sec bandwidth, vs the 800 MB/sec in the Sawtooth. (https://www.theregister.com/1999/12/02/apple_drops_yikes_mobo/) So, would a G4 ZIF add anything to a B&W G3 besides SIMD? I have one in mine, of course...

I borrowed a torque wrench from work to tighten the CPU bracket screws back to Apple’s spec. Dunno how necessary that is but it was probably the trickiest part. It’s an easy upgrade.

It will crash in sleep (sometimes?) if it tries to suspend to disk. It reports a machine check exception after reboot. Regular sleep (suspend to RAM) works fine, and only uses a few watts.

I have not watched the frequency while running a game—just assumed it would do as spec’d. Geekbench single core is similar to other Ivy bridges with the higher turbo. Sequoia runs well but there is some issue with the WiFi patches that makes command line utilities take close to a second to...

I have the E5-2667v2 so that does boost to 4 GHz, higher than the E5-1680v2 or the E5-2697v2. Better for gaming and general UI responsiveness. But the 12-core will win at Photoshop or compiling. Either is a cheap, easy upgrade from the 4 or 6 core base models. They are great machines now for the...

In the 6,1 the 12-core only gets you a 16% speed increase at multicore; despite having 50% more cores, the clock speed is lower and it'll hit its thermal limits quickly. It's also 12% or so slower at single core (it can't turbo boost as high), which is what you notice most in day-to-day usage...

Have you used an Apple Silicon computer? They are absurdly fast, quiet, and cool. The laptops wake instantly, run for 14+ hours on battery. One of the biggest improvements to personal computers since I’ve begun using them in the 1990’s. Just because you’re not paying attention, doesn’t mean...

The easiest way by far would be Mihai's infinitemac.org. All you need is a browser, and modern ones are still available for Catalina. You can even save your progress to a hard disk that is stored in your browser.

They tend to cook their GPUs, because of the quiet fan algorithm. Particularly the D500/D700 models, I would avoid those. Get the entry level model, upgrade the CPU and RAM, use a third party fan app to keep the GPUs a little cooler. My eight core / D300 / 64 GB feels as fast as a much newer...

Not as of macOS Sequoia, no

OSHPark will do a clear solder mask

Aaaa but the motion sensor and compass should be circles, and they're not because 1280x1024 is the one retro resolution that isn't 4:3 :C