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It really depends on how far out of spec your mains power can get. Power supplies are designed to cope with input that might be slightly off the nominal values for voltage and frequency, but get outside the range that something was made to handle and it becomes very unhappy. These days some...

I've been trying to work out what, in principle, would be needed to boot from an HFS+ volume on a 68k machine, which as we all know was never supported by Apple. So far my simplest solution is to use (something like?) that old utility program from "back in the day" that let you boot from a...

...Huh. You learn something new every day. Were there any actual hardware differences (as opposed to mere SIMM or hard drive configuration) amongst all those 630s?

Wasn't the P in 7.1.2p short for “Performa”? I was under the impression that the only difference was the bundled applications. (7.1 Pro was 7.1.1, IIRC, so must have been unrelated to the PPC transition.) I may have that confused with later releases, I suppose, but I know there were _some_...

true. I didn't know about the other partitions but I agree completely with your assessment.

it sounds like his Whole Disc Image includes the partition table. That would cause any system that mounts the drive to ignore the unused space because it is not mapped, but should not cause any actual problems. The .iso will include an ISO <whateverthestandardnumberis> partition map, just as...

Well, if you partitioned the daylights out of your BD-R before putting any data on it...

You're quite correct, there's a driver on there too. I'd somehow forgotten that detail. 3rd party drivers that tried to be more performant were a legitimate market for a while.

There's a point at which the limit rises from 2 GiB to 4, and then another point at which it rises from 4 GiB to 2 TiB. (Internally, it's going from a signed to unsigned 32-bit byte count, then to a 32-bit count of 512-byte sectors.)

A CD or DVD uses a different partition-map format than a hard drive, and the Mac would not be able to make sense of it unless you wrote it to something it considers to be an optical disc. I'm not sure there's any way to do that with stock software.

“dd” for Classic Mac OS sounds like a great idea! This could help with an issue that was mentioned in a thread somewhere here around 68kmla a couple of months ago... (some versions of?) the Finder and/or OS will write a few obscure bytes to any given volume that make it difficult or impossible...

I vaguelly recall at least one of the very early CRT monitors used Sync-on-Green. No idea which one(s), though.

Indeed, I did not think anyone would do such a thing - hence my confusion.

I tried most of those to no effect, as well as some further Open Firmware stuff I found in articles on "mac-classic.com". (The only ones I didn't try were the CUDA/SMU switch and the battery, mainly because opening the machine is a decidedly non-trivial operation due to its placement.) As best...

It’s been long enough now that I should probably post an update on all this. Put briefly, I have done an end run around the problem, so that my two Power Mac G5s (both of which are now equipped with video cards capable of 2560x1440) feed through a New Old Stock IOGear GCS1642 dual...

"Not sure it even works" but you're offering to make them for people? Am I missing something here? That sounds like kind of an important detail to pre-verify.

I thought Disk Utility was an OS 10 thing?

I have one of several possible causes for the character-encoding issue, which is nowadays somewhat obscure, so I do not know whether you'd be aware of it. A rambling explanation of the background: Prior to Unicode, terminals and the like that followed ISO, ANSI, or ECMA standards could achieve...

Ouch! Well, I do call it “autocorrupt” for a reason.

"10.4.12"? Is that a typo or has someone released a community-built update like Sorbet Leopard tried to be?