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BTW - imgur sucks. First, as we can all see, embedding images from there doesn't work, and second, they want to take hundreds of megabytes and billions of instructions per second to run their Javascript just to load their silly pages.

PowerPC CPUs are overclockable, yes. Good cooling is always a good idea, overclocked or not. You see a not very fancy aluminum heat sink on many of the 601 and 603 CPUs because they really didn't draw much power and therefore didn't generate much heat.

You most likely need to use Apple HD SC Setup (patched) or an older Drive Setup. I always thought Drive Setup would DTRT when running on an '030, but I suppose not. If I had to guess, I'd guess you have a Drive Setup from 8.0 or 8.1. Somewhere there's a list of versions of Drive Setup, the...

I would like to know a source for these, too. I found something that fit the pins, but the spacing was off. Luckily, it wasn't off enough to make the whole connector not fit. Q605 with adapted power connector On the other hand, since only four of the connectors are needed, perhaps two...

I've always heard that the baking soda helps with anything acidic, but the vinegar is to remove any minerals after washing and cleaning. So yes, those, then distilled water with no minerals seems to make sense based on what I've been told. What's IPA?

You're not talking about beer, are you? I was given a severely corroded LC II motherboard which I thought might never run again. Since the capacitor goo ate away some of the traces, some came up a bit simply from cutting the leads. I washed the board with soap and water, with baking soda to...

It seems the NeXT forum is available again: http://www.nextcomputers.org/forums/index.php?topic=56.0

That separate thread is gone. You can't just post a link to a Windows executable without any description and not expect people to be a bit suspicious. Also, it appears to have a ROM file, which is not allowed here.

QuarkXpress 3.32 ran faster on an m68000 Mac Classic than does Word 5.1. I used it as a word processor for ages, and I'd still use it if modern versions were as good as 3.32 or 4.

I had a Sinclair QL, which was quite a fun little machine based on the m68008. Of course, there's the Atari ST, the Japanese LUNA machines, Sony's NET WORK STATION workstations, NeXT, of course, Sharp's X68000/X68030 series, Hewlett Packard's 9000 Series 300 and 400 workstations, Suns, Apollos...

Is it a 5 volt or 12 volt fan? I forget. Noctua has 5 volt and 12 volt available at that size: https://smile.amazon.com/Noctua-NF-A6x25-5V-Computer/dp/B01K4HRLRI/ https://smile.amazon.com/Noctua-60x25mm-Blades-Bearing-Premium/dp/B009NQMESS/

Hey, Fernando! Yes, heat is an issue if you're running at 40 MHz, but if you have an L88M or K63H mask, it's already cool enough. For an early mask (any XC part) at 33 MHz, you need a heat sink or you need to make sure the fan in the case works, and for an early mask at 40 MHz, you really need...

If I remember correctly, AV machines require an FPU. Try swapping in a full m68040.

That'd be called a SCSI card ;)  You can give Basilisk a file device, or you can give it direct access to a block device, so all you'd need is a real SCSI card plugged in to the SCSI device of your choice.

http://www.maccaps.com/MacCaps/Repair_books_files/Macintosh Repair and Upgrade Secrets.pdf Page 168 and on describe the adapter. It's just a 74LS14, which is just an inverter with a Schmitt trigger, which just cleans up the signal so superfluous changes aren't reflected on the output. The...

You know, one of my Q605 motherboards has a MC88916DW80. When I find that specific motherboard, I'll try that out. I bought, I think, half a dozen MC88916DW80 and only used one, so this would be good to know. I find it interesting that because of the amount of time spent using the bus, my...

If I remember correctly, stuff (no idea what) won't run at the full 40 MHz. Don't know if memory is too slow, or if some of the peripheral chips won't run at 40 MHz, or what. So the idea is to run the motherboard at 33 MHz, then remove a surface mount resistor to disconnect a clock going to the...

BTW - all m68040s, with the only possible exception being 1990 engineering samples, were made from the same batches that made 40 MHz parts, so pretty much all of them can run at 40 MHz with good cooling, and all of them can certainly run with no issues at 33 MHz with a heat sink. Running a...

There are no speed or component differences between Quadra 650 and Quadra 800 models. The Centris 650, though, ran at 25 MHz, and some came with LC040 FPU-less CPUs and without motherboard ethernet.

Most m68040 CPUs in Macs are XC because Motorola took so darned long to "qualify" the '040 to make an official MC part: Official MC mask announcement Original XC68040s (D43B, D50D, D98D, E31F) run hot and are .8um masks, but will run fine at 33 MHz with a heat sink. The E26A is an XC part...