There's no way that you or someone else may have moved it into another folder, or even into the Trash is there? Unlike most operating systems which require their system folder(s) t…

It will show, if IIUC, that total system RAM is 20 MB, but the system is "using" the majority of it.

What System version are you running? Systems 7.0 and 7.0.1 had a disappearing folder bug which was fixed in System TuneUp 3.0 and Systems 7.1 and later.

Ok this has to be the oddest thing that has ever happened. I booted up my SE/30 and my system folder isn't there. The HD doesn't seem to indicate it's even there so it's not off …

So let me get this straight. If I have "Dirty ROMs" and I have 20MB installed. Will it show as having 20MB in the About Finder menu? (but in fact only have 8MB usable until I use…

LCGuy is correct on that. IIfx ROM-SIMMs are 32-bit clean. The only issue you'll have is a bit longer of time to startup the SE/30. Sometimes it can vary depending on how much R…

Does a IIfx rom count as a clean rom? If so, does putting it into an SE/30 cause any compatibility issues? Tempest

Yes, it shows 20MB, but how much of that is free? If you have "dirty" ROMs, and MODE32 is not installed, the extra RAM will appear to have been used by the system.

awesome, I so want a 64, but I never had one, nor will the spouse approve of one lol

plus a memory expansion card for the IIgs with all the sockets filled

OK I have a Mac SE/30 and it shows 20MB without Mode32 running! Does that mean I have a "clean" ROM? lol

In other words the ROM SIMM address pins are numbered for byte-wise addressing, while in practice the ROM SIMM is wired for word addressing (four bytes per address). Click to ex…

In other words the ROM SIMM address pins are numbered for byte-wise addressing, while in practice the ROM SIMM is wired for word addressing (four bytes per address). Click to ex…

And we should note, for those who might try to use this information, that A0 and A1 are not connected to the address pins on the ROM chips on the module. A2 of the ROM SIMM conne…

I recently used RaWrite for Windows (Freeware): http://www.chrysocome.net/rawwrite To write a whole bunch of DSK & IMG mac disk images, including System installation disk…

That's GttMFH: Second Edition! ) IOW: Guide to the Macintosh Family Hardware: Second Edition for those comrades unfamiliar with actual, real life, printed on paper based storage…

Added to wiki with due credit.

So I had to rip every box out of my house storage area to find one freakin power cable for my digital cable box and I ended up finding a few things I forgot I owned: -Commodore 64…

All the following Apple-branded service training videos on VHS videocassette, to join the 68k Powerbook service videos previously purchased, and those donated by tyrannis, for digi…

welcome back funky toad. Click to expand... Thanks, good to be back.

As long as I was posting it in a different thread, I figured I'd give it its own thread: According to TGTTMFH: ROM SIMM Socket Code: Pin Number Signal Name 1 …

I just bought another "Think Different" poster on eBay, the Einstein one. I love that series of ads, they were truly great. I'd love to get one of the posters with the running ath…

welcome back funky toad.

That really is a great find! I seem to recall one of my high school teachers having some similar pins.

Ew, Kid Desk...I remember they loaded that, er, "thing" onto the computers at my primary school in grade 7. For young 6 - 8 year old kids who didn't know anything about computers, …