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[ssokolow]

I wasn't able to find a thread for System 7 on unsupported non-Mini hardware, and I learned that it was possible with the CHRP-derived ROM and Enabler via this thread, so I hope this is the right place to share test results for getting something earlier than 9.2.2 running natively on a G4 Quicksilver 2002.

I've started to test out Mac.OS.ROM_10.2.1_patched.bin and System.Enabler.356_patched_71x.bin (because I wanted to see the patched boot screen) on my Power Mac G4 Quicksilver 2002 (1x933MHz, 1.5G RAM) with Mac OS 7.6.1 and I've found the following Control Panels and Extensions that need to be disabled for it to boot and run without crashing.

• If I don't disable the WindowShade extension, clicking inside a Finder window will trigger a broken bomb dialog that sometimes doesn't even get to draw its contents.
• If I don't disable the File Sharing Extension, the system will bomb during the boot process with "Sorry, a system error occurred. \n "File Sharing Extension" \n Illegal instruction".
• If I don't disable the Date & Time control panel, you'll get "Sorry, a system error occurred. \n "Finder" \n error type 10." (I was too lazy to confirm, but I suspect this is a Y2K20 bug.)

(After catching those, I found QuickDraw GX complaining that I should have installed the PowerPC version instead of the 68k version and I popped in the 7.6.1 CD to reinstall that.)

I'll have to see how many of those go away if I prepare the system with SheepShaver instead of Basilisk II. (Something I assumed wouldn't matter since I used the "for any mac" checkbox in the installer.)

(More specifically, to get my IDE-SD adapter bootable with 7.6.1, I installed 7.6.1 in Basilisk II with the for-any-mac checkbox, copied the contents over to a folder on my G4, and then booted the Mac OS 9.2.2 install disc from the restore set so I could be in a position to partition the SD card in a way that would boot the G4 before copying the 7.6.1 contents on, since HD Setup won't partition SD cards in USB adapters and the 7.6.1 installer does a machine ID check if you try to run it under 9.2.2 on the G4.)

Also, while they're not crashes, the sound output doesn't work (unsurprising, given how my currently-in-need-of-diagnosis-and-repair Mac Mini G4 worked with OS9), the Display control panel also won't work with the QS2002, so it's stuck with 640x480 and whatever color depth it defaults to, and running 7.6.1 with System.Enabler.356_patched_71x.bin shows the old boot splash layered on top of the new one.

Maybe, next time I feel like repeating the tests, I'll try swapping in System Enabler 356_patched_75x76x.bin.

[aBc]

Thanks, @ssokolow. I was wondering if anyone was ever going to create a new (yet related topic) as it is often the case around here, seldom is this ever done. Now, we’ve a new topic for such “other” non-Mini System 7 things.

It is far easier for individuals to do this upfront, rather than to do this… afterwards.

Cheers!

[ssokolow]

...and I see the original thread had been renamed, so there are two of them now. *chuckle*

[chrisNova777]

is there a thread about running system 7 on a g3 b+W ? or AGP g4 series?

[Knezzen]

Not here, but System 7 works on those as well of course.

[goodoldmacs]

the classic os (7-9) for macmini forum threads seem to say that the audio problems are from using the mini's internal/onboard sound, and one solution is to use a usb dac for audio instead ...

... so for classic 7-8 os on non-mini machines like g4s and g3s,  could missing sound also be fixed by using audio hardware, like pci/usb/fw?

[ssokolow]

the classic os (7-9) for macmini forum threads seem to say that the audio problems are from using the mini's internal/onboard sound, and one solution is to use a usb dac for audio instead ...

... so for classic 7-8 os on non-mini machines like g4s and g3s,  could missing sound also be fixed by using audio hardware, like pci/usb/fw?

I can confirm that, with the OS 9 that we've had for the Mac Mini G4 for a while, an external USB audio device and an external mixer to work around the lack of software volume control works... but for 7 especially, I imagine drivers would become more of an issue.

(I haven't had time to poke at 7 more on my G4 Quicksilver 2002 lately.)