Classic Mac Hardware (Troubleshooting, Upgrading, & Modifying) > General Hardware Discussions

Oddly Behaving G4

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SuperC:
I have a G4 Digital Audio - which is behaving very oddly.  The specification, for reference and in case this has a bearing on matters, is that it has 1GB RAM, DVD-RW, Zip 250, a Sonnet Duet 1.6GHz accelerator, Sonnet SATA card (with a 500GB SATA drive attached), Maxtor 75GB hard drive, Maxtor 110GB hard drive, ATI Radeon 9000 Pro (the official Apple upgrade), Sonnet USB 2 card, Adaptec SCSI card (originally from my old 9600), and a generic 802.11g Wifi card.
 
By and large my old Mac works perfectly.  It'll boot Leopard 10.5.8 and run stably (although a little noisily) for days on end.  Ditto Tiger 10.4.11 (and the classic environment).  It'll run MorphOS without raising a sweat.  But I'll be damned if I can get it to boot MacOS 9.2.2 - which, of course, I want to run some of my favourite old games (Carmageddon 1 and 2, Star Wars Racer, Deus Ex). 
 
It starts booting OK.  But right at the point when the inits and cdevs stop loading and it hands over to Finder, it hangs.  Mouse pointer stops moving.  It gives up.  Which is frustrating.  And it doesn't matter whether I'm trying to boot from the OS 9 install for Classic on my Tiger disk or a freshly formatted disk (with OS9 drivers and without Journalling) - or even from the original OS 9 install disk.  Whatever I do, the result is the same.
 
I've tried removing all the expansion cards, disconnecting all the USB devices except for the keyboard and mouse, resetting PMU and PRAM.  Nothing makes a damned bit of difference.  I'd reinstall the original processor - except that I don't have it anymore, and I'm sure that I read that the Duet is OS 9 compatible.
 
Am I missing essential drivers?  Does anyone have any suggestions?  What have I missed here!?

IIO:
the most suspicious hardware part is the USB 2 card. some can cause exactly that.

Fury deBongo:
SuperC,

Simple routines first.

(1). Try “Force Quitting” (command-option-escape) when it hangs.

(2). Try booting OS 9 with all extensions off.

(3). Try cold-boot into OS 9 …holding down the option key at startup.

If none of the above steps further your efforts, then consider removing the SATA card, USB card, Adaptec SCSI card and the Wifi card… then try all of the above again. Or as suggested by IIO, begin by removing the USB card. If that doesn’t work, then I suppose you need to determine if the Sonnet Duet accelerator is completely compatible with only OS 9… installed without any specific Sonnet control panels or drivers.

In fact, you may want to check Sonnet “bare bones OS 9 boot-ability” before the first 3 items noted here… or immediately after the 3 items, before jerking all those cards out. I’ve a similar Sonnet 1.7GHz that I’ve yet to install so I can’t really say. Others here may provide better first-hand experience commentary on that.

Have had similar “hang” problems with a fresh install of OS 9.2.2 that was traced to a bum ATI driver which Step #1 has uncovered for me in the past. I simply turned off the reported driver after the force-quit, the machine goes on to fully boot and then zero problems booting OS 9 thereafter.

Had you recently changed anything with your machine? Or, just started using it again after an extended period of non-use? What’s different? Or, just now trying to boot OS 9 after not having done so for a time?

Best of luck. Do please report back.

GaryN:

--- Quote from: SuperC on April 18, 2018, 01:47:19 PM ---It starts booting OK.  But right at the point when the inits and cdevs stop loading and it hands over to Finder, it hangs.  Mouse pointer stops moving.  It gives up.  Which is frustrating.  And it doesn't matter whether I'm trying to boot from the OS 9 install for Classic on my Tiger disk or a freshly formatted disk (with OS9 drivers and without Journalling) - or even from the original OS 9 install disk.  Whatever I do, the result is the same.

What have I missed here!?

--- End quote ---
Poor Sonnet! They get blamed for everything. The clue is "Mouse pointer stops moving." I'll just bet you have a 3-button, non-Apple mouse.

If I'm right, go get this:http://macintoshgarden.org/apps/usb-overdrive-14
It's a control panel that will run your mouse and solve the problem

If I'm wrong, go here: https://www.sonnettech.com/support
Look up your proc upgrade and make sure you have everything required. There may be an OS9 extension you don't have.

My money's on the USB mouse problem though…

SuperC:
It can't be the USB card which is causing the problem (because I yanked it and the problem persisted).  The 3 button mouse theory was interesting (because, yes, I was using a Microsoft Optical Trackball) - but, unfortunately, the problem persists even after replacing it with the original Apple mouse.  And I think that bad drivers can be discounted because the problem occurs even when I use the MacOS 9 install CD.

Sonnet support says that there's no driver required - just the firmware update (which I've installed because, without it, the Mac won't boot at all to anything)

Weird.  I'd naively imagined that OS9 would be the easiest OS for it to boot!

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