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Check out the following:
http://zots.ath.cx/atxg4/atxg4.html
http://www.atxg4.com
http://forums.macrumors.com/showthread.php?p=5245583
http://www.io.com/~trag/28v_vreg.pdf
Here is a page with a 12 volt mod.
However, keep in mind that I have seen it suggested that the Digital Audio G4s do not recognise the L3 cache of Quicksilver processors. However, I don't know whether the person making this claim is correct and it may only apply to the earlier Sawtooth/Gigabit...
almeath,
Even though we now know that you have a Gigabit Ethernet G4 that probably can't run 8.6, it would be nice if you would make the Sawtooth 8.6 system files available for those Sawtooth owners who would like to continue with this experiment. In fact, the Sawtooth 8.6 system files may be...
As an aside, now that we know that almeath's G4 is really a Gigabit Ethernet model and not a Sawtooth, all of my speculation above about the effect of boot rom v3.3.x on a Sawtooth can probably be ignored. I am now leaning toward the belief that boot rom v3.3.x first appeared with the Gigabit...
I agree with LCGuy that what you have is a Gigabit Ethernet model (and not some weird hybrid).
I think that MacTracker is wrong about M5183 being the model number for the original sawtooth model. Instead, I think that M5183 is just the model number for the case or enclosure. Since the Gigabit...
In response to another topic where a person asked how to differentiate Sawtooth motherboard versions, I decided to do some more investigation to find out exactly what is the difference between the 2 versions.
After doing some googling, it appears the only real difference between the 2 Sawtooth...
Go to the discussion about using 8.6 on a Sawtooth. In that post I bring up the issue of the 2 motherboard versions used on the Sawtooth. I show you how to use Apple System Profiler to determine what Uni-N revision you have. The instructions I provide are for the OS9 Apple System Profiler but I...
almeath,
If you do decide to try the open firmware trick to flash using the older 2.4 firmware, you may want to first read the cubeowner forum post where Pareis describes his discovery. Here is the link...
almeath,
The fact that your Sawtooth has boot rom v3.3.4 got me thinking last night about this very question, can trying to revert to an earlier version of the firmware make the mac completely unbootable.
This is what triggered my thinking. The earliest Sawtooth motherboards did not support...
According to the Japanese site that lists the various Sawtooth boot rom versions, $0003.31f1 (v3.3.1) appeared on the Power Mac G4 Gigabit Ethernet model. Technically, I would consider this a separate model but this site listed it as a Sawtooth variation. Given that almeath's Sawtooth has boot...
One other thing that has occurred to me that is completely unrelated to the topic of the correct firmware required for booting into 8.6 is whether any additional 8.6 system files were updated on the Sawtooth 8.6 Install CD.
Up to this point, it has been assumed that the key missing file is the...
I have done a lot of googling and have discovered the following:
If you have upgraded the sawtooth firmware (aka boot rom) using the 4.x update, the ability to boot into 8.6 is disabled.
This brings up the question of what sawtooth firmware versions support 8.6 booting. According to a Japanese...
I have always wanted to try the Newton emulator but like you I don't own a MP2100.
Where did you find a MP2100 ROM image? It would be great if one is available for download.
Thanks in advance.
I own a Sawtooth but like almeath I don't have the original 8.6 install CD.
Could someone who has the Mac OS ROM 2.5.1 file please make it available for download so that other Sawtooth owners can try to install 8.6.
Thanks in advance.
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