[CDG5] Blue Box

[Jd Lyons]

I don’t really know much about the BlueBox, but I’m interested to know.

Does the Bluebox use the hypervisor?

How is the Bluebox able to boot OS 9 on the G5 CPU?

The Mac OS ROM within the Classic APP seems to be just a Parcels file, and a really outdated one, I built a Mac OS ROM using that file as the Parcels file but it bombed out looking for RTAS in the device tree.

If we could figure how the BlueBox works on the G5 without any BATT registers that may lead us to figuring the Holy Grail of OS 9 native on the G5 CPU.

> On May 4, 2021, at 9:55 PM, Elliot Nunn <elliotnunn at fastmail.com> wrote:
> 
> Hi all,
> 
> I’ve got a few ideas for hacking the Classic Environment to remove some of the host integration, and act more like bare-metal OS 9. This seems like the only realistic way to take advantage of graphical acceleration and other Mac OS X-only goodies on late G4’s and G5s.
> 
> Right now I’m working on some system to trap the BlueAbstractionLayer calls and cancel or change them as necessary.
> 
> Anyone especially interested, or have any deep Blue Box knowledge to share?
> 
> Elliot
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