Per the 2.7 release notes:
"Experimental PowerPC 7448 support"

What is this exactly?
Let's say I actually have a 7448, I won't tell you how I did it, what does '7448 support' actually mean?

Something recognized at the Quark level? If so, how would 'one' invoke this support?

I'm all ears to expert (preferable MorphOS developers) opinions on this one.




[ Edited by Rodomoc 08.02.2012 - 18:47 ]

Quote:

Well, maybe it would mean something like this?

takemehome...

Interesting side by side comparisons there. As Piru has said, X1000 has some pretty impressive RAM performance attributes. As it should have in this comparison. But the cruddy Mac hardware fared well in other aspects, especially video. Let's put it this way, I am a cost conscious person. Best bang for the buck in other words. Well for a $350 solution (total computer with everything but a monitor), I think I'll stick with a cruddy mac that is upgraded. If you know what I mean.... Oh and on that cruddy mac I will run 'the OS for the people, the little guy'. Gee, I wonder what that could be.

So anyway, what is the magic formula in getting 7448 to roll with MorphOS, if there is such a formula? Any creepy firmware magic required?

And... I would like to see benchmark comparisons between a stock machine and 7448 accelerated one. Not sure about exact specs on the one performance comparison linked. Was it a 1MB L2 accelerator being used? Does an expert think that the slightly improved Altivec (better out of order instruction dealings) means anything? Is it the clockspeed increase? or the 1MB L2? In researching the 7448, mac junkies surely wanted the damn thing but some circumstances and timing of x86 introduction into mac universe prevented the 7448 from emerging.

On a side note, I find it humorous that extremely cheap mac junk running MorphOS in many cases surpasses 'other' much more expensive alternatives....

> how would 'one' invoke this support?

On a user level: By starting MorphOS on a supported Mac with an MPC7448 CPU board ;-)

> I would like to see benchmark comparisons between a stock machine and
> 7448 accelerated one.

Dnetc comparison between MPC7447A/B and MPC7448:

https://morph.zone/modules/newbb_plus/viewtopic.php?forum=3&topic_id=7001&start=498

I didn't get the 7448 until after MorphOS 2.7 was released but I have tested version 2.6 and that boots fine too. Not sure what the specific experimental support in 2.7 entails.

Quote:
Me too. Especially if that system happens to be a proper laptop

Besides, as X1000 doesn't run MorphOS, it would be quite useless for me. Already got enough linux boxes.

Interesting comparison data between 7447 and 7448. I would have thought the 7448 was better than this but I am no expert in these realms. That's ok, any of this mac hardware is a great performance deal for MorphOS.