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Even if there will be a version of MorphOS for Quad G5 (which is not likely) it won't be really so much better performing than currently supported top-of-the line G5 (except for the gfx speed of course). For example the Kraken Benchmark result was 108643.5 ms on G5 DP 2,7 GHz (MorphOS 3.9, OWB 1.24) vs 114303 ms on G5 QC 2,5 Ghz (MorphOS beta, OWB 1.24).

> Quad G5 [...] won't be really so much better performing than currently supported
> top-of-the line G5 (except for the gfx speed of course).

I think the main advantage of the Quad G5 (and other PowerMac11,2 systems) over currently supported G5 systems is clearly the ability to use rather modern, easily obtainable PCIe graphics cards (even non-Mac ones with some restrictions).

Yes and no, RadeonHDs don't work out of the box in PowerMac11,2. Proper init code needs to be written/fixed. So it's not the case: cards works in Sa,460, it will work in G5 PCIe.

btw. I'll have current version of MorphOS on G5 PCIe with RadeonHD card during
https://chal.pl/amiparty-xxii/general-information-english-version/

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for what i test on linuxppc G5 quad works 4xxx,5xxx,6xxx and 7xxx series the important is have the boards on the 8x slot.

@koszer
about 970MP vs 970fx . we need to use mos for compare ...

for now this is geekbench

970fx
64 http://browser.geekbench.com/geekbench2/161838
32 http://browser.geekbench.com/geekbench2/192836

970MP
64 http://browser.geekbench.com/geekbench2/2635869
32 http://browser.geekbench.com/geekbench2/2639804


[ Edited by tlosmx 23.01.2018 - 23:53 ]

Yesterday i had been test the Asus R7 250 2GB ddr5 on Quad G5 and i can confirm it is work under linux in Fbdev mode ... because radeonSI is not working on linuxPPC because endianess.

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GCN Gen1 compatibility doesn't surprise me.
How about Gen2 like an R7 260X?

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Radeon SI (or newer) doesn't work properly on (ppc) PowerPC (It's a known issue, and said to take several man months to rectify by experienced Mesa developers, ie. not going to be fixed), PPC64le does not have this issue of course...

The fastest Radeon cards you can run on (ppc) PowerPC is the northern islands chipset- the Radeon HD 6xxx range.

Since the poster has stated that he managed to get a Southern Islands GPU based card to work it appears to be only a software issue.
I'm not sure all of us are concerned about Linux capabilities.

I primarily am concerned about whether or not it is hardware compatible.

[ Edited by Jim 29.01.2018 - 05:12 ]

yes it is only a software issue jim

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Note that there is no hardware issue there. For example, Hans de Ruiter's W3D Nova *requires* Southern Islands cards on PowerPC.

[ Edited by AMiGR 30.01.2018 - 16:11 ]

Yes no issue on Be hardware newer or oldest for what i test.
Radeon 7xxx series and R7 250 works but only in fbdev mode because glamor crash when open RadeonSi in mesa, this happen on all BE machine (sam460,X5000,X1000,G5 Quad)
Im pretty sure all the gpus 1.1 pcie compatible will work on G5 Quad Radeon and Nvidia,
the gap on BE is only in software (drivers endianess).
If one day mos will run on Quad im sure will use the radeonhd gpus like on X5000 without issue or even better

[ Edited by tlosmx 01.02.2018 - 13:27 ]

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Actually, that should be "one day hopefully WE will be able to run MorphOS on PCIe G5s", because the developers already can. 😋