[coreboot] 8GB graphics cards work on coreboot - in case anyone is wondering

Matt B matthewwbradley6 at gmail.com
Sun Sep 30 17:14:23 CEST 2018


One thing I just noticed about the page:

Here "Crossfire XDMA" is listed as needing testing. If nobody has been able
to test this, and you (or someone else) has the opportunity this might be
an interesting thing to test.

After learning that this board can take a more modern CPU (family 15h) I'm
now considering it more strongly for a future computer. My K10 box is
*currently* mitigated against Spectre V2 (IBP disabled under CentOS via a
chicken bit) but I don't think it's wise to expect further mitigations to
be forthcoming from AMD should more bugs rear their ugly head. Moving up to
a family 15h CPU means getting updated Spectre V2-mitigating microcode and
a much more realistic expectation of support in the immediate future. I'll
probably even move up to piledriver (like the G505s I'm currently working
on), since a microcode patch will also fix the NMI issue (and I'll be
applying one to the stock microcode anyway).

I'd be really interested to learn if Crossfire and other features of modern
cards work on these older boards under coreboot, since they may come in
REALLY handy when running any machine learning loads on these boards.

On another note, does anyone have a favorite PSU for these boards?
Preferably something that will last a bit longer than crappy consumer gear?
This thing already requires two 8-pin connectors for a dual CPU setup, and
graphics cards demand them now too.


On Sat, Sep 1, 2018 at 4:15 PM Mike Banon <mikebdp2 at gmail.com> wrote:

> Taiidan, thank you very much for your valuable feedback! When I've
> been thinking of getting KGPE-D16 my main concern was that some high
> end GPUs wouldn't work for some reason and it was difficult to find
> any info... Luckily your RX580 doesn't have a Security Processor
> inside it ! Did you know AMD started putting this "security processor"
> crap into their GPUs also, starting with Vega? Hopefully RX line would
> be safe for a while, maybe I'd get RX680 when it comes out if it will
> not be tainted by this "security" :P Wish you to get a second nice
> Opteron one day
> On Sat, Sep 1, 2018 at 10:41 PM Taiidan at gmx.com <Taiidan at gmx.com> wrote:
> >
> > I was worried that it wouldn't work for some reason like due to lack of
> > 64bit MMIO in coreboot but I just installed an AMD Raden RX580 8GB on my
> > KGPE-D16 and it works great.
> >
> > I am playing the latest games on max settings in a VM with a GPU
> > bottleneck at 1080p with my single 6328 CPU...it is nice to finally have
> > good smooth gameplay with high fps.
> >
> > --
> > coreboot mailing list: coreboot at coreboot.org
> > https://mail.coreboot.org/mailman/listinfo/coreboot
> --
> coreboot mailing list: coreboot at coreboot.org
> https://mail.coreboot.org/mailman/listinfo/coreboot
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