Messages in this thread | | | Date | Sun, 17 Dec 2000 09:07:09 +0000 | From | Philipp Rumpf <> | Subject | Re: [PATCH] i850 support |
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On Sun, Dec 17, 2000 at 12:52:59AM -0800, Drew Hess wrote: > It also contains an experimental patch to drivers/pci/quirks.c that forces > standby mode for pool C RDRAM devices. I've seen some benchmarks > comparing the Intel D850GB motherboard to the ASUS P4T and attributing the > better performance of the P4T to the fact that Intel's BIOS puts pool C > RDRAM in nap mode and has no option to change it, whereas the P4T does. > On my D850GB, the patch doesn't seem to change the performance of STREAM > one way or the other; but when I change the value written into the RDST > register to set nap mode and shrink the A and B pools to 1 device each, I > see about a 20-30MB/s drop-off on STREAM, so I'm pretty sure the code does > what it's supposed to. > > This code isn't strictly a 'quirk' in the sense that some of the bug > workarounds in drivers/pci/quirks.c are, but I didn't see a more > appropriate place to put it. Suggestions are welcome.
sounds like powertweak is what you want. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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