[mythtv-users] HD Woes (so close to working, dual-channel RAM question)
nate at crosno.net
Sat Feb 3 15:52:05 UTC 2007
Brian Wood wrote:
> On Feb 3, 2007, at 8:10 AM, Nate Crosno wrote:
>> So my current question is how much of a difference does dual
>> channel memory
>> make on a Mythtv system? I am an idiot and did not realize I
>> actually had a
>> 1gb and a 512mb stick and not 2x512. In the bios on startup, it
>> says it's
>> running in single channel mode.
> I suspect it would not make much if any difference, Myth is not a
> memory access intensive application.
OK, thanks for the input. My searches returned lots of conflicting information.
Some claiming nothing and some claiming the moon.
> You didn't mention what model mobo you're using but if it allows it
> you might try overclocking a bit, even a 10% O/C can sometimes help.
> A lot of the Jetway boards have VIA chipsets which have DMA and PCI
> buss problems. You might look at your PCI latency values, adjusting
> them made a big difference on a VIA-based board I was playing with a
> year ago, though your CPU numbers sure sound like that's your problem.
I'm using this board with Nnidia chipset:
JetWay J939GT3-PTD Socket 939 NVIDIA GeForce 6100 Micro ATX AMD
> Sounds like you know to have your Gentoo USE flags set to take
> advantage of SMP and threading.
I do not have it set specifically for Mythtv, but it is enabled for the kernel.
> Also check the obvious stuff like making sure you don't have anything
> unnecessary running, you might also try a minimal X server, if you're
> running something like KDE it can take up a lot more CPU than a
> stripped down X server will.
I'm running blackbox. While watching some 1080i content, mythfrontend was
taking over 100% cpu on one core while X was running 10-15% on the other.
Thanks for the input.
More information about the mythtv-users