Re: [LAU] HW upgrade - new computer

On Monday 28 April 2014 07:11:52 Clemens Ladisch did opine:

> Len Ovens wrote:
> > Memory: 8G, all one stick, which is slower than two 4G sticks...
> >
> > maybe not the best choice, but seems ok.
>
> I doubt that the difference is measurable, let alone noticeable.
> In any case, this allows easier upgrading to 16 GB. :)

Ye,s its measurable as it disallows the alternate chip access mode, cutting
the bandwidth in and out of memory in half.
>
> > Disk: 2TB sata about 5 years old (as I recall)
>
> Nowadays, not using an SSD tends to be the bottleneck.
> (But this is probably not the case for streaming audio.)
>
> > I chose this MB because it had three pci slots
>
> The PCIe/PCI bridges built into chipsets are reliable, but motherboards
> that have a separate chip for this tend to use cheap crap.
>
> Your ASM1083 is infamous. Revision 1 was unusably buggy; rev. 3 mostly
> works (except for virtualization). Which one do you have (lspci)?
>
> > ASUS was nice enough to list the irq layout of the pci(e) slots in the
> > user guide.
>
> "Nice" isn't enough, it should be _correct_ (which was not the case for
> my last Asus manual).
>
> Anyway, PCIe devices that support MSI use a completely separate
> interrupt line. (USB3 ports, graphics, and built-in audio should be
> harmless then.)
>
> You need to check /proc/interrupts to be sure.
>
>
> Regards,
> Clemens
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Cheers, Gene

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