Don't you hate it when...

RobertP said:
The HD 6870 was fine in the previous build.
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But the previous build had a different power supply configuration to the audio subsystem ;) It'll just be a less than optimally designed power supply system on the board.

At a guess, any video card that draws a lot of power will also cause the audio to suffer on that board.

IMHO (and is what I do for all my computer audio), the best way of avoiding it would be an external DAC fed by onboard SPDIF/Optical, but that's more expense again.
 
I would go for a different mobo personally. If it has that inherent flaw in the design, get another one with a similar spec.
 
Old Audigy 2 ZS platinum pro installed and no scrolling noises at all - with the HD 6870 in place and volume up way too loud.

Creative software busy doing updates and so far the external control box that comes with the card isn't working but not worried if it doesn't come to life with the updates. 7.1 is working with no weird noises.

This is the first Asus board I've had problems with and it so far it seems solved by a sound card so it will be staying now.
 
RobertP said:
Old Audigy 2 ZS platinum pro installed and no scrolling noises at all - with the HD 6870 in place and volume up way too loud.

Creative software busy doing updates and so far the external control box that comes with the card isn't working but not worried if it doesn't come to life with the updates. 7.1 is working with no weird noises.

This is the first Asus board I've had problems with and it so far it seems solved by a sound card so it will be staying now.
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At least you have a solution. When I built my own PCs I always had trouble with Asus boards and their support was always terrible. Much preferred Abit boards but then they went kaput.
 
External box was operator error. Sound card needed a power supply connected for that to work. All good now.
 
RobertP said:
Old Audigy 2 ZS platinum pro installed and no scrolling noises at all - with the HD 6870 in place and volume up way too loud.

Creative software busy doing updates and so far the external control box that comes with the card isn't working but not worried if it doesn't come to life with the updates. 7.1 is working with no weird noises.

This is the first Asus board I've had problems with and it so far it seems solved by a sound card so it will be staying now.
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Glad you got it sorted at last.

I love ASUS boards but don't think I would have persevered like you did.
 
Strangely the board has been withdrawn from sale on Amazon. Wonder if they tested my return and others and heard noises...
 
RobertP said:
Strangely the board has been withdrawn from sale on Amazon. Wonder if they tested my return and others and heard noises...
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Amazon won't test anything and I doubt asus will have it back yet if they ever do.

Incidentally my p8p67-m pro doesn't do it, that's running inboard sound and twin 5770 powered by an Ocz 750w
 
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Thinking out loud I'm not sure it's an electrical interference issue, I mean what interference would get worse when dragging items around the screen.

It almost sounds like some sort of hardware conflict between the pci-e and on board audio controller? Maybe an irq or memory resource issue?
 
neil_g said:
Thinking out loud I'm not sure it's an electrical interference issue, I mean what interference would get worse when dragging items around the screen.
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You're doing more on the memory/PCIe bus when you're shovelling data around screen. If you're not updating windows, you're not writing to the PCIe lanes.
 
The interference was with nvidea and amd but the amd was much worse. No hint of noises with the Audigy 2. finding 64bit drivers for it was not easy though. The Creative website ones are pretty poor so used a version posted on their forum instead and all's well.

Bit of gaming today was improved more that I expected. Sound with the soundcard is definitely crisper and clearer that with the previous onboard sound on the p5K-e, and the game runs so much smoother. I was surprised that I could up the graphics settings significantly even though it is the same card.
 
arad85 said:
You're doing more on the memory/PCIe bus when you're shovelling data around screen. If you're not updating windows, you're not writing to the PCIe lanes.
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True.. Definitely something surrounding the pci bus and onboard sound though. Tis odd.
 
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