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Lag w/ winamp+adobe... soundmax audio with OC...

post #1 of 6
Thread Starter 
Hey. Gots a question fors yall.

first, relevant hardware:
e6420 OC'd @ 3.6
2GB ddr2 corsair @ 900
p5B Deluxe wifi (AD Soundmax onboard audio)
...

here's what happens...

winamp is running, pumping some head-bobbing Infected Mushroom house music out the Soundmax stereo out, when I open up a pdf (from file or within firefox), the scrolling within adobe totally chops up the audio in a fashion that slows the audio down... if the chops were quicker, it would sound like a funny change in pitch lol...

I was thinking this could be an IRQ issue? does this sound feasible or is this a suggestion of the n00bish sort???

I was using a creative card (pci) but i ran into a lot of problems so I chalked that up and went with the soundmax... Could it be that the soundmax hardware can't communicate with the other hardware (cpu etc?) when it's cruisin @ a ~70% OC?

any info appreciated!

thanks
-pat
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post #2 of 6
Can you put you system spec which can be done here User Control Panel please
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post #3 of 6
Have you tried to declock your overclocks or run at stock speed? An unstable system can cause that. Mine did.

And welcome to Overclock.net!
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post #4 of 6
Thread Starter 
Quote:
Originally Posted by TaiDinh View Post
Have you tried to declock your overclocks or run at stock speed? An unstable system can cause that. Mine did.

And welcome to Overclock.net!
it didn't have this problem without clockin' it up...

well, it wasn't this noticeable anyway...

think i should just get that creative card back in there?

and thanks! glad to be here

-pat
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post #5 of 6
try theses
1. Defrag
2. scan for virus or adware
3. use ccleaner for internet history and to clean your registry
4. scan disk your hard drive
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post #6 of 6
I managed to fix the Soundmax stutter!

Turns out the real problem was indeed my hard drive; or more specifically, my IDE/SATA controller. My hard drive was operating in PIO mode, which was causing micro-freezes of my entire system nearly every time the system accessed the drive for reads or writes.

This is what worked for me:

Go into your Device Manager and open up your IDE ATA Controllers list. Under there you should have a Primary IDE Channel listed, or something similar. Open it up, go to the Advanced Settings tab, and make sure to set the Transfer Mode to DMA If Available. In a typical system there will be two Primary IDE Channels: one each for your SATA HDDs, and one for the CD/DVD-Rom (which are usually not SATA). Go ahead and do this for both.

If it says "Pio Mode" for either the Transfer Mode or Current Transfer Mode then that's your problem. You don't want to be satisfied until the Current Transfer Mode reads Ultra DMA Mode 5. (or Modes 2-4 for then CD/DVD rom device)

Reboot. In my case it changed to Ultra DMA Mode 2 immediately, but the changes didn't actually take effect until I rebooted -- at which point my system read Mode 5 and everything was peachy. That's right. No stuttering regardless of what version of Sundmax drivers or hardware acceleration, or apps running in the background, or heat, or anything.

If your drive refuses to switch into DMA mode, then you might need some BIOS upgrades/patches for your motherboard's chipset, which are system specific and left up to the discretion of the reader to find/download/install.

Apparently this is a common problem with SATA drives. Windows XP, and apparently Vista too, take great joy in defaulting to PIO mode, and mass stuttering ensues. It's actually causing nearly system-wide micro freezes but it's most obvious at the audio level.

Edit:
In a previous version of this post I thought I had fixed my problem by installing older SoundMax drivers and turning down DirectSound's Hardware Acceleration a notch, to 'Normal.' While this made my games and Winamp function pretty reliably, it turned out they weren't perfect and -- worse yet -- the particular legacy driver I had to use was prone to freezing up my entire system (oops!). So I had to find a better solution, if there was one to be found.

I'm not sure how or why using old drivers without HW acceleration helped reduce the prevalence of the stutters, but they did. And as a result I was convinced that the problem was in fact due to shoddy hardware/software on the part of Analog Devices. I was obviously wrong. My SoundMax now functions quite nicely, and my SATA drive is a lot faster too!
Edited by Air - 7/20/08 at 11:33am
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