Official GIGABYTE X38-DQ6/X38T-DQ6 Info/BIOS Thread

[Buggalugs]

I have been trying to figure out why my 3870x2 keeps stuttering(it is a brand new card, I just got it a couple of days ago). If I reboot and do nothing my latency stays under 500us.. After about 30 minutes of playing call of duty 4 I am getting spikes of about 3000-5000. What can I do about this? I am getting very frustrated with my stuttering.. It seems to be a problem with the DPC latency.

You need to wait for a bios fix that Gigabyte is working on. 3000-5000 is really bad and will be noticable.

I suggest you take a screenshot of the latency checker program and email Gigabyte tech support with a few words that decribes your experience. IE Slow system, stuttering, audio dropouts etc.

With your card you might have the "powerplay" issue where it can downclock to low 3D mode while playing a game. Its a problem with ATI3870 and X2. The card has 4 power modes Boot mode,2D mode,low power 3D mode and Full 3D mode. There has been a problem where it can go from Full 3D to low 3D while playing causing stuttering. Some vendors have a VGA bios upgrade, or you can edit your bios so there are only 2 modes. If you go to your cards website/forum or the ATI website you can find more info.


Also some of you might see some error messages in Vista Event viewer that this latency issue causes.



You need to look in:

Event Viewer/applications and services log/microsoft/windows/diagnostics-performance/operational


You will probably see a bunch of errors, warnings etc about boot degradation, system degradation, etc.


@ Kojo. You are one of the lucky ones. From what i can tell it is very widespread affecting all Gigabyte boards since P35 and including X48.