5870 problem

Ok, try this, it cant hurt:

1. Go into CCC and enable overdrive then create a new profile, give it a name. Make sure that under "this profile includes" you only choose overdrive. Hit "save" and then "activate and close".

2. Go to "C:\\Users\\username\\AppData\\Local\\ATI\\ACE\\Pr ofiles" (you need to enable showing hidden files in folder options). Right click the profile you created and choose "edit"

3. You'll see something like this, although your card is overclocked so the max numbers might be higher, but what you are interested in are the bold numbers.

<Feature name="CoreClockTarget_0">
<Property name="Want_0" value="15700" />
<Property name="Want_1" value="60000" />
<Property name="Want_2" value="85000" />
</Feature>
<Feature name="MemoryClockTarget_0">
<Property name="Want_0" value="30000" />
<Property name="Want_1" value="90000" />
<Property name="Want_2" value="120000" />
</Feature>
<Feature name="CoreVoltageTarget_0">
<Property name="Want_0" value="950" />
<Property name="Want_1" value="1063" />
<Property name="Want_2" value="1163" />

4. Now change the bold numbers with something higher, for example the numbers beneath (in the second rows of each section). So 15700 to 60000, 30000 to 90000, and 950 to 1063. Don't go higher then the numbers in the third row for each section. Double check the numbers you typed/copied.

5. Save and exit.

6. Now go to CCC, into overdrive and confirm that your current clock values are 600/900 when idle (if you copied the numbers from the second rows).

7. Check the AA/AAA preview windows for artifacts.

EDIT: To explain, some people have issues identical to yours caused by the card down clocking itself while idle. Those bold numbers are the frequency and voltage values it will use in this low power mode. This is a fix confirmed by many people I know, and will show us if this is your problem as well. If it doesnt help, simply delete the profile you made form CCC.

EDIT 2: Oh yes, before step 6, you might have to go into CCC, then options/profiles, and activate the one you made.

Quote:
It wont. I edited my previous post with an explanation. You are going to make a profile and tell your card to use higher core/memory/voltage in idle mode. Those three sections you see in my post are for core, memory, and voltage. Each of the lines is for three possible modes, from idle (top) to load (bottom).

By increasing the values in each of the top rows for each section, you tell the card to use higher values when idle.

I have seen multiple people with problems like yours, using same OS, and all were caused by this.

EDIT: You will be changing values for the lowest (IDLE) mode, so it's nothing dangerous, since those values are within normal specs, and lower then default full load.