Underclocking = artifacts?!

Okay, I decided to make a 2D and 3D profile in ATiTool, with the 2D profile clocked at (300,300) (oh yeah, I have a 9800Pro flashed to XT) and a 3D at (415,370). Anyway, I started playing a game at the 3D profile settings and it ran perfectly fine (as it always has). Out of curiosity, I ran the game on the 2D profile and I got both a TON of snow and big triangles dancing all around (mem artifacts). Then I ran ATiTool's max clock finder starting from both settings, 3D went up just a tad (I already knew the max clocks w/o artifacts) while the 2D artifacted horribly and got worse as it automatically lowered the clocks.

In addition, in just general use at 300,300 (i.e., 2D use) text gets garbled and everything in general gets messed up (except ObjectDock, oddly).

Anybody have an explanation for this?

Maxtor disgraces the six letters that make Matrox.
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  1. Bump...I'm really interested in finding the cause behind this.

    Maxtor disgraces the six letters that make Matrox.
  2. No one seems to visit this forum any more... we might as well post our overclocking questions in the video card forum... :frown:

    <font color=red><b>NF7-S/Mobile Barton 2600+
    210x11 1.82v SP-97
    1GB Corsair XMS PC3200
    BuiltByATI 9800 Pro</font color=red><font color=black>
    NF7-S/Barton 2500+
    200x11.5 1.76v
    512MB XMS PC2700
    Sapphire 9500@9700
  3. Darn, I go on vacation and come back with a question to a dead forum. I'll repost in the morning....I need sleep.

    Maxtor disgraces the six letters that make Matrox.
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