Quote Originally Posted by mikeyakame View Post
vox.

im pretty sure pcie sata voltage is the same as sb pll voltage, but would need to read over the p45 chipset datasheets to tell u for certain. being a mainstream chipset intel might have gone a more cost effective means and gone about this a little differently. personaly id stick to 100-104 and 110-114....my reasoning is somewhat basic. Nvidia uses a 27mhz pll reference on the g80 and newer cards (108mhz base clock is used to obtain the shader clock by 1:2 divider, and memory clock with 1:1 divider), on top of this the gt200 series cards switches the pll reference to the pci-e bus when downclocking to generate the core, shader and memory clocks (which use a 100mhz base clock) in 2d mode for power saving. if you own an nvidia gpu then its probably wise to avoid between 105-109mhz theres more chance of cross talking between gpu bus and pci-e bus when the pll source is switched back and forth. I don't know much on the pll reference ATI uses so I can't help there.
I have a HD 4870 1GB DDR5 what would be the "best" ranges for my GPU?

tks
vox