PAT cannot be turned off by a motherboard vendor

I recently found this info:
Quote
Here is the information Intel has provided us and approved for release on 3dXtreme:
PAT technology CANNOT be disabled in a 875P based motherboard running at 800MHz system bus with dual DDR400 memory. However if memory population increases to 2 DIMMs per channel, PAT is designed to balance maximum performance with robust operating stability, and you won't see the maximum benefits that PAT can bring to a single DIMM per channel environment.
After some further inquiry we were provided with some additional information:
PAT is hardwired within the chipset and cannot be turned off by a motherboard vendor. Certainly a motherboard vendor can minimize its benefits by setting inefficient memory timings, but not sure why they would want to do that. There is no way to test within Windows to see if PAT is enabled within the chipset. However companies with the right tools can check PCI registers to see if the motherboard vendor has optimized their own memory timings. I think this is the basic confusion, motherboard vendors are setting memory configurations in certain ways and then claiming they are turning on or off PAT. This is incorrect, all they are doing is optimizing or unoptimizing their memory performance. Trying to relate these BIOS switches to turning PAT on or off is incorrect.
on http://www.3dxtreme.org/DFI_lanparty_p3.shtml
I'm currently running a P4 2,8@3,25 with UltraFast RAM settings and Dual Channel DDR using a 66/33mhz combo. Sandra tells me PAT is disabled. Should I be worried about that or believe in what Intel says?
-M3-

Quote
PAT technology CANNOT be disabled in a 875P based motherboard running at 800MHz system bus with dual DDR400 memory.
Question: how about 801MHz ? 1000MHz? or 533MHz?

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