Geek question -RAM speed/ benchmarks

Hi- I just installed new Kingston 2*1GB RAM on my Dell Inspiron 1505 (Intel
Calistoga i945PM). The earlier memory was 533MHz, while the new modules are
667 MHz (They are http://www.buy.com/retail/product.asp?sku=204884016).

The problem is that these modules are running at 533Mhz. I verified that
the 945PM does indeed support 667
(http://www.intel.com/products/chipsets/945pm/index.htm). However, these
modules are running at 533 for sure. Everest says the memory speed is
really 667, however the Memory bus 'Effective clock' is 533Mhz, with the
real clock being 267 (It doubles with dual channel).

Before I upgraded my RAM, I had taken benchmarks (Everest cache and memory
benchmarks). The new benchmarks are almost completely identical to the old
ones. This seems to be something to do with the motherboard (a BIOS
setting?). My BIOS is the newest version- A17.

Any ideas? Please!


.

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