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Asus Rampage Extreme maxing out

Second INQpressions Part 2: 4.3 GHz with 8 GB DDR3-1900, air cooled?
Wed Jul 23 2008, 10:23

A BRAND NEW WATER cooling system came in just before my Taipei hop today, so, before running that, I tried to push the aircooling limits on Asus' newest top-end mobo. That means: Zalman 9500 only, plus two side fans for the chipset / VRM area and the memory. All subsequent tests will be with watercooling or better...

I ran the BIOS boot as well as Vista boot on the setup, using ATI HD4870 card. Take a look what the mostly auto settings do:





Nearly 4.3 GHz, at FSB1900 and dual channel DDR3-1900 CL9, using four Kingston 2 GB DDR3-1600 pieces! The temperatures and voltages are also OK, minus the need to bump up CPU voltage to 1.4 volts to boot Vista properly, which I did a little later.

Right now, this is the highest score I got using the QX9650 on any mobo when plainly aircooled - and that's without any tweaks yet. Not bad... and, oh yes, Vista runs fine with all that Kingston memory at DDR3-1900, but the voltage needs to go to 2.04 volts for the memory to pass Sandra mem test - a bit on the edge there, let's see what can be done to lower it a bit in the next episode. µ


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