Re: Why does CPU mag (Feb. 2009) rate the P6T motherboard much lower than the Rampage II Extreme?


"Ed Medlin" <ed@xxxxxxxxxxxx> wrote in message
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"Ian D" <taurus@xxxxxxxxxxx> wrote in message
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That is why I bought the P6T myself. i7 920 @ 3.6Ghz, 3X 2gb Corsair XMS
in triple channel with Vista Ultimate 64. It was the easiest build I can
remember doing. From the boxes to finishing updating Vista it was about
an 8hr build taking my time. Everything just worked. If you get one,
make sure to update the bios right away to help with a few memory
issues. You can do that even before installing the OS with a thumb drive
through the bios tools.


Ed

What heatsink are you using to OC the 920 to 3.6GHz? Also,
what are the memory issues? I'm using 3x 2GB OCZ Platinum
1333MHz, at 1333MHz and 7-7-7-20 timings, on the original P6T
Dlx BIOS with no issues, running Vista Ultimate 64. This board
is definiitely designed for 64 bit Vista. There's no memory remap
required for 64 bit. The 32 bit vs 64 bit memory map switch
automatically adjusts to the OS.

I am using a Thermaltake V1. It is quite large and you have to make sure
your case will handle it. The bios update helps with some memory
compatibility issues IIRC, and a couple other things that I don't recall
right now. It is about as easy as it could be with the new tools in the
bios for upgrading. I actually can run it very stable at 3.7Ghz, but I
just can't get myself to realize that this i7s run naturally hotter than
previous Intels. They don't even start to throttle down until they reach
the tjunction max which is 100C. At 3.7Ghz, I ran mine for 12hrs at over
85C on all cores and it stayed perfectly stable with no errors. It took
quite a vcore jump from 3.6Ghz to 3.7Ghz, so I just backed it down and the
temperatures are much more in line with what I am more comfortable
with.....staying in the 60sC max and idle in the high 30sC.


Ed

As far as the CPU temp goes, with the i7 920 at default speed and
heatsink, I'm getting the same temps under similar loads as my
Core 2 Duo E6600 with an Arctic Freezer 7 Pro. Core 0 idles around
42C, with the other cores at 39C or so. The max I've seen with all 4
cores at 100% is 59C. This is with MS Flight Sim X, SP2, which
is multithreaded for multicore CPUs. FSX is capable of using 8
cores, but it doesn't seem to get fooled into using the HT1 threads,
which would require more thread scheduling for no computational/
performance gain.

I'm not using PWM for the CPU fan as it raises the temp by about 4C.
The best cooler for the i7 is the Cooler Master V8, but it's a pretty
massive chunk of fins and cooling pipes with a fan in the middle,
and heavy, at almost 2 lbs.



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