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Corsair Cooling ICE T30 System

Corsair Cooling ICE T30 System

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Performance

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Hardware System Summary:

Intel Core-i7 920 (SLBEJ)
Corsair Dominator 1600 and DominatorGT 1866 (Both 3x2Gb)
Foxconn Bloodrage X58 Board with Bios G22
Intel X25-M SSD
ATI Radeon 4670

go to site There is one major component which is required to take full advantage of the ICE T30 and that is a CPU which can provide us with a fast uncore/uclk speed. On Core-i7 systems it is a requirement that the uncore/uclk is double the memory frequency so for 2000MHz memory we require 4000MHz on the uncore. With our original i7 965EE CPU 4000MHz was essentially the limit of our processor and so we had to source another, which did not fare much better. The same could be said of our original C0 revision i7-920. Thankfully our friends at eBuyer were able to supply us with a D0 revision processor.  With the new CPU in place we were able to improve our uncore rating and test the cooler more thoroughly.

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The starting point for the Dominator GT is 1866MHz with timings of 7-8-7-20-2T at 1.65v. With the T30 in place and Coolit’s Domino ALC on our CPU we began raising the CPU/Motherboard/Memory settings until the system became unstable. With the Dominator GTs installed we found the highest stable setting to be 2102MHz with 1.9v, we were actually able to hit 2000MHz with stock voltage and timings before continuing up to the limit.

Once again though we were actually being held back by our CPU and had effectively reached the limit of the platform, rather than the memory. The reason we know this is that loosening the timings had no impact on the maximum MHz rating we could achieve. What we were then able to do at 2100MHz was to tighten the GT timings to 7-7-6-20-1T and still retain full stability.

To find out just how much better than air cooling the TEC was we had to therefore rethink our approach and find a component which was not limited by the CPU. The product we chose to use for this was the excellent set of modules which we have been using in our main test system since the Core-i7 was launched in November 08. These sticks which are part of Corsairs Dominator range were some of the first to ship with the removable fins which make them compatible with the TEC cooler.

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With those modules we know they were unable to overclock past 1835MHz on the advertised timings or 1866MHz with relaxed timings on air. With these figures in mind we set our timings to those stated by Corsair (8-8-8-24) and began raising the MHz and voltage. We easily passed by the previous maximum overclock of 1835MHz, followed soon after by 1866MHz. Our final overclock proved to be 1960MHz using a voltage of 1.9v. This meant that not only had we increased the memory by 360MHz overall, the ICE T30 had allowed us to improve our maximum overclock results by 125MHz. On a set of memory which is not hand picked this was quite an achievement.

 
Standard Settings
OC Voltage
Maximum Overclock
Bclk Used/memory multiplier
Timings used
Dominator GT 1866MHz
1866MHz
7-8-7-20-2T @ 1.65v
1.77v
2102MHz
150mhz /14x
7-7-6-20-1T
Dominator
1600 MHz
8-8-8-24-2T @ 1.65v
1.9v
1960MHz
140mhz /14x
8-8-8-24-2T

About Author

Stuart Davidson

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