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Socket LGA1366 Intel Core i7 920 Bloomfield
BX80601920
266 GHz 133 MHz x 20= 2660 MHz 8 MB Shared L3 Cache
C1E 12x 133 MHz 1596 MHz/ 1.6 GHz
Power: 83.6 W 100% Load and 2.7 W Idle
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Overspeed Protection: (may only change turbo setting)
CPU 100 A / 130 watts TDP / Core 100° Celsius
X58 motherboards should ship with a BIOS setting that tells the CPU to ignore its TDP/current limits
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Uncore - houses the memory controller and the shared L3 cache
920 run the uncore at 2.13GHz.
uncore clock runs at a simple multiplier of the BCLK (133MHz): 16x for the i7-920
The uncore also runs at its own voltage (1.20V) and that voltage doesn't scale up/down.
uncore clock is configured on the memory settings page and is simply called UCLK
increases in uncore frequency is not nearly as useful as increasing the CPU frequency.
Intel optimized the uncore for power consumption
uncore/ increasing its clock speed doesn't really do all that much for performance.
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Tri- Channel
DDR3-1600 MHz OC XMP or DDR3-1600 MHz only 3 DIMMS
DDR3-1333 MHz
DDR3-1067 MHz
MAX 1.65 V
Two memory speed multipliers, 6 and 8. internal chip base clock 133 MHz, memory speeds of DDR3-800 and DDR3-1066.
Increase Memory Speed, overclock the CPU’s FSB
GHz FSB x6 x8
3.20 GHz 160 DDR3-960 DDR3-1280
3.00 GHz 150 DDR3-900 DDR3-1200
2.80 GHz 140 DDR3-840 DDR3-1120
2.66 GHz 133 DDR3-798 DDR3-1064 Stock
CPU 133 x 20 = 2660 ~ Mem 133 x 8 = 1064
Intel Extreme Memory Profile (XMP)
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BCLK = Bus Speed/ bus speed x multi = core speed
Turbo Mode 160 MHz x 21= 3360 MHz
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Turbo mode: Increase 1x Multiplier = 133.6 MHz x 21 = 2805.6
2 Bin turbo up if single threaded, 1 bin turbo up if multithreaded
133MHz faster than native clock speed
multi core
266MHz single core
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http://www.intel.com/design/corei7/documentation.htm
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ftp://ftp.asus.com.tw/pub/asus/mb/LGA1366/
X58 Chipset ICH10R
Enabling the HPET (High Performance Event Timer), Asus label it, APCI 2, Stablizes CPU clock fequancy
1.25 vCore
Review Benchmarks: Futuremark Suite
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SilverStone Technology Co OP-650
OP650-manual.pdf OP650-GPU-supportlist.pdf
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ICs Info
a personal webpage of chuckbam.com