
Intel® Core™ i7 Desktop Processors Based on Socket LGA2011 with Intel® X79 Express Chipset
Processor Memory
1 2 3 M Memory
4 5 6
C
PCIE
C• Core Frequency
–Unlocked Intel® Turbo Boost Technology limits†
–Unlocked core ratios up to 63 in 100MHz increments†
–Programmable voltage offset
R
PPEG
DDMI
DMI
M• Memory Ratio
–Unlocked memory controller
–Granularity in 266MHz steps
–Ratios supported up to 2400Hz
• DMICLK (aka BCLK)
– Fine Grain range ±
×1
DB1200
~ CK505
R– BCLK ratios = 1.0, 1.25, 1.67
• PEG and DMI Ratios
PD – PEG/DMI ratios = 80/50, 64/40, 48/30
–Ratio option must reflect selected BCLK coarse ratio
Example : Core Freq x 1.25 R requires PEG/DMI ratios P D at 64/40 x 1.25 R to keep at 8 GHz/5 GHz nominal
9 † Only some processors enable part or all of these features. Consult processor documentation for details.