Справочник Пользователя для Intel CW8064701471001
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20
BCLK @100, 125 or 167
MHz +/1 5-7%
DDR
Cores
Last Level
Cache
System
Agent
PCIe
*
DMI
pGfx
Next Generation Intel Haswell Microarchitecture
Clock Tree
•
Single BCLK input comes
from PCH in <1MHz steps
•
Acceptable input to CPU
limited by PIC Express
*
(PCIe) and DMI PLL interface:
100MHz x ±5-7% PEG/DMI @ 5:5
125MHz x ±5-7% PEG/DMI @ 5:4
167MHz x ±5-7% PEG/DMI @ 5:3
125MHz x ±5-7% PEG/DMI @ 5:4
167MHz x ±5-7% PEG/DMI @ 5:3
•
Frequency Relationships
f(GT) = BCLK/2*GT Ratio
f(Core) = BCLK*Core Ratio
f(Ring) = BCLK*Ring Ratio
f(DDR) = BCLK*1.33*DDR Ratio
-Or-
f(DDR) = BCLK*1.00*DDR Ratio
f(Core) = BCLK*Core Ratio
f(Ring) = BCLK*Ring Ratio
f(DDR) = BCLK*1.33*DDR Ratio
-Or-
f(DDR) = BCLK*1.00*DDR Ratio
Ri
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