Hardware Reference
In-Depth Information
connects to the north bridge component (called an I/O Hub or IOH) on the motherboard
(see Figure 3.32 ). The IOH implements the PCIe graphics interface.
Core i7 and i5 processors also support Turbo Boost (built-in overclocking), which in-
creases the performance in heavily loaded processor cores while reducing performance
to cores that are lightly loaded or have no work to perform. Turbo Boost is configured
through the system BIOS.
Figure 3.32 Core i7 900 series processor die.
Photograph courtesy of Intel.
The initial members of the Core i Series Family included the Core i5 and i7 processors.
These were later joined by the low-end i3 processors. Table 3.19 details the various pro-
cessors in the first-generation Core i Series family.
Table 3.19 Core i Series Family Processors Using Nehalem Microarchitecture
 
 
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