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New posts Trending Search forums. What's new. New posts New profile posts Latest activity. Current visitors New profile posts Search profile posts Billboard Trophies. Difference between fsb and dmi. Forums Hardware CPUs. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Previous Next Sort by votes.
Feb 4, 4 0 18, 0. Mar 27, 0 18, 4. Feb 17, 0 18, 7. Tech Community Register Log in. FaceBook Share. Since the FSB is not enough, the design deficiencies this time the memory controller within the Northbridge chipset, CPU and memory to exchange data through the Northbridge total, the equivalent of two people talking, always through a third party, which was very convenient , so intel think of a way to do the memory controller inside CPU, make CPU and memory by PQI bus direct communication, not through the Northbridge chipset, which obviously speeds up Figure View Image Intel found later, by the CPU cards are connected to the Northbridge is troublesome, as convenient and direct communication, so that the data exchange is more convenient, so simply the PCI-E controller also integrates into the internal CPU, thus way, corresponding to the Northbridge chip set integrated into the whole interior of the CPU, the chipset is no longer needed on the motherboard, only the south bridge, then the CPU directly connected "southbridge", the bus between them is called DMI.
As Note: qpi bus is used from the beginning i7, i5 and after it, there are a lot of people feel dizzy here. Write My Article. Specifically as the link between the CPU and the northbridge. The bandwidth of this link depended on its width which was almost? This speed was limited by the capabilities of the chipset and the CPU. This forced a change from the old FSB setup to something new.
For Intel this was done with something called QuickPath Interconnect. A similar upgrade occurred between the reduced functionality northhbridge and the southbridge. The new link is called the Direct Media Interface. It closely resembles a PCIe link x4 or x2. Is there any formula to standardize the measures? Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Asked 8 years, 6 months ago. Active 2 years, 4 months ago. Viewed 11k times. I'm a bit confused about some terms used by CPU manufacturers.
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