Intro to Intel 820
In 1999 the new generation of high-end Intel chip set was code named "Camino".
This i820 "Camino" chip sets was originally set for debut in May or June, but were delayed. The Rambus technology was problematic.
The i820 chip set was finally to be launched September 27th, 1999 but was delayed again. This time motherboards with more than two SDRAM sockets did not work. And there have been so many problems with this chip set, which soon became a nightmare for Intel. In the press the situation was described as "Caminogate"
Anyway, we have to look into the architecture. We find:
The chipset was designed for high-end use with Pentium III processors.
The (MCH) provides the CPU interface, DRAM interface, and AGP interface. This chip is found in two versions: A single processor (82820) or a dual processorchip (82820DP).
The ICHmakes a direct connection from the graphics and memory to the integrated AC97 controller, the ATA66 controller, dual USB ports, and PCI add-in cards.
Besides the two main controllers you also find:
Read about the Pentium in module 3c
Read about the Pentium II's etc. in module 3e
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