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Nvidia's BR02 "High Speed Interconnect" ("HSI") chip was used in their early
Nvidia's BR02 "High Speed Interconnect" ("HSI") chip was used in their early PCI Express
PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards. It is the common ...
graphics cards, where it acted as a bridge between the PCI Express connection to the computer and the natively AGP
AGP may refer to:
Science and technology
* Accelerated Graphics Port, a high-speed point-to-point channel for attaching a graphics card to a computer's motherboard
* Advance Game Port, a third-party GameCube accessory
* Aerosol-generating proce ...
GPU. This allowed Nvidia to release a PCI Express graphics card without redesigning the graphics card's GPU for the new interface. It was introduced in 2004.
Nvidia has also developed an HSI chip which works in the opposite direction, allowing natively PCI Express GPUs to be used in graphics cards released for the AGP interface.
This chip is no longer used on modern Nvidia GPUs due to the obsolescence of the AGP standard.References