Jose wrote:
I don't hink accelerators are allways bad. If you look at PC motherboard they 've had the same PCI bus and I/O for too much time. The major stuff that has changed was the processor, and memory controler. So why do people have to allways buy a new PCI bus, etc... with every new board?
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Reasons for the new motherboard, i.e. the Northbridge and Southbridge cores gets updated. Certain benchmarks prove speed disparity between the chipsets (i.e. efficiencies issues) e.g. nVidia’s nForce2 vs VIA KT400.
With nForce2’s case, its 128bit bus****, 400Mhz DDR FSB, AGP 8X Pro, Hypertransport based Southbridge and Northbridge link, DASP (Dynamic Adaptive Speculative Pre-Processor)**, integrated DSP and 'etc'.
** "an intelligent agent that monitors CPU requests and looks for access patterns that it can
successfully predict. When it recognizes such access patterns, it exploits unused memory bandwidth to load its cache with data the CPU is expected to request later". This is built into the Northbridge chip.
****Useful for concurrent DSP, GPU and CPU main bus access.
