Okay, hardware based question.
I was at shopping for laptops the other day and one of the salespeople was trying to talk up an integrated graphics system as opposed to a discrete graphics system. He said Intel and other chip fab/designers were trying to do away with the Northbridge VS Southbridge design concepts. Now I have a degree in IS and Finance so this comment seemed a little counterintuitive to me.
The isolation of Southbridge components from Northbridge components is a logical design convention so as to separate to quick components (RAM, CPU, AGP) from the slow components (HDD, Optical, Tape, USB, etc). Why would the system designers try to integrate these divided components? It seems like a step backwards to me; even with a system on chip (SoC) like the Tegra, the components that are included in the SoC are just tightly integrated Northbridge functions, right?
I suppose its possible that designers/fabricators want “unitedbridge” type system to allow for a more uniform fabrication and programming environment. Limit the number of hardware configurations out there and program development might become an easier endeavor. Isn’t that why people are so hot on ARM/RISC development right now?
Was the salesperson just full of hot air or do I need to adjust my news feeds?