Herbert Graf ha scritto:
>> By the way, to Olin et al.: when you say "saturate the bandwitdth i.e. 
>> with an audio device", youo mean *that* controller - that is, if the PC 
>> has 3-4 controllers (that I guess to match the USB couples of ports you 
>> find on the mainboards), one can be overloaded but the others not?
> 
> He means each discrete bus. On pretty much all PCs, almost every USB
> port is a discrete bus. That said, you do have to sometimes be careful.

ok


> Case in point:
> 
> many PCs have "media reader" drives at the front (usually an assortment
> of flash interfaces: SD, CF, MS, etc) that also supply a few USB ports.
> Many of these only connect to the motherboard with a single USB cable,
> so although you have a USB port or two, they are actually sharing the
> bandwidth with each other, along with the media reader slots.


yeah I know
thanks Herbert

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