USB On-the-Go Go Go Go · Slashdot Mirror

Posted by Hemos on Tuesday October 1, 2002 @04:13AM from the swap-those-files-biznatch dept.

abhikhurana writes " There is an interesting article on CNET about a new USB standard called USB On-the-Go. Apparently this new technology is an offshoot of USB2 and it can remove the limitation of the master slave operation of normal USB devices, where you need a Host PC (the Master) to talk with the peripherals (the slaves). So using this, theoretically you can print using your digital camera directly on your printer or maybe connect two PDAs together to exchange some files. One thing that the article doesn't mention though is the speed one can expect from such a connection. If its as fast as USB2 then I think it can also act as the replacement for NICs for interconnecting two PCs. But considering that many wireless technologies like bluetooth offer similar opertational capabilities,albeit they are much slower, can USB On-the-Go really be a success? "

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Re:Strange by Yohahn · 2002-10-01 04:52 · Score: 3, Interesting

The USB PCI controler cards can directly access memory, like many other PCI cards
The PCI interface in practice (not theory) is a bottle neck here. USB2/Firewire on the motherboard chipset is always going to be faster than on the PCI bus.

Where did the USB is processor bound rumor come from?

If I'm wrong, will somebody please supply a source so I can correct myself?