[WEB4LIB] Re: scanner

jlenze at tln.lib.mi.us jlenze at tln.lib.mi.us
Fri Jun 4 12:58:18 EDT 1999


On Wed, 2 Jun 1999, Thomas Edelblute wrote:

> I am currious, how do you handle IRQs with USBs.  Recently I have seen a USB
> mouse, and the mouse is IRQ 12, and a technician told me that a year or two from
> now everything will be USB because they are cheaper to make.  This leaves me
> wondering that if all periferals are going to plug into USB connections, how are
> they going to handle the IRQs.

That's the beauty of USB!  As I understand it, IRQs are pretty much
irrelevant with USB.  In theory you can attach 127 USB peripherals to your
machine, and run them simultaneously, even though you have no where near
that number of IRQs.  For more detailed technical info on USB see:

http://www.usb.org/

-- 
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   |     "It was a BUG, Dave."                                | 
   |          HAL9000  http://www.apple.com/                  |
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   |   James B. Lenze           jlenze at garden-city.lib.mi.us  |
   |   Garden City Public Library                             |
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