[Techtalk] Who Knows IRQ

mc mcgonzalez at att.net
Tue Aug 20 11:41:51 EST 2002

On Tue, 2002-08-20 at 11:02, Erin Raasch wrote:

> Though IRQ sharing is possible with modern machines, it is not necessarily desirable. 
> There is definitely a potential for conflicts when more than one device use the same IRQ.
> Even if it's not immediately evident, it may well cause performance issues in very demanding apps.
> E.g., in high-end gaming, having the sound and video on the same IRQ has the potential 
> to cause problems ranging from jerkiness and slow play at one end to hangs and crashes at the other end.
> Sharing an IRQ between USB and ethernet probably won't hurt, but I'd definitely want my multimedia devices
> on separate IRQs.
> Erin

That makes sense.  I am not a gamer, so I haven't run into a problem
like this. :)

I haven't lost my mind,
It is backed up on disk somewhere.

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