DragonFly users List (threaded) for 2005-04
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Re: boot loader question
On Tue, Apr 05, 2005 at 05:22:49AM +0800, Bill Hacker wrote:
> IBM chose the '8 *plus* 8 -1' route, joining the IRQ 2 and IRQ 9 pins
> together, and leaving us with a miserable few
> IRQ's (several being hard-wired to the system). No one would ever need
> any more IRQ's, right?
Actually you can't use more than 4+X IRQs on any PCI system, with X
being the number of SMP or timer interrupts, simple because PCI doesn't
allow more interrupts.
Joerg
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