Date: Sat, 16 Nov 1996 23:42:50 +1100 From: Bruce Evans <bde@zeta.org.au> To: mrcpu@cdsnet.net, se@FreeBSD.org Cc: hackers@FreeBSD.org Subject: Re: IRQ sharing on PCI? Message-ID: <199611161242.XAA17993@godzilla.zeta.org.au>
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>> None of my other Pentiums do it, they all get different IRQ's. > >This depends on the PCI BIOS, which is free >to assign any IRQ to any PCI Int line. >PCI requires shared interrupts to work, since >there are far less real interrupt request >inputs in a typical system, than independent >PCI Int lines. Doesn't a typical system have only 3 or 4 PCI slots and many more than 3 or 4 IRQs, so it is hard to run out of IRQs? Mine has 3 PCI slots, all full (:-(), and they get assigned irqs 10, 11 and 12 (one wasted for vga0). Bruce
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