[Asterisk-Dev] Hardware details for the Digium TDM400P

[Peter Svensson]

On Wed, 22 Sep 2004, Leo Ann Boon wrote:

> Yes, but some hardware might stubbornly refuse to use those free IRQs. I 
> have one HFC ISDN card which simply must use IRQ 10, despite 5 and 3 
> being free. The on-board USB controllers will hog 3 IRQs.

For PCI the irq routing is a feature of the motherboard/bios, not the pci 
card. The pci slot has for interrupt lines, A-D. How they are connected to 
the logical irq:s of the ix86 is up to the motherboard/bios.

Many server motherboards allow manual control of the interrupt routing. 

Peter