IRQS on 6 Slot Macs

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Nov 4 14:16:59 EST 2003


> Sure, but it's indeed totally not understandable why they didn't use the
> other lines on GrandCentral, since the 9500/9600 design includes six PCI
> slots with each a dedicated IRQ line. Weird...

Probably because updating Apple's 1.0.5 OF code to assign them properly
with the P2P setup was beyond their ability to deal with crappy code :)

Ben.


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