Messages in this thread |  | | From | Alistair John Strachan <> | Subject | Re: PCI riser cards and PCI irq routing, etc | Date | Wed, 21 Feb 2007 23:55:25 +0000 |
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On Wednesday 21 February 2007 22:40, Lennart Sorensen wrote: > On Wed, Feb 21, 2007 at 10:35:05PM +0100, Krzysztof Halasa wrote: > > Do you mean both slots on the riser card? No, they have to be rotated. > > > > Given the table from the manual: > > > The IRQ (interrupt request line) are hardware lines over which devices > > > can send interrupt signals to the microprocessor. The ??PCI & LAN?? IRQ > > > pins are typically connected to the PCI bus INT A# ~ INT D# pins as > > > follows: Order 1 Order 2 Order 3 Order 4 > > > PCI Slot 1 INT B# INT C# INT D# INT A# > > > IEEE1394 INT B# > > > > (I assume Order 1 is device's INT A and so on) > > the chipset-centric view is: > > Well someone said the VIA uses INTA for the DN19 on their riser card, > although is that INTA from the CPUs point of view or INTA from the slot > the riser card is plugged into? There was also mention of a BIOS update > needed on some boards to even support the riser card at all. Maybe that > applies.
It applies on the M10000, I'm sure the newer EN series boards have always supported the feature.
One warning to you though, I found the riser to be pretty flaky, causing bizarre lockups and periodic crashes of Linux. Maybe this is a Linux bug, but it really didn't seem like it.
-- Cheers, Alistair.
Final year Computer Science undergraduate. 1F2 55 South Clerk Street, Edinburgh, UK. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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