Messages in this thread | | | Subject | Re: PCI riser cards and PCI irq routing, etc | From | Krzysztof Halasa <> | Date | Fri, 23 Feb 2007 19:12:24 +0100 |
| |
Udo van den Heuvel <udovdh@xs4all.nl> writes:
> I will try a different case with a different dual PCI riser card soon. > This Morex riser has DN20-31 or so, so more options.
OTOH I wonder how do they use DN 21-31? The board uses lines AD11 to AD31 (21 lines) for selecting devices #0 - #20. 32-bit PCI bus has only 32 address/data lines :-)
Perhaps they mean AD20-AD31 lines = device #9 - #0x14=20? If that is the case, you can try: - their "DN30" = device 0x13 = 19, which is apparently what the VIA riser card does, - their "DN21" = device 0xA = 10, which could work as well.
I'm afraid both would require (different) soldering.
It's possible that the riser card includes a bridge, though. A bridge chip can select devices differently and thus it can handle 32 devices. -- Krzysztof Halasa - 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/
| |