Messages in this thread | | | Date | Fri, 4 Jan 2002 20:04:10 +0100 | From | Vojtech Pavlik <> | Subject | Re: ISA slot detection on PCI systems? |
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On Fri, Jan 04, 2002 at 07:28:58PM +0100, Maciej W. Rozycki wrote:
> > > Thats why I also suggested using lspci and looking for an ISA bridge. > > > If you have no PCI its probably ISA. If you have no PCI/ISA bridge its > > > very very unlikely to be ISA > > > > Uh, no. Almost all 486 PCI boards and early Pentium/K5/K6 boards have > > the PCI bus hanging of the VLB or other local bus, and on those ISA > > isn't behind an ISA bridge. These chipsets do have ISA but no ISA > > bridge. > > These can be checked for explicitly as the list isn't likely to grow. I > can dig a few Intel docs for IDs of 486-class PCI chipsets that have no > PCI-ISA bridge if they'd be useful. > > Also note that there are PCI-ISA bridges that are reported as "non-VGA > unclassified" devices as they predate PCI 2.0. The SIO (82378IB/ZB) comes > to mind here. The bridge is used in certain models of Alpha systems as > well. The bridges would need to be listed by IDs, too.
And of course, there will be a huge amount of false positives, because all the new chipsets have an ISA bridge built into the southbridge chip and it is there even when no ISA slots are present.
-- Vojtech Pavlik SuSE Labs - 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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