Messages in this thread | | | Date | Fri, 4 Jan 2002 20:45:08 +0100 | From | Vojtech Pavlik <> | Subject | Re: ISA slot detection on PCI systems? |
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On Fri, Jan 04, 2002 at 08:36:06PM +0100, Maciej W. Rozycki wrote: > On Fri, 4 Jan 2002, Vojtech Pavlik wrote: > > > 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. > > A false positive is less painful than a false negative. Then if a system > has a PCI-ISA bridge, it's surely for purpose there (otherwise what is the > justification for the additional cost of unused silicon?). Maybe for an > on-board ISA serial or parallel port or an ISA floppy controller...
Because it's much cheaper to buy an off-the-shelf southbridge, even if you're not going to use the ISA bus for any devices if you're making an ISA-less mainboard, than trying to find or even design one without an ISA bridge in it.
I recall people using the vt82c686a's with StrongARM CPUs even ...
-- 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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