I believe every Opteron / Athlon 64 / Sempron 64 has an IOAPIC correct? --tim
On 4/14/06, Jeff Garzik <[EMAIL PROTECTED]> wrote: > Jack Carroll wrote: > > On Fri, Apr 14, 2006 at 04:18:17PM -0400, Jeff Garzik wrote: > >> Jack Carroll wrote: > >>> Device server? How about a motherboard that breaks the 16-interrupt > >>> limit of the classic PC? It could use multi-level vectored interrupts, > >>> like > >> This limit is already long gone. Please read up on PCI Message > >> Signalled Interrupts (MSI) and PCI MSI-X. > >> > >> > >>> the 68000 on VME bus, which gives practially unlimited interrupts. Then > >>> it > >>> could have a whole lot of PCI slots, and the resources to actually use > >>> them > >>> in an I/O-heavy application. > >>> Of course, MS wouldn't support all those I/O slots, but do we care? > >> The standard code in Linux, and very likely Windows, already supports > >> this sort of thing. > >> > >> Jeff > > > > > > ???? > > How do I tell Linux 2.6.15 to assign three PCI Ethernet boards to > > interrupts 16, 17, and 18, leaving 5, 9, 10, 11, and 12 free for the ISA > > boards? > > I've used the phrase "modern PC" at least once. Modern PCs do not have > ISA slots, do have IOAPICs, and do support PCI MSI in some form. > > > > According to "Upgrading & Repairing PCs", 14th edition, page 329, > > "For the PCI bus to function in a PC, the PCI interrupts must be mapped to > > ISA interrupts." And on page 327, it shows that there are only 16 ISA > > I recommend buying the MindShare PCI book. > > Jeff > > > > _______________________________________________ > Open-graphics mailing list > [email protected] > http://lists.duskglow.com/mailman/listinfo/open-graphics > List service provided by Duskglow Consulting, LLC (www.duskglow.com) > _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
