Messages in this thread | | | From | (Alan Cox) | Subject | Re: Ideas for abstracting driver IO from bus implementation? | Date | Thu, 18 Mar 1999 17:11:30 +0000 (GMT) |
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> > The OS does it. > > I take it that this is not true of buses that the CPU can't see, and that the > I2O controller looks after those.
Yes
> > The CPU->I2O controller interface is defined right now for PCI. The I2O > > controller can itself control anything the hardware allows it to on the > > busses. Indeed I2O would work over ISA 8) it would just suck a lot that way. > > I'm not sure, but I think you may have misunderstood what I meant... Can the > I2O controller configure and control ISA devices, such as a PnP SCSI card.
In theory. I'm not aware of any I2O devices controlling anything but PCI and hotswap PCI
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