Adrian Cox adrian at
Fri Nov 30 09:21:23 EST 2001

mod+linuxppc-dev at wrote:

> Not to quibble with your painfully accurate
> description of the VT82C686B, but might it be
> possible (using the IDE Interrupt Routing register
> at offset 0x4a in function 1) to arrange for both
> channels to use the same interrupt routing?
> Like force both to IRQ14?  Just a thought...

Tried that on my 686A board. As far as I can tell that register does
nothing at all, and the physical wiring on the board is the only thing
that influences the interrupts. I think that register may  be useful on
an i386 with IO-APIC, but I'm not sure.

Adrian Cox

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