[Qemu-devel] Re: [PATCH v2 1/6] Use IO port for qemu<->guest BIOScommunication.

[Sebastian Herbszt]

Jamie Lokier wrote:
> > What about 410?
>
> Whatever port is chosen, it should be one which common and rare
> operating systems, recent and ancient, don't "probe" to look for
> non-PNP ISA devices - unless the protocol requires a magic sequence to
> be woken (and goes back to sleep following a CPU reset).
>
> I quick Google suggests 0x410 is most commonly used by PCMCIA ethernet
> cards.  I've no idea if they are probed using that port.

Ralf Brown's "Ports List, part 2 of 3" says
"PORT 040A-043F - Intel 82378ZB embedded DMA controller".

- Sebastian