Re: I/O port on HP200LX

[Blaz Antonic]

> > > Under Linux, the PIC is shown as using ports 0x20-0x3f, so it's definitly
> > > part of the PIC.
> >
> > Actually it's not. Ports 0x22 and 0x23 are used on many chipsets (mostly
> > non-intel chipsets, cyrix/AMD processors settings and stuff like that)
> > and do not belong to PIC.
> 
> So why does Linux reserve this entire block?

Beats me. (1st) 8254 uses only ports 0x20 and 0x21.

                                                        bye, Ab