Fwd: Re: Tablet PC + 2.4.18 + acpi 20020726 + swsup11 working !

From: Jörg Sonnenberger <hidden>
Date: 2002-08-06 14:28:49

Am Dienstag, 6. August 2002 16:00 schrieben Sie:
Well, not all those ports are used by the original 8259A.  And the PIC 2,
is 'only' at range A0-AF, according to Ralf Brown list.  Linux extend it a
little, but I don't know why.
If I understand Intel's specs for the 8259A, this chip supports just two
 ports (one address line, 2 states). And after looking into the kernel boot
 code: Linux is touching only A0 and A1.
Interesting...

Jörg



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