Hello Realtimers
A question or two about RT PC hardware.
(1) The 82371 PCI-to-ISA bridge contains an 8254 timer/counter.
Is this the 8254 which is used in RT LInux?
(2) The 82371 also contains two 8259 PICs. Are these the same/usual
interrupt controllers or are they used in Linux and RT Linux
scheduling or are they used for another purpose?
(3) If these are the chips used for interrupt control and timing
what happens to RT Linux when or if the ISA expansion bus
goes the way of the dinosaur.
Thanks all,
Daniel
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