> In any case, my machine does not have an ISA bus. Why should it? It's
> a laptop!
Yes it does. The branding spec said "No ISA bus" so it was renamed "LPC"
and hidden internally, but its alive and well.
> has already serviced the bus and delivered data! Why put many
> microseconds into the bus, locking out other ISA transactions (and PCI
> maybe too) with an out to port 80?
Historically processors didn't have a high precision time source so it
was the normal way to do it on all PC operating systems
> Some of the code in linux is really nice, really clean, really
> well-thought out. Some is ... well, I'm not trolling for a fight.
Like all things, it doesn't always age well 8)
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