I, for one, am always pleased to see these sort of in-depth explanations
of these sort of shims.

On Tue, Nov 11, 2003 at 11:35:26AM -0500 I heard the voice of
John Baldwin, and lo! it spake thus:
> 
> It's documented in /sys/i386/conf/NOTES now along with 'device apic'.  For
> a longer explanation of what is happening:
>
[...]
> 
> So, by default, to work around motherboards that don't hook IRQ 0
> up to the I/O APIC, we route IRQ 0 through the the 8259A PICs.
>
[...]
>  
> However, if NO_MIXED_MODE works, that is actually the more desirable
> way to run your system.

How common is the need for this?  Does turning of mixed mode when it's
not needed give any real advantages higher up?


-- 
Matthew Fuller     (MF4839)   |  [EMAIL PROTECTED]
Systems/Network Administrator |  http://www.over-yonder.net/~fullermd/

"The only reason I'm burning my candle at both ends, is because I
      haven't figured out how to light the middle yet"
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