Text 2189, 30 rader
Skriven 2011-08-09 10:39:25 av Jonathan de Boyne Pollard
Ärende: Re: Enabling SMP
========================
Thunderbird/5.0
comp.os.os2.misc,comp.os.os2.apps,comp.os.os2.setup.misc,comp.sys.ibm.pc.hardware.chips

UTC)
comp.os.os2.setup.misc:572 comp.sys.ibm.pc.hardware.chips:1313
From: Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM>

>> My machine is NOT configured to support ACPI, however, setting my
>> BIOS to ACPI enabled and using MPS map 1.4 seems to produce an
>> otherwise pretty darn stable system. [...]
>
> So you have ACPI disabled even though having it enabled is more stable?

The last time around, M. Piatkowski said APIC, not ACPI.  I pointed out 
then that xe shouldn't be mixing up xyr initialisms.  Disabling the 
Advanced Configuration and Power Interface is a very different kettle of 
fish to disabling any use of Advanced Programmable Interrupt 
Controllers.  It's actually the latter that M. Piatkowski is doing.

In an AMIBIOS machine, the setting that M. Piatkowski was talking about 
earlier is named "ACPI APIC Support" and it deals with APICs.  In 
AWARD-Phoenix firmwares, the equivalent setting is named "APIC Mode". 
It almost goes without saying that if one disables the use of APICs 
entirely, by setting APIC mode to "disabled", then I/O APICs are as a 
consequence unavailable.  If all local APICs are switched off during 
POST (as essentially all that this setting has to do), then whatever I/O 
APICs may do is entirely irrelevant: there is no-one listening to them.

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