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Date: Tue, 19 Apr 2005 11:59:53 -0600
From: Scott Long <scottl@samsco.org>
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cc: "O. Hartmann" <ohartman@mail.uni-mainz.de>
cc: freebsd-amd64@freebsd.org
Subject: Re: Recommendations?
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David O'Brien wrote:
> On Sat, Apr 16, 2005 at 01:03:31PM +0200, O. Hartmann wrote:
> 
>>I have ASUS A8N-SLI Deluxe mobo. BIOS revision is 1006. I have no 
>>problems with
>>ACPI. APIC works with NO_MIXED_MODE commented out in kernel.
> 
> 
> Disable the NO_MIXED_MODE option is a performance degradation.
> Bending over and taking it up the a** across all motherboards (which DES
> has forced on 5.4-RELEASE); makes the ASUS A8N-SLI Deluxe not "perfectly
> working".
> 

According to the APIC maintainer, and according to some quick benchmarks 
myself, mixed mode has almost no performance impact.

Scott