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Date:      Thu, 14 Nov 2002 14:41:52 -0600
From:      Larry Rosenman <ler@lerctr.org>
To:        Steve Wingate <steve@velosystems.net>, Will Froning <wfroning@uop.edu>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Xeons and Max # of CPUs supported
Message-ID:  <203950000.1037306512@lerlaptop.iadfw.net>
In-Reply-To: <20021114123031.R4282-100000@daemon.velosystems.net>
References:   <20021114123031.R4282-100000@daemon.velosystems.net>

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--On Thursday, November 14, 2002 12:32:33 -0800 Steve Wingate 
<steve@velosystems.net> wrote:

> On Thu, 14 Nov 2002, Will Froning wrote:
>
>> I have a dual Xeon box with 4.7-stable installed (new 2.8GHz Xeons that
>> is). When I compiled in SMP it only came up recognizing 2 CPUs instead
>> of the 4 I was hoping for.
>>
>> Does FreeBSD not support the Hyper-Threading or is it that FreeBSD only
>> supports 2 procs?  And if it does support Hyper-Threading, is the second
>> CPU recognized as the hardware CPU or the Hyper-Threaded one?
>>
>> Thanks,
>> Will
>>
>> P.S. please cc me on the reply.
>>
>> --
>> Will Froning
>> Unix Sys. Admin.
>> (209)649-0098
>> wfroning@uop.edu
>>
>> To Unsubscribe: send mail to majordomo@FreeBSD.org
>> with "unsubscribe freebsd-questions" in the body of the message
>>
>
> FreeBSD does not support hyperthreading and likely won't until Intel
> coughs up some documentation. Dmesg will report the physical processors
> only.
> Yes, I do have dual Xeons also.
>
What more documentation do you need than is in the 4 volume IA-32 set?

I got the set from the Intel developer site, and it cost me $0.00.

It has all the details on the HTT stuff.


>
> +---------------------------------------------------------------------+
>| Steve Wingate		<s.wingate@cox.net>
>| MCSE, CCNA		Thu Nov 14 11:59:00 PST 2002
> +---------------------------------------------------------------------+
>| FreeBSD 4.7-STABLE
>| 11:59AM  up  4:27, 0 users, load averages: 0.19, 0.06, 0.02
> +---------------------------------------------------------------------+
>
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-questions" in the body of the message
>



-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749




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