Date: Fri, 26 Nov 1999 08:50:32 -0700 (MST) From: george@WWW.TIMANDPATRICK.COM To: Micke Josefsson <mj@isy.liu.se> Cc: freebsd-questions@FreeBSD.ORG, Peter Sidow <psi@munich.sgi.com> Subject: RE: Multiple=?us-ascii?Q?_CPU=B4s?= ? Message-ID: <XFMail.991126085032.george@vagner.com> In-Reply-To: <XFMail.991126152207.mj@isy.liu.se>
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tyan 1668 dual Ppro's works great on SMP.
On 26-Nov-99 Micke Josefsson wrote:
>
> On 26-Nov-99 Peter Sidow wrote:
>> Hi,
>> I am running at home an older version ( 2.2.5 I think ) and know that
>> that version is only good for one CPU.
>> But does 3.3 support multiple cpu´s? I have a giga motherboard with two
>> I 586 and would like to use both
>> processors. I looked into the kernel configuration file from the
>> handbook but there is still no choice for selecting
>> two ore more cpu´s.
>>
>> Regards and thanks!
> First you will need at least version 3.0.
>
>
> Look into /usr/src/sys/i386/conf/GENERIC
>
> there you will find:
>
># To make an SMP kernel, the next two are needed
>#options SMP # Symmetric MultiProcessor Kernel
>#options APIC_IO # Symmetric (APIC) I/O
># Optionally these may need tweaked, (defaults shown):
>#options NCPU=2 # number of CPUs
>#options NBUS=4 # number of busses
>#options NAPIC=1 # number of IO APICs
>#options NINTR=24 # number of INTs
>
> I just uncommented the two first options and recompiled the kernel. At the
> next
> boot both processors came up.
>
> With the 'top' command you'll have an extra column indicating which CPU is
> doing what.
>
> My motherboard TYAN 1669(?) needed its BIOS updated, but all was easy after
> that.
>
> Hope it helps a bit.
> /Micke
>
>
> ----------------------------------
> Michael Josefsson, MSEE
> mj@isy.liu.se
>
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----------------------------------
E-Mail: george@vagner.com
Date: 26-Nov-99
Time: 08:49:36
Baker's First Law of Federal Geometry:
A block grant is a solid mass of money surrounded on all sides
by governors.
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