From owner-freebsd-amd64@FreeBSD.ORG  Wed Nov  9 20:16:05 2005
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From: Sean McNeil <sean@mcneil.com>
To: barry.boes@annowa.com
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Organization: Sean McNeil Consulting, Inc
Date: Wed, 09 Nov 2005 12:16:04 -0800
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Cc: freebsd-amd64@freebsd.org
Subject: Re: Athlon X2?
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On Wed, 2005-11-09 at 14:13 -0600, Barry Boes wrote:
> Hello, I have an Athlon 3800+ X2 on an Abit AV8 mainboard and am
> having trouble seeing the second CPU.  I'm new to AMD64, so please
> bear with me... 
> 
> I've tried both the generic and SMP kernel with the same results.  Is
> there anything special I need to do to get the OS to recognize the
> second CPU?
> 							Thanks,
> 							Barry
> 
> 
> Nov  9 10:29:21 bravo kernel: FreeBSD 6.0-RELEASE #0: Wed Nov  9 15:56:22 UTC 2005
> Nov  9 10:29:21 bravo kernel: root@:/usr/src/sys/amd64/compile/bravo
> Nov  9 10:29:21 bravo kernel: Timecounter "i8254" frequency 1193182 Hz quality 0
> Nov  9 10:29:21 bravo kernel: CPU: AMD Hammer Family processor - Model Unknown (2004.56-MHz K8-class CPU)
> Nov  9 10:29:21 bravo kernel: Origin = "AuthenticAMD"  Id = 0x20fb1  Stepping = 1
> Nov  9 10:29:21 bravo kernel: Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
> Nov  9 10:29:21 bravo kernel: Features2=0x1<SSE3>   
> Nov  9 10:29:21 bravo kernel: AMD Features=0xe2500800<SYSCALL,NX,MMX+,<b25>,LM,3DNow+,3DNow>
> Nov  9 10:29:21 bravo kernel: real memory  = 536805376 (511 MB)
> Nov  9 10:29:21 bravo kernel: avail memory = 506327040 (482 MB)
> Nov  9 10:29:21 bravo kernel: ACPI APIC Table: <VIAK8T AWRDACPI>

You need to check the motherboard manufacturers web site for support of
X2 in the BIOS.  Gigabyte is extremely helpful in this regard and lists
each version of BIOS required to support the various CPUs.

HTH,
Sean