Date: Fri, 25 Feb 2005 12:03:56 -0800 From: Mike Hunter <mhunter@ack.Berkeley.EDU> To: freebsd-amd64@freebsd.org Subject: Re: AMD64 on Xenon ? Message-ID: <20050225200356.GA29206@ack.Berkeley.EDU> In-Reply-To: <20050225194311.GH1168@manor.msen.com> References: <20050225194311.GH1168@manor.msen.com>
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On Feb 25, "Michael R. Wayne" wrote: > I just powered up a dual Xenon system from one of our suppliers. > It is acting a bit odd, Eventaully, I realized: > > CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2800.11-MHz K8-class CPU) > Origin = "GenuineIntel" Id = 0xf34 Stepping = 4 > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT > ,TM,PBE> > Features2=0x441d<SSE3,RSVD2>,MON,DS_CPL,CNTX-ID,<b14>> > AMD Features=0x20000800<SYSCALL,LM> > Hyperthreading: 2 logical CPUs > > But note the last word on uname -a: > FreeBSD test.x.com 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Fri Nov 5 03:50:01 UTC 2004 root@fanboy.samsco.home:/usr/obj/usr/src/sys/GENERIC amd64 > > So, why would this run at all? I was planning on reinstalling > anyway so it's not a huge deal but it seems pretty odd... The "amd64" architecture should work just fine on Intel EM64 systems. EM64 is intel's codename for their knock-off implementation of AMD's 64 bit x86 extensions. Mike
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