drew einhorn spake the following on 5/21/2007 10:30 AM: > Thanks, Is there a guide somewhere on how to read the cpu info. > > I do remember seeing stuff about hyperthreading on this box. > Does hyperthreading imply 64 bit. > > Here's the cpu from another box that has hyperthreading, but I > was assuming it was not 64 bit. Can I run a 64-bit kernel on this one? > processor : 0 > vendor_id : GenuineIntel > cpu family : 15 > model : 2 > model name : Intel(R) Pentium(R) 4 CPU 3.40GHz > stepping : 5 > cpu MHz : 3392.058 > cache size : 2048 KB > fdiv_bug : no > hlt_bug : no > f00f_bug : no > coma_bug : no > fpu : yes > fpu_exception : yes > cpuid level : 2 > wp : yes > flags : 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 ht tm pbe up > cid xtpr > bogomips : 6789.18 > > > On 5/21/07, Scott Silva <ssilva at sgvwater.com> > wrote: >> drew einhorn spake the following on 5/21/2007 9:45 AM: >> > Once again there's stuff I understand and more stuff I really don't >> > understand. I think the answer is: "This is not a 64-bit CPU, but I'm >> > not 100% sure. >> > >> > Interesting /proc/cpuinfo is slightly different on the hostOS for >> > VMware ESX Server, an >> > odd proprietary cousin of Red Hat, and a CentOS5 x86 VM. >> > >> > here's the info from the host OS cpu >> > >> > processor : 0 >> > vendor_id : GenuineIntel >> > cpu family : 15 >> > model : 4 >> > model name : Intel(R) Xeon(TM) MP CPU 3.16GHz >> > stepping : 1 >> > cpu MHz : 3169.453 >> > cache size : 1024 KB >> > fdiv_bug : no >> > hlt_bug : no >> > f00f_bug : no >> > coma_bug : no >> > fpu : yes >> > fpu_exception : yes >> > cpuid level : 5 >> > wp : yes >> > flags : 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 tm lm >> > bogomips : 6330.77 >> > >> > Hmm. There's two processors in there with sockets for more. But I >> > only see info for one >> > CPU. >> > >> > and heres the info from the Guest >> > >> > processor : 0 >> > vendor_id : GenuineIntel >> > cpu family : 15 >> > model : 4 >> > model name : Intel(R) Xeon(TM) MP CPU 3.16GHz >> > stepping : 8 >> > cpu MHz : 3169.074 >> > cache size : 1024 KB >> > fdiv_bug : no >> > hlt_bug : no >> > f00f_bug : no >> > coma_bug : no >> > fpu : yes >> > fpu_exception : yes >> > cpuid level : 5 >> > wp : yes >> > flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca >> > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss constant_tsc up >> > pni ds_cpl >> > bogomips : 6441.62 >> That should be a 64 bit hyperthreaded processor No, hyperthreading does not imply 64 bits, but that model Xeon is an EMT64 processor. I just happen to know because I have a couple in service. I don't think you will be able to run 64 bit guests though. You need a newer processor with the VT option. This is the most reliable method to ID an Intel processor; http://support.intel.com/support/processors/tools/piu/sb/CS-015823.htm -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!!