Messages in this thread | | | Subject | Re: 4GB memory and Intel Dual-Core system | From | Marcel Holtmann <> | Date | Sat, 29 Oct 2005 13:15:24 +0200 |
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Hi Dave,
> > I have system with 2 Pentium 4 Xeon EM64T processors using 4GB of RAM. > > > > Kernel is 2.6.13.4 compiled for x86_64 architecture. > > > > Btw, /proc/cpuinfo reports, that only 36 bits are availalable for physical > > memory. Not 40. > > That should be fixed in 2.6.14
is this only true for the Xeon series or should it be 40 bits for every EM64T capable CPU from Intel? I ask, because mine still shows 36 bits with the latest vanilla from today.
processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Pentium(R) D CPU 2.80GHz stepping : 4 cpu MHz : 2800.229 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 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 ht tm syscall lm constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 5609.23 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management:
Regards
Marcel
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