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Current I use i686, how to know - can I install x86-64 on my hardware or not?
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Post the output of 'cat /proc/cpuinfo'.
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processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.06GHz
stepping : 9
cpu MHz : 3066.633
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
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 ht tm pbe lm constant_tsc pebs bts pni dtes64 monitor ds_cpl tm2 cid cx16 xtpr lahf_lm
bogomips : 6135.81
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.06GHz
stepping : 9
cpu MHz : 3066.633
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 1
initial apicid : 1
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 ht tm pbe lm constant_tsc pebs bts pni dtes64 monitor ds_cpl tm2 cid cx16 xtpr lahf_lm
bogomips : 6135.59
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
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Should work (afaik it's the lm flag). Just download the x86_64 iso; if it boots you are fine.
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I see only one such a processor (based on cpu speed, number of cores / threads and cache): http://ark.intel.com/products/27462/Int … 3-MHz-FSB) - it uses 64-bit instruction set so go ahead and install the 64-bit version :-)
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The lm flag in the output clearly says you can install.
Last edited by shadyabhi (2011-08-10 10:58:34)
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Why does lm mean that you can install x86_64?
I thought the CPU itself had to be 64 bit. Doesn't he have a 32 bit?
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Why does lm mean that you can install x86_64?
I thought the CPU itself had to be 64 bit. Doesn't he have a 32 bit?
'lm' means long mode. What do you mean "he has a 32 bit"? Where did you get it from?
http://www.theunixzone.com/2009/06/13/d … -or-64bit/
Last edited by karol (2011-08-10 12:53:11)
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lm = long mode. Try google to find out what it means in terms of cpu architecture.
There's no such thing as a stupid question, but there sure are a lot of inquisitive idiots !
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Line 54 of /usr/lib/syslinux/com32/include/cpufeature.h says it means x86_64
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