[EdLUG] How to tell if a computer is 32 bit or 64 bit

[Edinburgh Linux Users Group]

Googling further, I found a C-net summary of the machine that I am using,
and it says 64 bit computing, yes.  So I think I am going to live
dangerously and try to install the 64 bit version.  Thanks!

http://www.cnet.com/products/hp-elitebook-6930p-14-1-core-2-duo-p8600-vista-business-32-64-bits-xp-professional-downgrade-2-gb-ram-250-gb-hdd/specs/

On Sat, Jul 30, 2016 at 11:39 AM, Edinburgh Linux Users Group <
edlug at lists.edlug.org.uk> wrote:

> Hi Roy,
>
> I ran this command:
>
> $ cat /proc/cpuinfo > /home/cje/Documents/cpuinfo01.txt
>
> And got a fairly extensive output.  I have edited it below.  The word
> flags appeared 2x, and here are those lines, not sure what they show,
> although I do see the number 64, but 64 what?
>
> ==========
> 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 nx lm constant_tsc
> arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2
> ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm ida dtherm tpr_shadow vnmi
> flexpriority
>
> 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 nx lm constant_tsc
> arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2
> ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm ida dtherm tpr_shadow vnmi
> flexpriority
> ==================
>
> The other interesting thing is the following, which I am not sure is
> evidence of 32 bit or 64 bit.  It would appear to me to be 64 bit:
>
> ==============================
> <snip>
> clflush size : 64
> cache_alignment : 64
> address sizes : 36 bits physical, 48 bits virtual
> ===================
>
> Thanks everyone for your help!
>
>
>
>
>
>
> On Fri, Jul 29, 2016 at 11:08 AM, Edinburgh Linux Users Group <
> edlug at lists.edlug.org.uk> wrote:
>
>> On 2016.07.29 07:26, Edinburgh Linux Users Group wrote:
>> > Hi,
>> >
>> > I was just given a notebook and am trying to tell if it is 32 bit or
>> > 64 bit.
>> [snip]
>> > --
>> > Christian Einfeldt
>> >
>>
>> ------quoted attachment------
>> > _______________________________________________
>> > EdLUG mailing list
>> > EdLUG at lists.edlug.org.uk
>> > https://lists.edlug.org.uk/mailman/listinfo/edlug
>> >
>>
>> Christian,
>>
>> Boot a random linux and inspect the FLAGS line in /proc/cpuinfo
>> for the lm flag .Its a very long line and will wrap. Here's a small
>> section ot mine, showing the lm flag.
>> ... fxsr_opt pdpe1gb rdtscp lm 3dnowext ...
>>
>> Regards,
>>
>> Roy Bamford.
>> _______________________________________________
>> EdLUG mailing list
>> EdLUG at lists.edlug.org.uk
>> https://lists.edlug.org.uk/mailman/listinfo/edlug
>>
>
>
>
> --
> Christian Einfeldt
>
> _______________________________________________
> EdLUG mailing list
> EdLUG at lists.edlug.org.uk
> https://lists.edlug.org.uk/mailman/listinfo/edlug
>
>


-- 
Christian Einfeldt
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