[SciPy-dev] WOT: Experiences running 64 bit Vista on a 32 bit machine

David Goldsmith d.l.goldsmith@gmail....
Fri Feb 5 03:23:27 CST 2010


On Thu, Feb 4, 2010 at 11:15 PM, David Cournapeau <david@silveregg.co.jp>wrote:

> David Goldsmith wrote:
> > Please forgive the widely OT request for input: I'm thinking about
> > trying to run 64 bit Vista on my 32 bit machine (Pentium Dual-Core T4300
> > @ 2x2.10Ghz); following
> >
> http://windows.microsoft.com/en-US/windows-vista/32-bit-and-64-bit-Windows-frequently-asked-questions#How-do-I-tell.
> ..
> > I've confirmed that I'm "64 bit capable."  Has anyone reading this far
> > ;-) had a particularly positive/negative experience doing this?  Also,
> > how do I determine the 64 bit linux capability of my hardware?
>
> If windows 64 runs, linux 64 will as well; as far as OS are concerned,
> 64 bits mode is like a new architecture (like ppc vs intel). When the PC
> starts, the kernel of whatever OS you are running will refuse to run if
> it is 64 bits and you run on a 32 bits machine. The details are OS/Boot
> loader dependent, but most installers will refuse to install a 64 bits
> installers on a 32bits-only machine anyway. You can also run a 64 bits
> VM inside a 32 bits, assuming your CPU is 64 bits capable (so you can
> run 64 bits Ubuntu in vmware on top of 32 bits Ubuntu for example).
>
> I strongly suggest using windows 7 instead of Vista if you can.
>

OK, thank you very much for the input.  Do you have first-hand experience w/
that vmware configuration?  My main issue of concern, IIRC the responses to
a post I made about a year-and-a-half ago, is a single object being able to
address more than 4GB of memory...  Thanks again,

DG


>
> cheers,
>
> David
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