[plug] maximum RAM linux can cope with

David Buddrige dbuddrige at bigpond.com
Mon May 7 22:30:55 WST 2007


Hi all,

I am currently helping a friend spec out a computer which is to be used
for creating video productions.  The plan is to run a Linux based system
utilising the various Free/OSS tools available for this task.  Given the
task at hand, we are spec-ing it out with as much RAM, the best CPU,
video-card and sound-card we can afford.  A question came up as to how
much RAM is Linux capable of using [also whether it is capable of fully
utilising quad-core CPU's.  We could for example stick 6 GB of RAM into
this machine [the motherboard we're looking at has slots to allow for
this] but I am not able to say at the moment [for certain] whether Linux
is capable of using this much RAM - particularly using a bog-standard
distro.  If we were to load it up with the latest fedora, would [fedora]
be capable of making use of 6GB RAM?  Also, if we put in a CORE 2 Quad Q
6600 [as per http://www.ple.com.au/?p=extremeint ] would it be able to
use all 4 cores [I'm not up-to-speed with whether a quad core system
actually comprises 4 cpu's or a single cpu with 4 internal processing
units or something].

I've done a bit of a google on this but while it seems there are at
least configurations out there that can utilise as much as 64GB of RAM,
I don't know if you have to do some special configuration to allow linux
to utilise this kind of hardware, or whether a bog-standard distro will
recognise and use it?

thanks heaps guys,

David.
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