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On Fri, 12 Jun 2009, Rob Beard wrote: > Gordon Henderson wrote: >> A moden Linux kernel (2.6) can support up to 64GB of RAM on a 32-bit >> platform. >> > I wonder how long it'll be before we start to see desktop boards that > support that much. By my calculations my latest motherboards can > support about 16GB assuming I stick in 4GB dimms, can't think what I'd > need that much memory for though. Some 3ish years back I did install some boards with 32GB of RAM in them. Not quite desktops though - quad opteron boxes running ome custom chip layout/simulaion software. They had huge data sets. Not quite desktop though! >> A single application can only ever see 3GB of that RAM though. Need to >> move to a 64-bit processor to see more. >> >> I'm sure you can create ramdisks bigger than 4GB in such a system though, >> and run many copies of big programs >> >> > That's probably not a bad idea that, cache things like OpenOffice and > Firefox in a ram disk and then run them from that. Maybe that'll > increase the startup speed of OpenOffice a bit (although saying that, I > installed Ubuntu on a P4 2.4GHz with 640MB Ram today and even with a > lowish amount of memory it was still surprisingly snappy starting up > OpenOffice). It's quick enough on the Acer with a 1.6GHz processor. Of-course vi and latex is even faster... Gordon -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html