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And I would give exactly the opposite advice, unless you are or have a guru who can devote time to fixing all the little things which still don't work under 64 bit OSs. (Does anyone else have any clues on why 64-bit compiled coot can't calculate a map? I need to look into it, but have a huge backlog of work at the moment.) Kay Diederichs wrote: > Dear Anna, > > you didn't ask about that, but I would definitely recommend a 64bit > operating system. > > My specific recommendations are mostly in the articles > "Computer_hardware" and "CentOS", to be found under the more general > topic "Xtal_computing" of the CCP4 wiki > (<http://strucbio.biologie.uni-konstanz.de/ccp4wiki/index.php/Xtal_computing>) > > > HTH, > > Kay > > Anna S Gardberg schrieb: >> Dear list, >> I haven't seen the "crystallographic computing platform" thread come >> up for a while, and I've got a chance to upgrade my desktop to a >> workstation, so I thought I'd ask the CCP4BB for advice on: >> >> 1. Mac vs. Linux (which flavor?) vs. Windows >> 2. Graphics cards >> 3. Displays >> 4. Processors - multiple processors, multiple cores? Speed? >> >> About half of what I do involves ~1.0 A X-ray structures - data >> processing, rebuilding in Coot, refinement, and so forth - so my >> current desktop (Optiplex GX745, Radeon X1300) machine drags on >> graphics sometimes. I don't seem to need stereo these days, for what >> it's worth. >> >> Anybody have suggestions or specs they'd like to share? Thanks in >> anticipation of your advice. >> >> Regards, >> Anna Gardberg > >