Carotinho wrote: > Hi! > > Alle 00:15, martedì 11 aprile 2006, Thomas Ilnseher ha scritto: > >>> But do I have to run a 64bit distro on a system running at 64bit? >>> I'm too trying to save money for buying a new system:) >>> >> no, x64 cpus run 32bit oses just perfectly. else noone would buy an x64 >> processor, >> cause most people run combined 16/32 bit oses (windows). >> >> but if you run a 32bit distro, then you can not execute any 64bit code, >> even if >> your processor is x64 capable. >> >> a 64 bit kernel OTOH can run 32bit apps, but you need a full set of >> 32bit libraries (multilib). >> > > As far as I know, you can switch the processor between 32 and 64 bit. The > question now is: if I run it at 64bit, can I run a 32bit distro, eg > Slackware, maybe with a 64bit kernel? > a) you can run a 32bit distro w/ a 32bit kernel just fine. b) you can run a 32bit distro w/ a 64bit kernel with the following limitation: all kernel modules need to be 64 bit, of course. but afaik, nvidias 32bit xorg-driver can't talk to nvidias 64bit kernel module. this means you need at least a 64bit xorg, and everything that's required for a 64bit xorg. 32bit apps can connect to the 64bit xorg. of course you can use an open-source driver, which does not rely kernel stuff. but i don't see any advantage in having a 32bit distro, and an 64bit kernel. > Thanks! > > Carotinho > > > > > > ___________________________________ > Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB > http://mail.yahoo.it > > >