On Mon, Mar 9, 2009 at 8:43 AM, Chris Louden <[email protected]> wrote: > On Mon, Mar 9, 2009 at 4:30 AM, Rich <[email protected]> wrote: >> I've got a system that supports up to 4G of ram, but says it has >> 33bit(?) addressing so will see 8G of memory: >> >> The NVIDIA® MCP73V is a single-chip with proven reliability and performance. >> • Supports 33-bit addressing for access to 8 GB of system memory >> >> Does this mean that I can somehow actually use the 4G of ram and the >> other ports, etc. will be mapped to somewhere above 4G and less than >> 8G? > > Well that is application/OS specific. > >> >> Would I have to use the 64bit OS, or can I use the 32bit OS with the >> mods (that I can't remember the name of) that Gus mentioned in > > 64 would be preferred and considerably easier. to do this with 32 bit > you would need to compile a kernel with PAE enabled. Not really that > difficult but a project in an of itself. Running 64 would be so much > easier. As well as getting access to the additional RAM you also get > full use of the Processor, something that 32 bit distros won't do. > Running 32 bit distro on a 64 bit processor to me is like having a V8 > and only running it on 4 cylinders. > > That being said, the benefits of having 4 or 8 GB of RAM will not > necessarily be that dramatic to all users. If you don't have an > application that makes use of that additional RAM there is not much > benefit to you. However in general your multitasking between apps > should be improved considerably. > > I run a Lenovo T61. 2.5GHz Core 2 duo and 4 GB RAM Intel graphics. > Everything works out of the box with Linux. Suspend, etc.. I've pretty > much ran a 64 bit distro since I got it. No complaints. I dock it with > dual 1600x1200 monitors without issue. I did try a 32 bit, it was a > horrible experience. I noticed the performance decrease when I used > it.
Thanks. I've heard there are/may be driver issues, or other compatibility issues with the 64bit, at least with Ubuntu which I'll be using. Any thoughts on that? -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-newbie
