On Tue August 26 2008 10:52:21 am Roger Heflin wrote: > Don't count on that, the 4GB thing is a very very rough and > often wrong *SIMPLE* rule. > > Just because a machine has under 4GB of ram does not mean that > the PAE kernel won't give you more memory. The bios *CAN* > (some do, some don't) remap something that is covered by a > video card, or otherwise reserved for something to above 4GB > requiring a PAE kernel to use it. And this can start > happening at around 3GB of ram or more, the only way to know > if PAE is correct for a given setup is to either know exactly > what the bios is doing or to test it. > > It all depends on exactly what the bios is doing, he would > need to boot a PAE and a non-PAE kernel and check how much > memory is being seen by each, if they are the same or really > close (within 100MB) I would avoid the PAE kernel. Interesting... I'll make this a keeper and test soon. I build most of my machines with 4GB of ram now, but that's in Windows land at work - they tend to filter my way as older ones are superceded or retired - my current Linux machines all top out at 3GB -- Claude Jones Levit & James, Inc. Leesburg, VA 703-771-1549 -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
