Memory >3.5GB not used?

Bill Moran wmoran at
Tue Apr 24 18:05:35 UTC 2007

In response to "Don O'Neil" <lists at>:

> I just built a new server with an Athlon 64 x2, 4GB Ram and a
> Gigabyte/Nvidia motherboard.
> When I boot the system up it says on the console that 532888K will be
> ignored.
> Of course it isn't put in any of the log files. Dmesg shows this:
> real memory  = 3724476416 (3551 MB)
> avail memory = 3649908736 (3480 MB)
> Any reason the extra 1/2 GB isn't showing up or usable? Is there something I
> need to specify in the kernel to get to the other 1/2 GB? What if I want to
> install more than 4GB? This mobo supports up to 16 GB... Do I need to go to
> the AMD64 platform to get >4GB?
> I'm running FreeBSD 6.1 i386 SMP kernel.

Bill Moran

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