[CentOS] Checking how many DIMM slots are in use

Garrick Staples garrick at usc.edu
Mon Sep 24 05:59:44 UTC 2007


On Mon, Sep 24, 2007 at 01:58:34PM +0800, Ow Mun Heng alleged:
> Hi,
> 
> I'm wondering if there's a method for doing any of these
> 
> 1. Check what's the physical memory available.
> 
> free -m shows ~768 mem but I was sure that I had 1G of memory in there.
> 
> 2. I check the kernel and it seems like the 4G split is in effect so it
> should map / correctly recognise there's 1G of Mem there.
> Is there any way to check besides opening up the machine to look at it
> physically??

dmidecode will tell you about the memory slots.

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