Determine RAM specifications?

[Craig White]

On Wed, 2007-02-14 at 15:42 -0700, Alan Dayley wrote:
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> How does one determine the specifications of the installed RAM on a
> running Linux system?
> 
> There are various ways to determine the amount of RAM.  What I want to
> find is the speed of the RAM (PC2700/333MHz or PC3200/400MHz or
> whatever).  Is there a way to do this from the OS without physically
> inspecting the RAM?
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dmidecode

Craig