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Cisco Memory Question

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Hi All,


I just had to install some new DRAM for a 2951.  After installation, I just have some queries from the #sh cmd's.  I have put two 2GB DRAM sticks in (i.e. 4GB total).

 

So in the sh ver output, I added the bold figures together and got 2097152 Kilobit's = 256MB's.  I don't really understand why it would only show 256MB when 4 gig is installed?

Router#sh ver | i mem

Cisco CISCO2951/K9 (revision 1.1) with 2054144K/43008K bytes of memory.

255K bytes of non-volatile configuration memory.

 

 

In the below output, the bold numbers is about 2 GB.  Am I missing something here?  Where is the full 4GB?

Router#sh mem sum

                Head    Total(b)     Used(b)     Free(b)   Lowest(b)  Largest(b)

Processor   139C5BFC   1849181188   61152812   1788028376   680470312   1049089444

      I/O   3D600000    44040192    38044280     5995912     5955060     5941244


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