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Subject: Re: Memory Usage Date: Sun Nov 02 2014 21:35:40
From: Access Denied To: Gryphon

Hello Gryphon,

On 02 Nov 14 19:51, Gryphon wrote to All:

 Gr> This isn't a software question so much as it is a hardware question.

 Gr> I have an older Acer Aspire R1600.  It came stock with 1MB of ram.
 Gr> I'm running Debian Whezey on it.

 Gr> Today I install 2 2GB dimms for a total of 4GB.  However, when I do a
 Gr> top or a memfree, it shows only 3GB.

 Gr>              total       used       free     shared    buffers
 Gr> cached
 Gr> Mem:       3114340     619464    2494876          0      49556
 Gr> 459188 -/+ buffers/cache:     110720    3003620
 Gr> Swap:      1830908          0    1830908

 Gr> DMI Decode shows this:

 Gr> Handle 0x0010, DMI type 17, 27 bytes
 Gr>     Array Handle: 0x000E
 Gr>     Size: 2048 MB
 Gr>     Speed: 800 MHz
 Gr> Handle 0x0012, DMI type 17, 27 bytes
 Gr>     Array Handle: 0x000E
 Gr>     Size: 2048 MB
 Gr>     Speed: 800 MHz

 Gr> Any thoughts as to why it only shows 3GB?

My only thought would be that that's all the motherboard supports. Kind of like 
my Athlon64 motherboard I'm using for my BBS machine. It has two dimm slots, 
but the most I can put in it is 2x1gb sticks of memory as it doesn't support 
any more than that. I can only assume if I were to put two 2gb sticks it would 
still read only 2gb of ram.

Regards,
Nick

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