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bluehampster

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5800

February 14th, 2013 03:00

DMIDecode or OEM maximum ram difference

I have an old Inspiron 640m that I am using to run Linux, but the RAM is being maxed out shortly after boot. It currently has 1GB, but the user guide says the maximum is 2GB, but when I run $ dmidecode -t 16, it states that the maximum supported is 4GB. I have searched for such issues, but so far the best I can come up with is faulty RAM chips. So, will 4GB work in the system, or will that be a waste of money?

DELL-Manshu S

6 Operator

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2.2K Posts

February 14th, 2013 03:00

Hi bluehampster,

Welcome to the Community.

Maximum Ram supported on Inspiron 640m/E1405 is 2 GB. The Inspiron 640m/E1405 platform uses DDR2 memory and  supports 533 MHz as well as 667 MHz modules.

Slot A Slot B Total Memory
512 MB None 512 MB
1024 MB None 1024 MB
2048 MB None 2048 MB
256 MB 256 MB 512 MB*
512 MB 256 MB 784 MB
1024 MB 256 MB 1280 MB
512 MB 512 MB 1024 MB*
1024 MB 512 MB 1536 MB
1024 MB 1024 MB 2048 MB*

*Indicates dual-channel interleaved (fastest) configuration.

Hope it helps.

Thanks & Regards
Manshu S
#iworkfordell

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