Question about Dell OptiPlex GX270 PC Desktop

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RAM Memory upgrade: 1gb modeles recognized as 512mb

Hi!
I decided recently that I wanted to upgrade the RAM of my Dell Optiplex GX270 Small Desktop . I originally had 2x256 MB, so I decided to buy two 1 GB DDR400 modules . Dell's site said that the maximum memory that I could have was 4 GB, so I'm not exceeding the maximum memory.

Anyway, I took out one of my 256 MB cards and replaced it with the 1 GB card in dual channel mode (in slots 1 and 2 slots). I've looked at the Bios and it now says that I have 1 GB of memory installed, so it looks like the hardware is recognizing the new memory but only the half of each module. When I get into Windows XP SP2, I right click "My Computer" and click "Properties" and the system says that I have only 1 GB of RAM. Then if I click Ctrl+Alt+Del and look under the performance tab, it says that my physical memory is only 1 GB. So it looks like the computer is still only recognizing 512 MB of RAM and not 1 GB MB.

I have no clue what to do. I've tried switching slots between the 1 GB and 256 MB cards and got the same result. I've also updated my Bios to the newest version and have just tried using only the 1 GB card.
Regards,

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You may have incompatible memory. double check your order and use only recomended name brand memory such as Kingston, you can look up the correct memory on their website, or on newegg.com

Posted on Apr 24, 2008

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1 Answer

Why wont board recognize 1gb ram stick? are there


The Crucial website has the compatible RAM for this system, and they have Dell's full specs on your desktop. If you are trying another brand you might have an incompatible stick of RAM.
Some PC's are very finicky about what RAM will work with them.
Here is the site (complete with price list) for your model.
http://www.crucial.com/upgrade/compatible-memory-for/Dell/OptiPlex%20GX260%20Series/list.html

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I have a Dell Dimension 2400. I want to upgrade from 512mb of memory to 1GB. The manual says I have two memory connectors. Do I get the 1GB, or two 512mb to upgrade? Thank you for your response.


Hello

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Hope it will help, if so do rate the solution

Good Luck

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http://www.crucial.com/store/listparts.aspx?model=OptiPlex%20GX150%20Series
Just looked it up, 512 is the max supported by this system.

Do you have the latest Bios upgrade?

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Remove the 256mb memory and insert the 512mb memory in slot1 and see whether it works. Please note that the memory needs to be in pairs.

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2) PC2700 compatible with memory -184 Pin DDR2700 333MHz

Please enter the service tag on dell.com and find the manual and the right memory for your PC

All the best!

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Memory


Hi

OptiPlex GX270 can be small form-factor, small desktop or small mini-tower. The DIMM slots and therefore maximum memroy capacity depends on the form factor. Double check our OptiPlex GX270 and find memory info below.

Memory Type
333MHz (PC2700) or 400MHz (PC3200) DDR SDRAM

Memory connectors/DIMM Slots
small form-factor: 2
small desktop: 4
small mini-tower: 4

Memory capacities Supported
128MB, 256MB, 512MB, or 1GB non-ECC

Minimum memory
128 MB

Maximum memory
small form-factor: 2 GB
small desktop: 4 GB
small mini-tower: 4 GB

Mike

Apr 13, 2008 | Dell OptiPlex GX270 PC Desktop

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