ThinkPad R51e memory compatibility issue

Hi all

I need help please. I have a Thinkpad R51e, who works with a 256 MB DDRII 533 module MHz I checked on the Lenovo site and the maximum memory supported is 2 GB. I bought 2 x 1 GB DDRII 800 MHz and a single module modules can be inserted into a location at any time. As soon as the two modules are inserted the laptop beeps indicating a memory error. What is really frustrating, is that I can insert the 1 GB and 256 MB modules as well and the laptop will run and detect both.

Could someone point me in the right direction please? I am an I.T. Tech and what smeared me.

Thank you

Ben.

I think that R51e motherboard does not support the memory at 800 MHz.

On Lenovo site "using 533 MHz SO-DIMM memory is recommended for this system."

Tags: ThinkPad Notebooks

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