Solved Memories ECC or non ECC

Asus P5l-mx desktop motherboard - intel...
October 20, 2014 at 16:16:26
Specs: Windows XP, 3 GHz / 2 GB
I tried to upgrade my old mb Asus P5L-MX and I looked arround for some 2 gb modules of memories.

Asus indicates some Kingston 2GB DDR2 667MHz CL5 model KVR667D2N5/2G, non ECC.

I found some Kingston 2Gb DDR2 667Mhz ECC Model KTM2759K2/4G, from an old IBM server.

Does anybody has any ideea if they would work, or not?
Thank you

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October 20, 2014 at 17:00:11
From the Asus site "2 x DIMM, Max. 4 GB, DDR2 667/533/400 Non-ECC,Un-buffered Memory Dual Channel memory architecture".

That indicates the memory will not work. ECC has an extra register. Some boards can run either. Your specs say no.

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October 21, 2014 at 05:59:55
And if you arent sure whether or not your ram sticks are ECC or NON ECC, you can simply count the number of chips on the ram module. Error correcting ram has an added chip for the parity check and will have an odd number of chips. So NON ECC ram might have 8 chips on it and the ECC ram would have 9.

To err is human but to really screw things up, you need a computer!

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October 21, 2014 at 14:25:26
✔ Best Answer
Hi Ajus, my preference is to use the correct memory type for the device concerned.

However, my understanding is both ECC and non-ECC memory can be used, when non-ECC is specified, but only ECC when ECC is specified.

Good Luck - keep us posted.

message edited by Mike Newcomb

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Related Solutions

October 25, 2014 at 03:40:53
Thank you all!

In the end I preferred the safe solution and I bought at the same price, sh of course, the Asus specs.
But, as Mike said I believe both ecc and non ecc can be used, when non ecc is specified, and only ecc when ecc is specified.. Will experiment next time, promise..

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