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Memory locked to a chipset?

DrDerp
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So I have been looking for 8 gigabyte RAM sticks on eBay recently, and there are a lot that say “locked to AM3 AM3+” or something along those lines. Is this true that memory can only work with a certain chipset? Thanks!

Who needs fancy graphics and high resolutions when you can get a 60 FPS frame rate on iGPUs?

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No, otherwise we'd have a lot more choices to weed through than we already have.

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13 minutes ago, tikker said:

No, otherwise we'd have a lot more choices to weed through than we already have.

That is technically true but this particular kind of ram won't work on Intel-based boards due to a certain controller-design on that "amd only" memory.

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19 minutes ago, HeavyOne said:

That is technically true but this particular kind of ram won't work on Intel-based boards due to a certain controller-design on that "amd only" memory.

Do you have a source for this? Because I've never heard of such a thing...

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30 minutes ago, DocSwag said:

Do you have a source for this? Because I've never heard of such a thing...

I bought some of this ram out of curiosity off aliexpress and tested it in several intel boards. All of them failed to post. On tomshardware some people got it to work with the official jdec speed for ddr3 1066mhz (7-7-7-20-27 timings), i was not able to replicate that however.

 

I have only tried ddr2 and ddr3 though so i can't say whether or not there is also something similar going on with ddr4 memory.

 

Unfortunately i can't find the article stating that this is caused by a special memory controller design atm but i'll drop a link to it later if i have got time. 

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13 minutes ago, HeavyOne said:

I bought some of this ram out of curiosity off aliexpress and tested it in several intel boards. All of them failed to post. On tomshardware some people got it to work with the official jdec speed for ddr3 1066mhz (7-7-7-20-27 timings), i was not able to replicate that however.

 

I have only tried ddr2 and ddr3 though so i can't say whether or not there is also something similar going on with ddr4 memory.

 

Unfortunately i can't find the article stating that this is caused by a special memory controller design atm but i'll drop a link to it later if i have got time. 

I got a different kind of RAM than the one's that were locked to a AM3 chipset, but thanks for you guy's help!

Who needs fancy graphics and high resolutions when you can get a 60 FPS frame rate on iGPUs?

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1 hour ago, DocSwag said:

Do you have a source for this? Because I've never heard of such a thing...

 

30 minutes ago, HeavyOne said:

I bought some of this ram out of curiosity off aliexpress and tested it in several intel boards. All of them failed to post. On tomshardware some people got it to work with the official jdec speed for ddr3 1066mhz (7-7-7-20-27 timings), i was not able to replicate that however.

 

I have only tried ddr2 and ddr3 though so i can't say whether or not there is also something similar going on with ddr4 memory.

 

Unfortunately i can't find the article stating that this is caused by a special memory controller design atm but i'll drop a link to it later if i have got time. 

Something new to learn every day apparently. I had never heard of this before, but it seems to be true (links are about DDR2, but eh):

https://superuser.com/questions/1048215/can-amd-only-ram-really-restricted-to-amd-chipsets-and-if-so-why

https://www.theinquirer.net/inquirer/news/1043995/ocz-releases-special-memory-for-amd-am2-cpus

 

A quick glance and it seems to be that indeed Intel wasn't able to (properly) address that kind of RAM back then.

Some have found them not to be that good though:

https://www.pcreview.co.uk/threads/whats-the-deal-with-cheap-amd-only-ram-from-ebay.4071188/

Crystal: CPU: i7 7700K | Motherboard: Asus ROG Strix Z270F | RAM: GSkill 16 GB@3200MHz | GPU: Nvidia GTX 1080 Ti FE | Case: Corsair Crystal 570X (black) | PSU: EVGA Supernova G2 1000W | Monitor: Asus VG248QE 24"

Laptop: Dell XPS 13 9370 | CPU: i5 10510U | RAM: 16 GB

Server: CPU: i5 4690k | RAM: 16 GB | Case: Corsair Graphite 760T White | Storage: 19 TB

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