Error-correcting code, as in a type of memory that can correct single-bit errors. ECC memory is typically found on servers and workstations, where maximum reliability is required.

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21
votes
4answers
3k views

Is there a certain or measurable advantage to using ECC RAM in a desktop PC?

I fuss a lot over building stable machines -- in that I absolutely hate crashes, reboots, funny behaviour, etc. -- and so error-correcting a.k.a. ECC RAM would seem to solve a big problem: memory ...
14
votes
2answers
22k views

ECC registered vs ECC unbuffered

I would like to build a storage server (based on GNU/Linux or FreeBSD) which will be on all the time.To prevent data corruption (which is unlikely to happen as I never had such a problem, but better ...
10
votes
3answers
32k views

Can I use non-ECC memory in a machine that already has some DDR2 ECC memory?

I have a developer workstation that has registered DDR2 ECC DIMMs already installed. I'm planning on getting some more RAM. Can I add memory modules that aren't ECC and/or registered? I mean, does the ...
4
votes
3answers
6k views

Can I use Unbuffered ECC memory with a non-ECC CPU?

I recently purchased the Supermicro X9SCL-F with a Core i5-3350P. I realize that the 3350P does not support ECC, and the motherboard requires unbuffered ECC memory.I do not need ECC. Will unbuffered ...
1
vote
1answer
1k views

ECC ram in non-ECC motherboard

We want to create a computer with i7-2600k (Z68 chipset) and 32 GB ram. After some googling we found out that this can only be done with 4x8GB modules. We can choose from:Samsung nonECCA-DATA ...
5
votes
4answers
359 views

What exactly is the cause of RAM incompatibility?

I'm looking at rather short QVL lists from manufacturers, and I'm wondering what is the underlying cause of RAM incompatibility aside from the obvious:Obvious Reasons for IncompatibilityRAM ...
3
votes
2answers
340 views

How frequent are DRAM errors?

How frequent are DRAM errors? How significant a factor is heat? Is it worth investing in ECC RAM?
1
vote
1answer
3k views

Upgrading memory on the mac - how to solve problems that may arise

The info I could find from Apple about this, helps nothing and Apple Brazil doesn't sell memory (despite being at least 3x more expensive than regular Apple) so I don't know how to buy official ...
1
vote
1answer
954 views

ECC errors, no Mem Test Errors

I recently purchased an HP XW6400 workstation (Dual CPU, Quad memory channels) Along with the computer I purchased 2 sticks of RAM that are the same brand and look, but not matching (numbers and ...
0
votes
0answers
89 views

Headless server and ECC memory

I read that in order to run a server headless, you need to disable the halt on error settings in BIOS to ignore errors related to missing video card, and periferials. As far as I know the ECC memory ...