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1answer
63 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 ...
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0answers
19 views

Theoretical behaviour of RAM if single read/write error

The topic is not a broken RAM. A good RAM can also have occasionally errors when reading/writing; non-ECC RAMs more than ECC RAMs, but errors are possible with both types. My question is, when ...
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2answers
248 views

Is there a benefit to having NAS with ECC memory and ZFS filesystem when I work on systems with neither?

Recently I've read some alarming stats on corruption rates in systems with non-ECC RAM and typical filesystems. From what I can Google, having a system with ECC RAM running ZFS is probably the best ...
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2answers
86 views

Why am I seeing Zero errors in non-ECC RAM? [closed]

According to sources, memory errors are a very probable event: Some say the probability of a DRAM error is 95% in just 3 days of operation of a computer with just 4 GB of RAM, others say 32% of ...
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1answer
161 views

Is ECC mandatory in SSD technology?

While shopping for an SSD I have noticed that some manufacturers promote their "Pro" models as the ones sporting ECC data protection. Those manufacturers do not mention ECC in their budget models ...
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2answers
614 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 ...
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0answers
140 views

ECC on harddisks

I have completely re-written my post here as I noticed I was a bit unclear before. In an older post the user sawdust explained very well that there is an SRAM buffer on the HDD controller which uses ...
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2answers
410 views

ECC memory on 2nd Gen Intel i3

I'm in the process of collecting components for a NAS build. I've gone with an UNAS NSC-800 case and an Intel Server Board 1200KPR. I have an i3-2130 thats lying around that Id love to use instead of ...
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1answer
883 views

How can I use GnuPG with ECDSA keys?

I'd like to generate an ECDSA (rather than RSA, DSA, or ElGamal) key using GnuPG, and use it as I might otherwise use an OpenPGP-compatible master key. I've read that gpg2has support for ECDSA keys, ...
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1answer
648 views

Can registered ECC memory go into a desktop mother board?

Can registered ECC memory typically go into a desktop mother board? I don't really need ECC RAM, but the reason for asking is that I'm looking at a mother board that has 4 memory slots and supports ...
3
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1answer
1k views

Elliptic curve crypto: Using same ECC parameters results in different keys in each pass. Why?

I've been using OpenSSL as the library of choice. I created ONE set of ECC parameters via openssl ecparam -out ecparams.pem -name secp521r1 -genkey I then created two certificate requests, with ...
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3answers
1k views

Xeons with IMC (Integrated Memory Controller) — does ECC support depend on the chipset also?

Intel has released Ivy Bridge Xeon processors with PCIe 3.0, ECC, and VT-d support. However, there aren't yet any PCIe 3.0 + USB 3.0 C21x (Panther Point) boards available, while B75 and Z77 desktop ...
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1answer
300 views

How to select right ram module for MB Asrock Wolfdale 1333-D667

Detailed Here is my system specs. (For motherboard details, click here) I want to upgrade my systems memory. As you see on item specs page, this mainboard supports non-ECC, un-buffered memory. ...
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3answers
70 views

How do desktop, laptop and handheld personal computers deal with ocasional RAM data corruption?

It is not a secret that spontaneous stored data corruption (like a bit flip) is not a frequent but still pretty possible event in normal SDRAM (including DDR 1/2/3/4 SDRAM) operation. Servers and ...
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2answers
2k 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 ...
2
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1answer
514 views

Is server memory worth the extra cost for desktops? [duplicate]

Possible Duplicate: Should I use ECC RAM for the next computer I build? From what I understand, server memory contains extra integrity checks which rasies the cost (and stability) of the ...
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1answer
849 views

Difference between regular RAM and ECC RAM [duplicate]

Possible Duplicate: Should I use ECC RAM for the next computer I build? How often does regular RAM make a mistake? Generally speaking, what are the odds of it actually impacting anything ...
2
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1answer
310 views

Does software (similar to DVDisaster) exist which can create images and parity at the same time?

DVDisaster is an awesome tool for archiving things reliably, as it creates ECC in case of physical damage to the media. However, when using it for backup purposes it can be a bit awkward -- one must ...
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2answers
302 views

ECC RAM for server(s)

I have a few (mini)servers (1xAMD E-350 & 1xIntel i5-2500k) running 24/7 that don't support ECC RAM. However I will store data mostly on dedicated servers with AMD AM3(+) CPUs which support ECC ...
1
vote
1answer
620 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 nonECC A-DATA ...
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2answers
136 views

Can I buy an ECC SDRAM, or do I have to buy non-ECC SDRAM?

I'm helping a relative of mine with computer maintenance. She has a Compaq Presario 5000 (10yrs old) and it's slow. My first thing was to look at the memory -- it has only 512MB, but its maximum ...
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2answers
201 views

ECC RAM in GA-G33M-DS2R? Or any Gigabyte/G33M motherboard?

I'm looking to retire a server which has 12GB of ECC DDR2 RAM. I'd like to upgrade my multi-purpose machine (firewall, file server, VM host for Windows Home Server, etc.) using the RAM from the ...
1
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1answer
2k 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 ...
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2answers
577 views

Server works with either ECC or non-ECC ram but not both (manual requires unbuffered)?

I have a server that came with two sticks of 2GB PC2-6400 ECC ram (Hyundai). We also bought two sticks of Corsair CM2x2048-6400C5C (PC2-6400). So I installed all 4 sticks and the machine started ...
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4answers
161 views

Server Hardware on the Desktop

When I rebuild my desktop, I'm thinking of using server hardware instead of desktop hardware. I want to do this so I can easily add a lot of ECC memory (~20GB), and possibly more than one processor. ...
3
votes
1answer
958 views

Is PC2700 ECC backwards compatible with PC2100 ECC?

Because if it's not, it should be! I'm trying to get 2 x 1GB PC2700 ECC Registered DDR333 DIMMs (Micron brand) to work in my computer, but it won't POST: the computer starts, fans and hard drive spin ...
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2answers
230 views

How frequent are DRAM errors?

How frequent are DRAM errors? How significant a factor is heat? Is it worth investing in ECC RAM?
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4answers
14k 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 ...
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4answers
2k views

Should I use ECC RAM for the next computer I build?

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 ...