• We’re currently investigating an issue related to the forum theme and styling that is impacting page layout and visual formatting. The problem has been identified, and we are actively working on a resolution. There is no impact to user data or functionality, this is strictly a front-end display issue. We’ll post an update once the fix has been deployed. Thanks for your patience while we get this sorted.

WTF?! Shuttle Ak31 owners please respond...

O

OverDose

Member
I've been all about the AK31 r3.1 and people are telling me that ECC memory is not supported ?!!?

How can this be knowing that you should use ECC to populate more than 2 of the 4 memory slots anyway
 
ECC is NOT supported by the AK31 Revision 2.0 or 3.x boards simply because of the signal noise created by the 4 DIMM slots. In order to use the 4 DIMMs, you will need "Registered" DDR RAM. Registered and ECC are NOT the same!

As per Crucial.com, (Note that this quote is for SDRAM, but it also applies to DDR.)
"The term 'registered' refers to how the memory module processes signals. Registered modules contain a register that delays all information transferred to the module by one clock cycle. This type of memory is primarily used in servers and was designed for modules with 32 or more chips on them to help ensure that data is properly handled.

While most PCs will accept only unbuffered SDRAM, there are some that accept registered SDRAM. Keep in mind that when you install registered SDRAM, all of the modules installed in your PC must be registered because unbuffered and registered modules are not interchangeable."
.....
"ECC (error correcting code) memory performs "double bit detection and single bit correction." This means that if you have a single bit memory error, the chipset and memory will find and repair the error on the fly without you knowing that it happened. If you have a double bit memory error, it will detect and report it. Using ECC decreases your PC's performance by about 2%."

Hope this answers your question.

Peace. 🙂
 


<< for some reason i thought registered meant ECC also >>


They are not the same but usually when you see Registered for sale, it is ECC also. You can find Registered memory that is non-ECC if you look around.
 
As a side note I have all 4 memory slots of my AK31A filled with 256MB unbuffered, unregistered, non-ECC Crucial PC2100 DDR memory and haven't had a single problem. I am running my FSB at 133MHz, I'm sure that probably helps.
 
You must log in or register to reply here.

TRENDING THREADS

Back
Top