Queries on the support of ECC memory on Gigabyte GA-780T-D3L and AMD FX-8120

xhackell · Aug 31, 2017

I have Gigabyte GA-780T-D3L and AMD FX-8120 running with 2x 4GB of non-ECC RAM, no issues.

After reading online from sources that the CPU & motherboard both support ECC memory.

My motherboard is Gigabyte GA-780T-D3L (rev. 3.1) with BIOS revision F3.

The new ECC memory that I am trying to insert are:
Samsung M393B1K70DH0-YH9
Micron MT36JDS1G72PDZ-1G1M1

Both of which are 8GB modules.

I have tried the following:
- Insert single RAM
- Insert single RAM (to a different slot)
- Insert both RAM
- Insert non-ECC RAM (it booted)
- Insert both non-ECC RAM (it booted)

Please advice.
Thanks in advance!

Sources:
http://cpuboss.com/cpu/AMD-FX-8120
http://www.gigabyte.la/Motherboard/GA-780T-D3L-rev-31#ov

alceryes · Aug 31, 2017

Even when not using Registered or ECC RAM, mixing sticks is a recipe for problems. Trying to mix Registered RAM isn't going to work.
First try the sticks individually to make sure they are recognized. You then could try to find a 'match' to the one you want to use (probably the faster samsung). Just be warned - RAM that doesn't come together in a matched set is NOT guaranteed to work. Even if the mfg and model are exactly the same.
Your best best is to just purchase a matched set of Registered/ECC RAM.

Also, why do you want to run Registered/ECC? Registered/ECC RAM is ALWAYS slower than its non ECC counterpart. It makes sense if this is a critical system that will be running 24x7, but for general usage and gaming, you'll just be running with slower RAM.

xhackell · Sep 1, 2017

alceryes :

Sorry for not mentioning what I have tried. I have updated the 1st post with I have tried.
Thanks

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Queries on the support of ECC memory on Gigabyte GA-780T-D3L and AMD FX-8120

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