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ovidiu1990 · ‎08-24-2017

Hi guys,

I have recently switched from a laptop to building my own rig.
All of my components are brand new but i sometimes get some ram errors and i do not understand why. Maybe someone has a better idea...

So my config is as follows:
Maximus IX Formula
I7 7700K (no OC)
32GB DDR4 @2400Mhz HyperX Fury RAM
Gigabyte 1080Ti Turbo

It all started with some random BSODs related to memory management.
I decided to run MemTest in order to see what is happening. I have attached a picture below.
What is crazy about this is that if i run the tests after a cold boot (for ex first boot in the morning) the test will return errors. However if the computer is already running and i reboot it to run the test, then there are absolutely no errors.

I have tried many things but i cannot figure it out if it's the RAM, the mobo or some other reason ...

Any ideas?

Chino · ‎08-24-2017

Is that a single memory kit?

ovidiu1990 · ‎08-24-2017

Chino wrote:
Is that a single memory kit?

Sorry i forgot to mention: it's a dual channel kit (2x16)
Also what is funny is that the errors seem to always be in the same address range ... they just don't always happen.

xeromist · ‎08-24-2017

Run each stick solo one at a time to determine if there is a problem with an individual stick.

A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…

ovidiu1990 · ‎08-24-2017

xeromist wrote:
Run each stick solo one at a time to determine if there is a problem with an individual stick.

I did that, no issues ... i have tried all combos in all slots on the motherboard. It seems that the only way it doesn't like it is the Asus recommended way (slots 2 and 4)

xeromist · ‎08-24-2017

So you were able to run the same sticks in different slots? I wonder if one of the slots has a problem until it heats up. I would inspect slots 2 & 4 to see if there are any deformities.

A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…

Chino · ‎08-24-2017

Looseningthe screws for your heatsink a little is worth a try to. I would also substitute Memtest86 for HCI Memtest since the latter is more effective in DDR4 testing.

ovidiu1990 · ‎08-25-2017

Chino wrote:
Looseningthe screws for your heatsink a little is worth a try to. I would also substitute Memtest86 for HCI Memtest since the latter is more effective in DDR4 testing.

Thx for the advice. I got some more evidence. I had to run it multiple times (probably to cover the entire 32gb of RAM) but it did find some errors
So ... RMA the ram? how could i access that specific address to see if it is actually broken?

ovidiu1990 · ‎08-29-2017

New info:
It seems that the RAM sticks pass all the tests individually, in any of the slots on the motherboard.
They do give errors when they run in dual-channel mode, regardless of the slots i use.

Also if you notice from the memtest results, the stored values are always off by 1 byte when read back. Also the address range where errors are found seems to be the same

Could it be that there is something with dual channel?
I don't understand :(:(:( all components are brand new!

ElectroStingz · ‎08-29-2017

Hello,

BIOS options, have you enabled the XMP setting?

RAM errors, cannot figure out why