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Maximus VI Formula - Faulty RAM?

HailAlistair
Level 7
Hi, I've just built a new system with the Formula and I have a problem with the RAM (G.Skill 2400Mhz Cl10 4x8GB)
I suspect that 2 of the 4 modules are faulty, but I'm not sure.

If I put all the modules in, the motherboard doesn't even boot to BIOS (just an endless black screen). The DRAM error led lights up and the display shows Error 55.

Testing the modules separately, I have discovered that using ANY slot on the motherboard, 2 modules work perfectly, 2 modules cause the DRAM error and black screen.

I don't think the Motherbord is the issue, since with the faulty sticks don't work on any slot and the sticks that work do so on any slot, even in dual channel in both A1-B1 and A2-B2.


To be precise, here's the result of my tests (I had not changed any setting in the BIOS before trying this)

slot A1 - RAM module 1 or 2
slot A2
slot B1
slot B2

Result = Mobo works fine

A1
A2 - RAM module 1 or 2
B1
B2

Result = Mobo works fine

A1
A2
B1 - RAM module 1 or 2
B2

Result = Mobo works fine

A1
A2
B1
B2 - RAM module 1 or 2

Result = Mobo works fine

A1
A2 -RAM module 1
B1
B2 - RAM module 2

Result = Mobo works fine

A1 - RAM module 1
A2
B1- RAM module 2
B2

Result = Mobo works fine

A1 - RAM module 3 or 4
A2
B1
B2

Result = Mobo doesn't work


Are module 3 and 4 damaged? I've already updated the BIOS to the latest version.
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11 REPLIES 11

Retired
Not applicable
i dont know this for sure, but can the CPU handle 32gb at 2400mhz?

i dont know my way around the new cpu's very good..

just a thought

clr cmos

boot into bios (using 2 sticks), set speed at 1333mhz

Reboot
power off
Install the other 2
Power on

It's an Intel i7-4770k and the RAM by default are set to run at 1600MHz.

Retired
Not applicable
so if you boot up fine using 2 sticks..

power off

Swap those 2, for the other 2, inserted in the same slots

are you getting a error now

yep

Retired
Not applicable
ok, thats odd, should work..

HiVizMan
Level 40
Please list the kit you are using, I do hope they are one single kit and not two 16gb kits that you are using.

Use the Memtest86+ guide in my sig to problem solve - this will inform you where the issue is located and we can take it from there.
To help us help you - please provide as much information about your system and the problem as possible.

The kit is F3-2400C10Q-32GTX. It's a 32 GB kit with 4 x 8 GB modules.

Memtest is a bit useless if I can't boot with the 2 faulty (?) modules.

HiVizMan
Level 40
Oh dear made a judgement call without even reading the guide.

At least go read the guide please. 🙂
To help us help you - please provide as much information about your system and the problem as possible.