Computer wont boot with new RAM

Nathan_94 · Sep 24, 2016

So i bought a new Ram kit from corsair, its a 4X4 SDRAM 2933 corsair dominator kit, timing is 12-14-14-36 and its 1.65V(Kit number CMD16GX3M4A2933C12). I updated my bios, enable XMP, tried to change it manually, but wont boot, the motherboard either tell me overclocking failed and wipe my bios or i get a 55 error code. And i did checked the compatibility

Specs:
Intel i7-4770k
1200W platinum mk3 silencer
Maximus hero VII

Rubentje · Sep 24, 2016

Put one stick in the slot closest to the cpu, go to your bios, up the ram voltage, save, close, place 2nd stick in 3rd slot, see if that works, if that works, add the other 2 sticks. Don't overvoltage it though, check the max ram voltage of your cpu and max ram voltage of the actual ramsticks.

Nathan_94 · Sep 24, 2016

Rubentje :

Nathan_94 · Sep 24, 2016

So with 1 stick it work, at 2933, with 2 stick with the 2nd in 2nd slot it work, but with 2 stick with the stick in 3rd is not working, computer juste close repetively

Tradesman1 · Sep 24, 2016

How much of an OC on the CPU do you have? With four stick will prob want to be at 4.4 or so. Might also need to add + 0.06 to the DDRVTT or VCCIO voltage

Nathan_94 · Sep 24, 2016

Im not sure what your asking haha, im pretty casual with hardware ans bios setting, so my cpu is not overclocked, i think asus mobo have a pre oc setting, where they say they expect 4.4 ghz when its on

Tradesman1 · Sep 24, 2016

The CPU is rated to run 2133/2400 DRAM, to run faster data rates like your 2933 more often than not requires an OC of the CPU and quite often additional voltage to the VCCSA voltage

Nathan_94 · Sep 24, 2016

And where can i change the VCCSA voltage?

Tradesman1 · Sep 24, 2016

In the BIOS will be listed as VCCSA or maybe System Agent Voltage - would try at 1.25

Nathan_94 · Sep 26, 2016

When i try changing vccsa voltage to 1.25 its put me .999 in red

Tradesman1 · Sep 26, 2016

Your MC (memory controller may not be strong enough to run 2933. Each 4770K in an individual item, I'm running 2800 on my Z97, but only 2666 on my Z87

Nathan_94 · Sep 26, 2016

Tradesman1 :

So i should lower the frequence?

Tradesman1 · Sep 26, 2016

Might try at 2800 with stock timings and voltage

Nathan_94 · Sep 26, 2016

By stock timing you mean the timing of ram or the timing i already have with my old ram?

Nathan_94 · Sep 26, 2016

Computer wont ever boot with 4 sticks.. i tried everything, like booting with 1333 frequency, playing with vttddr, agent systeme voltage, oc, putting everything to auto just to try and boot..

Edit: Computer did open with 4 stick after tons of try, with 1333 frequency and 1.61V no OC

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