Trying to get DDR3 RAM to 1866 speeds.

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R

Romancer

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Feb 17, 2011
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Hello, I've had my system for a while now and just realized my ram isn't running at 1866 but at 1333 speeds.

When I was building my system I went for the G.Skill F3-1866C10D-16GAB sticks, installed in slots 2 and 4 as noted in the manual. I know these are XMP optimized for intel motherboards, so I just need some guidance in getting my timings correct. (For a total of 16gb of ram)

I've used CPU-Z and found out the timings of my ram, there are 2 XMP profiles, I just need to know what exact timings I need to use to get these to work correctly.

I was experimenting on my CPU earlier everything has been set back to defaults.

Motherboard:ASUS Sabertooth 990FX R 2.0 (noctua nh-d14 fan)
CPU:AMD FX 9590
RAM:G.Skill F3-1866C10D-16GAB
GPU: 2x R9 290X crossfire

I'll include photos of my UEFI and CPU-Z
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Barty1884

Barty1884

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Apr 16, 2015
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There's an equivelant to XMP on AMD boards (and some show XMP too!). You should be able to enable to profiles, even on an AMD board. Profile #1 should be the package listed speeds (ie 1866MHz).

Enable profile 1 in the BIOS. If that doesn't do it, try profile #2. You shouldn't need to touch your timings etc, that's what the profiles are for.
 
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R

Romancer

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Feb 17, 2011
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18,510


I've looked at my UEFI and I'll give the DOCP a try. Since I've just heard that reads XMP profiles.

Update: Set it to 1866 but I'm getting dram at 722 which is 1444 speeds.

Update 2: Tried loading the XMP profiles, PC hangs and freezes and needs to be set back to default. Back onto 1333 speeds.

Update 3: Ok so I've decided to go manual. I used the Rammon-SPD-info utility to read my profiles. Disabled turbo core, increased the CPU/NB voltage by 0.6 increased the dram voltage to 1.55 from 1.50v. I just need to know if I have correctly put in the timings from Rammon into the UEFI. Rammon uses different terms compared to the UEFI, So I had to translate most of it. I've marked the ones in red that I've made changes to, blue circles I am unsure if I need to change them or I don't understand the UEFI terms well enough., I left those on auto for now.

I used the Enthusiast/Certified XMP profle for this. I didn't want to cause any damage by using the Extreme profile.

The PC has booted fine and no freezing so far, tested no games yet. If anybody can help me with the rest I it would be great.



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