Clash83 :
JCLDJB :
Hi there.
I have an almost exact setup.
Your probleme is the 2133Mhz memory.
Retry the CPU OC to 4.0Ghz (what voltage you using?) and try it with 1866Mhz RAM.
My MSI A68HM-E33 V2 (military class 4 motherboard) can go 1600Mhz/1866Mhz/2133Mhz (OC)
So I don't know if you have to do further tweaking with the CPU NB to stabilise the RAM frequency at 2133Mhz.
We need to figure out if it is the RAM the issue first or the OC
But please confirm you first of all disabled AMD Cool'n'Quiet & Spread Spectrum, with Turbo Core disabled as well?
For the record I got my A8-7650K to 4.2Ghz with 1.4v stable, & 1600Mhz RAM to 1866Mhz (I have overclocked the RAM to 2133Mhz and had to change the "Performance" option to "Battery Life", in BIOS as this option disabled the CPU-NB limit, releasing the mobo to accept the higher RAM frequency, upping the NB from 1.1375v -> 1.2500v).
Let me know how you get on.
Hi JCLDJB, thank you for the response! seems like you are the person to answer with the similarity in our builds!
I must apologise, i am completely new to overclocking and the mobo/cpu bundle i got came overclocked to 4GHz, i didn't have to tweak anything.
The mobo states it can go 1600Mhz/1866Mhz/2133Mhz also. so i got some kingston hyperbeast and hoped i could just change the setting in the mobo and the new power supply would handle 2133MHz ram... apparently not. and in doing so i lost my cpu overclock also =( as it came pre overclocked, i have no idea what the settings were.
I found the cool n quiet, spread spectrum and turbo core and disabled them all, switched from performance to battery life,
From the bios, the settings i have that i can change (that are not greyed out or disabled as per instruction) are currently
CPU Base Frequency - 100.00 Mhz
Adjust CPU Ratio - Auto
Adjust CPU NB Ratio - Auto
CPU Core Control - Auto
Adjust GPU Engine Frequency - Auto
DRAM Frequency - Auto
DRAM Timing Mode - Auto
DRAM Voltage - Auto (1.472v)
Setup Software PState limit - Auto
OC Retry Count - 3
When you say tweaking... by what number should i be adjusting which settings???
The current CPU frequency is 33x100MHz-
I'm assuming i shouldn't be just changing the CPU Base Frequency from 100 to 121Mhz to get 33x121.00 or 3993 (close enough to 4GHz)?
Thank you for the assistance! - please bear in mind, i am a total noob at this!
=]
Call me Jo.
Are you able to confirm what the voltage settings were with your pre-OC'd build? Like the voltage & multiplier settings?
First thing's first, let's get your CPU OC setting back to 4.0Ghz.
I usually leave the Base Frequency alone, as unless you have a good motherboard (like, really good, with Heatsinks on VRMs, etc), then you risk frying your motherboard).
CPU Base Frequency - 100.00 Mhz <-- leave this be for now, we try a different route.
Adjust CPU Ratio - Auto <-- Is this at 3300mhz yes?
Adjust CPU NB Ratio - Auto <-- Is this showing NB at 1800Mhz or more/less on Auto?
CPU Core Control - Auto <-- You don't need to touch this.
Adjust GPU Engine Frequency - Auto <-- is your frequency at 720Mhz - leave this for now.
DRAM Frequency - Auto <-- So currently it's at 1600Mhz and you want to get ot 2133Mhz, you may need to check in CPU Settings for the (Performance/Power Saving mode <-- this on my PC, in Power Saving Mode, frees up the voltage/frequency of the NB, resulting in a higher OC setting for the RAM, one step at a time though.
DRAM Timing Mode - Auto <-- (if upgrading the Frequency then leave the timings for now, do you have CAS 7, 9 or 11?
DRAM Voltage - Auto (1.472v) <-- don't touch this just yet, we will increase this ever so slightly if/when required.
Setup Software PState limit - Auto <-- Disable this.
OC Retry Count - 3 <-- leave this on 3 or set to 1 if you want.
right, please answer the above questions prior to proceeding to next step.
And get the following (Fan Control app, ASUS should have one?, AMD Overdrive for Temps monitoring & Thermal Mergins).
With any overclocking it is important to constantly monitor your temperatures & thermal margins, and also increase the fan speeds appropriately to avoid overheating, be very attentive to this as this is where people get complacent & how components fry.
We will start with a light overclock, don't jump straight to 4.0Ghz as some voltage increase will definitely be required and we want to firstly acheive the highest overclock on you current voltage.
Awaiting response.
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