AMD 1055T memory problems

[reflex]

Right for the ram voltage thing, I am running 1.68V which reports as 1.71 in Hardware Monitor.
This was 11 hours stable when I was running stock CPU speed & RAM at 1600MHz.
I've just decided that I am going to aim slightly higher and if I choose to enable turbo core again I will just lower the multiplier. I did this so the HT link and NB could run at stock and I am just testing CPU.
Hope there is method in my madness though.

Ok, this is what I am in the process of testing:
250x14 = 3500MHz @ auto (reports as a steady 1.38V under load)
HT Link x8 = 2000MHz @ auto volts
NB x8 = 2000MHz still @ 1.19V
RAM multi set so RAM is now 1333MHz still @ 1.68V

If this works I will then try bumping up the NB multi and test again.
Once again I am off to work, so I won't really know results to later.
I think tomorrow I will just take my PC with so I can monitor it there.

[reflex]

Thanks for all the help so far people.
It seems I have lost any overclocking skill that I may have had.
Please bear with though, I apologise for this being such a lengthly process

[zanzabar]

i would put the cpu-NB to atleast 1.3V unless u want to save power. the default read by AOD for most thulbans seams to be higher than the denabs and some are even 1.5V. with 1.3V u should beable to get 2600-2800mhz NB and it should get u full 200:1333 divider ram speed (for 250mhz HTT thats 1666)

my 1090 defaults to 1.3

[reflex]

Hi,

I am not looking to save too much power, but I also don't want to waste.
Not too many things I can throw at it use this processor to the max.
That is why I am going for such a mild overclock.
I will return the memory to the other divider if this cpu speed passes prime, I have just been trying to eliminate one stability problem at a time.

But I am hoping it will be stable @ 3.5 with around 1.37V to me that sounds pretty reasonable.

[TwilightVampire]

I recently built a 1090t system with a Crosshair IV and Black Dragon ram and was having very similar problems. After switching out my RAM for my brothers nearly identical G.Skill and having no problems I came to the conclusion that the black dragon RAM was likely made a little too well for P55 systems and may have been causing this. I returned the RAM for a refund and am going to try something different.

[reflex]

This is interesting, I only really have until tomorrow to return it unless it is faulty.
The ram is running stable at 1600MHz though so I am not sure if its that.
I am thinking of trading it in for some standard 1333MHz memory and then just seeing how tight I can get the timings.

I'm kinda thinking now that it must be the IMC that will hold me back, but I don't want to keep this RAM if it is an issue and then be stuck with it...

[reflex]

Sigh, failed on 1 core after 8hours and 38mins....

[reflex]

Is there not some other voltage I should be increasing like NB voltage? Anything that controls the HTT?
I don't think it's possible to need 1.4V just to run 3.5G unless I have the worst chip on the planet.

[zanzabar]

faling dose not mean that u need to raise the vcore always, what NB core and SB do u have also set the cpu-NB to auto and see what it defaults to i bet that its more than what u have at something like 1.3V. as u are clocking the HTT u need to watch more than just the vcore like when u clock an unlocked part

[reflex]

NB is on auto, which makes it 1.097V
SB is also on auto and is 1.1V I think
HT is on auto and is 1.2V
When I set CPU-NB to auto it appears to go to 1.15V.
Please keep in mind that my HT and NB multi is 8 so that their speeds are the original 2000MHz.
Im just doing this to try elimate some of the variables.

Does one not have to increase a voltage when running higher than 200MHz HTT for stability?
Let say I was trying to find the max HTT of my board and was setting the CPU,NB,HT multi down while raising the HTT. Or is there no voltage adjustment to try push the HTT frequency higher?

Is this also reliant on the CPU-NB voltage? Or this only for running higher NB frequencies.

Any ideas?

[zanzabar]

when u raise the HT core u have to raise the cpu-NB , NB core and SB a little i would try 1.25cpu-NB 1.15V NBcore and 1.2V SB and see if that helps. i also like the keep the cpu VDD 2 steps over the cpu core or it may be the other way around, there is one that has to be higher than the other.

[reflex]

Ok, thank you. I will give that a try.
Unfortunately I'm not used to have so many voltages to set

[reflex]

I think the CPU VDD might be 2 steps over, I tried 2 steps below and it failed after 1 hour.
This is slightly frustrating
Guess I need a noobs guide for 1055T overclocking, or overclocking in general

[zanzabar]

sorry i mean put it 2 steps over the other one, i think that the cpu VDD can only be higher than the cpu core but it may be the other way and u run the one that has to be higher 2 steps over the other one. not over the auto

[reflex]

Yeah I realised that the Vdd must be higher, I think I managed to confuse the bios somewhat.
As I had the Vdd lower that the CPU voltage that I set
I found if you put the CPU voltage just above auto and then you start adjusting the Vdd it automatically pushes up the CPU Vcore.
Well I am at work and the PC is at home running prime, so I just hope it's still going when I get back

If it passes 8 hours I don't think it will ever crash while playing games, although I am not an expert so if anyone else has some input here it would be great.

[reflex]

Failed again 8hours38mins.
Vcore reads 1.39V in hardware monitor.
I have used the voltages zanzabar recommended for everything else.
I did turn both NB and HT multi to 9 though

[Ket]

Have you tried any other stability tests? Might be a issue with the mobo and just not liking P95, not that the OC is actually unstable.

[reflex]

Yeah, I thought it may be my ram. I did test it with stock CPU speed, just with ram multiplier set 1:4 for 1600MHz.
It passed 11h30mins prime95 on blend, I have just kept those settings for this overclock.

When you say voltage bump, what did the voltage land up being. I know it's different cpu to cpu, but I am just interested.
You say you also changed the multiplier, which one?

Thanks

[reflex]

I have OCCT, but am unsure of what test to run and in which mode

[OCman XPC]

Hello , I got AMD Phenom II X6 1090T CPU recently , do my best @ Apacer Giant DDR3-2000MHz ,CL 9-9-9-27 1T , 1.65V [PC16000] , Part No.: 78.AAGD5.9KD

Setting
CPU : AMD Phenom II X6 1090T >>> 3.6GHz / voltage: 1.45V
Cooling : XIGMATEK HDT-S1283
MB : ASUS M4A89TD PRO USB3 >>> BIOS 0901
RAM : Apacer Giant DDR3-1866MHz ,CL 7-9-7-24 1T,voltage: 1.64V
CPU/NB frequency >>> 2500MHz / voltage: 1.35V

Hyper PI 32M x6 Loop 22


Hyper PI 32M x6 Finish


Prime 95 blend Pass 3 hours


I will run DDR3 more higher speed .

[OCman XPC]

Sharing my best @ Apacer Giant DDR3-2000MHz ,CL 9-9-9-27 1T , 1.65V [PC16000] , Part No.: 78.AAGD5.9KD

Setting
CPU : AMD Phenom II X6 1090T >>> 3.77GHz / voltage: 1.45V
Cooling : XIGMATEK HDT-S1283
MB : ASUS M4A89TD PRO USB3 >>> BIOS 0901
RAM : Apacer Giant DDR3-1950MHz ,CL 9-9-9-27 1T,voltage: 1.65V
CPU/NB frequency >>> 2438MHz / voltage: 1.35V

Hyper PI 32Mx6 Loop 16


Hyper PI 32Mx6 Finish


Prime95 blend Pass 3 hours

[reflex]

Nice one.
Unfortunately my supplier swopped my Apacer Giants for Samsung 1333 after I had some major issues.
However in my opinion the IMC of the CPU was faulty.
Anyway I hope they check compatibility with this memory so I can swop back at some stage.

[CoNtAcT]

I have the Gigabyte 790FXTA UD5, I can not run my memory over 1600 MHz. If I buy my new ram to the list of supported memory modules, then run the bolts as specified?

[CoNtAcT]

This are my best memorie frequenz, anybody now what's wrong?

[OCman XPC]

I have the Gigabyte 790FXTA UD5, I can not run my memory over 1600 MHz. If I buy my new ram to the list of supported memory modules, then run the bolts as specified?

Recommend G.Skill Flare series designed for AMD .
for your reference .
http://www.xtremesystems.org/forums/...d.php?t=251338