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[Official] ASUS Crosshair V Formula (990FX) club - Page 438

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  • 34% (35)
    Should I leave the list combined for both the CHVF and CHVF-Z
  • 65% (67)
    Seperate the lists
102 Total Votes  
post #4371 of 9900
Quote:
Originally Posted by The Sandman View Post

Yes, I do. You'll usually have to add actual NB Voltage when the ref clock gets above 260 to 265MHz. Up to that point auto will usually hold. Some say max is 1.3v but I've seen many using more including 1.5v for over a year now.

I'm running 1.325V on CPU-NB to keep a ref clock speed of 250MHz on my 965. I don't think the IMC of the Phenom II can go much past that. This is another reason why I'm looking forward to Vishera.

Some of you have seen me talk about PMT (PhenomMSRTweaker). One of the reasons I use this over CnQ is that I'm not comfortable with the way BIOS assigns voltages on Auto when the Ref clock is increased. So with PMT I can decide how much core voltage I can assign as function of up to 5 power states. If you run the Ref clock up at 250, Vcore is up at 1.46V which is way more than I need for 3.9GHz on my 965 with air cooling. PMT is supposed to control VID too, but I'm not convinced this works. I may play around with the Auto setting in BIOS again tonight to see if I can re-convince myself either way that PMT can control it dynamically..
post #4372 of 9900
Quote:
Originally Posted by ihatelolcats View Post

i have filled every hole
with power on my motherboard

That's the spirit!
post #4373 of 9900
Quote:
Originally Posted by The Sandman View Post

Can someone post a link for what they use to connect the 4 pin CPU connection?
Does this go directly to the PSU? Molex? headscratch.gif

some of the new power suplies have 2-4pin 1-8pin and 1-24pin cpu type power connector

the 8-pin and 4-pin cpu power connectors will have yellow and black wires

 

http://www.newegg.com/Product/Product.aspx?Item=N82E16812200084

 

700

    
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post #4374 of 9900
Quote:
Originally Posted by richie_2010 View Post

i think with taht much ram you wont need a page file

Windows needs some minimal size page file in my experience. I just leave it set at 1GB. I'm running 16GB of 1600 Sniper RAM.
post #4375 of 9900
Quote:
Originally Posted by richie_2010 View Post

so should i try 1.3v. i put a small fan over the nb and temps are seeing 42c when priming
there is stability when i do small fft which is cpu but blend tests cpu aswell as cpu nb and ram and doesnt go past 3 mins and either core cuts out or prime stops or comp crashes. most time one cores stop.
is there any way of testing just the ram and the cpunb
it will stablise if i put cpu voltage at 1.4 but im wanting to keep the voltages as low as possible.
if there is any more info you need please ask.
thanks sandman
EDIT: tested at 1.3 on the nb and crashed after 3 mins im guessing its the cpu voltage. i took this pic of my llc settings to confirm there right or not

Even though your LLC is set at Extreme, I think your Vcore is set too low. I think you want your effective Vcore closer to 1.4V if you are near 4GHz speed. This is the behavior I see with Deneb, but Thuban may react differently. Don't know...
post #4376 of 9900
Quote:
Originally Posted by ihatelolcats View Post


anyone know about this? im asking about the chip itself not the bios version

CH5F - the 1st bios chips did not have the room for the bulldozer code

 


CH5F - pertaining to the CPU/NB LLC problem. It turn out the bios chip is faulty when used with FX processors.
Have purchase date and serial number available.
ASUS (U.S. Toll Free - 1-812-282-2787)

 

if your board came out with bios 0705 or earlier then you will need a new chip that is big enough to hold all the code

 

there is a white stick next to the 24-pin connect the last 4 number is the original bios


Edited by Tweeky - 10/28/12 at 3:43pm
    
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post #4377 of 9900
please add me to you list...thanxs
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post #4378 of 9900
Quote:
Originally Posted by richie_2010 View Post

so should i try 1.3v. i put a small fan over the nb and temps are seeing 42c when priming
there is stability when i do small fft which is cpu but blend tests cpu aswell as cpu nb and ram and doesnt go past 3 mins and either core cuts out or prime stops or comp crashes. most time one cores stop.
is there any way of testing just the ram and the cpunb
it will stablise if i put cpu voltage at 1.4 but im wanting to keep the voltages as low as possible.
if there is any more info you need please ask.
thanks sandman
EDIT: tested at 1.3 on the nb and crashed after 3 mins im guessing its the cpu voltage. i took this pic of my llc settings to confirm there right or not

looking at your previous post's screen shots I'd be looking at both the CPU/NB Voltage and Dram voltage. I'm assuming you're running the 1055T you have listed.

Additional NB Voltage should only be added in small increments with testing in between (watch failure times as an indicator of improvement).
You're at a point where it could be NB, CPU/NB and Dram voltage all could be candidates. I'd start whith Dram voltage, than CPU/NB. NB voltage only if others don't help.

A few simple rules I use when stressing with Prime95 are,
BSOD, usually a lack of Vcore,
If you receive a "Worker Has Failed" error (one or more cores stop but test continues) this is usually a lack of CPU/NB Voltage or a lack of Dram Voltage. Sometimes even a combination of the two.
It's not unusual for the AMD platform to require an additional .05v to .1v Dram Voltage over manufactures spec as the listed spec is for Intel platform.

Quote:
Originally Posted by gr8sho View Post

I'm running 1.325V on CPU-NB to keep a ref clock speed of 250MHz on my 965. I don't think the IMC of the Phenom II can go much past that. This is another reason why I'm looking forward to Vishera..

Not meaning to offend you in anyway but just to be sure,
CPU/NB voltage helps stabilize the IMC inside the CPU (NB Freq etc).
The actual NB voltage will help stabilize when the Ref Clock is above 260-270MHz.

The CPU/NB voltage limit on the Phenom II Thubans is 1.5v same as Vcore. I've run mine at 1.468v since January this year with a NB Freq at 3211MHz.

Quote:
Originally Posted by Tweeky View Post

some of the new power suplies have 2-4pin 1-8pin and 1-24pin cpu type power connector
the 8-pin and 4-pin cpu power connectors will have yellow and black wires

http://www.newegg.com/Product/Product.aspx?Item=N82E16812200084


Thanks tweeky! And everyone else for the input on this! I'll do some shopping and get one coming. I couldn't figure out if it had to connect directly to the PSU or if it could go to a molex. Wait, do I even have a molex in my case?
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post #4379 of 9900
Quote:
Originally Posted by gr8sho View Post

Windows needs some minimal size page file in my experience. I just leave it set at 1GB. I'm running 16GB of 1600 Sniper RAM.

I've left mine at system managed. I will reduce the size once I have the other 16GB I want, unless VMWare requirements state othewise.

Currently I have a 16GB pagefile, of which 0% is used, which means Windows is making fantastic use of my RAM. I have 12.5GB free with Opera taking up almost a Gig (31 tabs) biggrin.gif

Can't wait to order an 8350 and then go full retard... I mean server.
Edited by Liranan - 10/28/12 at 7:46pm
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post #4380 of 9900
Quote:
Originally Posted by The Sandman View Post


Not meaning to offend you in anyway but just to be sure,
CPU/NB voltage helps stabilize the IMC inside the CPU (NB Freq etc).
The actual NB voltage will help stabilize when the Ref Clock is above 260-270MHz.
The CPU/NB voltage limit on the Phenom II Thubans is 1.5v same as Vcore. I've run mine at 1.468v since January this year with a NB Freq at 3211MHz.

No offense taken. From what I've read, there is a difference in the capability of the IMC between the Deneb and Thuban. Going past 250 just doesn't seem to work for me and others. It's a moot point anyway because I will be focusing any available OC effort on the Vishera when it arrives.
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