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OCing Phenom II X6 1055t to 4.0ghz

post #1 of 14
Thread Starter 
Hi guys. I just tried ocing my cpu to 4.0ghz and it ended up crashing once I got past the windows login screen. I can manage a 3.5ghz oc with all settings on auto in bios. It seemed like the dram was the issue for the crash but when I set it back a notch it didn't boot at all. Can anyone give a guess as to what's wrong? Here are my comp specs.

ARCTIC COOLING Freezer 7
Kingston ValueRAM 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (8gb total)
ASUS M4A88TD-M motherboard
AMD Phenom II X6 1055T
SAPPHIRE 100314SR Radeon HD 6870
post #2 of 14

The use of generic 1333Mhz RAM that really comes with no binning guarantee is wrecking your chances due to its inability to work with the higher ref clock setting and DDR3-1600 speeds.  In the meantime you could try and see if a voltage increase to say 1.65V gets you there but I wouldn't put down any guarantees.  For any builds with the 1055T I usually recommend that DDR3-1600 (which often costs the same, or as of lately - less than) be paired with it.  At the 300Mhz bus clock speed you need to get to 4Ghz, you can easily set the RAM multiplier to x5.33 and run your RAM at the rated 1600Mhz, no extra hassles involved.

You should also watch the VRM cooling as whether it's present or not will affect the reliability of your OC (i.e. will it actually increase performance, or will the VRMs overheat and the processor throttle every time you try to make use of that performance?)

post #3 of 14
http://www.overclock.net/t/1249279/phenom-ii-x6-h80-push-pull#post_17095155
hey goat man can you help a bro out?
havent oced since the am2 days and strugglign a lil
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Flagship II
(21 items)
 
  
CPUMotherboardGraphicsRAM
amd phenom II x6 1090t asus m4a89td pro/usb3 powercolor 7950 boost state edition 16gb wintec ampo 1333 
Hard DriveHard DriveOptical DriveCooling
mushkin enhanced chronos samsung spinpoint 1tb sony usb dvd drive 1x xspc 360 rad  
CoolingCoolingCoolingCooling
1x xspc 140 rad phobia 260 xspc single bay res xspc rasa cpu block 
OSMonitorMonitorMonitor
windows 7 pro Acer G235HAbd 23'' Acer G235HAbd 23'' Acer G235HAbd 23'' 
KeyboardPowerCaseMouse
azio levetron mech 5 ocz extreme fatal1ty 1000 w 80plus gold coolermaster haf 932 w/ amd edition side window Logitec g500 
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sony av reciever with 2 sony floorstandign mode... 
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post #4 of 14
Thread Starter 
Okay so I got some new DDR3 1600Mhz Ram (G.SKILL Ripjaws Series 8GB DDR3 SDRAM DDR3 1600) but I still end up crashing after a few minutes. Should I go ahead and set the dram voltage to 1.65v to see how that works? I'm pretty paranoid that I might break something if I set the voltage higher.
post #5 of 14
Quote:
Originally Posted by ***omfgname View Post

Okay so I got some new DDR3 1600Mhz Ram (G.SKILL Ripjaws Series 8GB DDR3 SDRAM DDR3 1600) but I still end up crashing after a few minutes. Should I go ahead and set the dram voltage to 1.65v to see how that works? I'm pretty paranoid that I might break something if I set the voltage higher.

Yes increase it to up to 1.65v, if you are worried do it steps.

But it will be safe.

Also you should listen to XD_1771, your vrm's need cooling.
post #6 of 14
Thread Starter 
Quote:
Originally Posted by ginger_nuts View Post

Yes increase it to up to 1.65v, if you are worried do it steps.
But it will be safe.
Also you should listen to XD_1771, your vrm's need cooling.

Yeah I upped the CPU volt to 1.45v and DRAM volt to 1.65v. I wasn't able to reach 4.0ghz but I was able to keep a 3.8ghz clock for 8 hours on Prime95 with no problems. And as for VRM cooling, I can't seem to find much info on how to do that. There only seems to be 2 items on sale for newegg for VRM cooling and they're both out of stock. Mind linking me to where I can find more info on this? Thanks.
post #7 of 14
EnzoTech or a Antec Spot Coolers would help.

But a combination of the two would work best. thumb.gif

There is other manufacturers of heatsinks for the VRM's, they are the same as the ones on graphic cards.

I would post more links but at work the Net is extremely limited mad.gif

But then saying all this 3.8Ghz is a great OC thumb.gif Good work biggrin.gif
post #8 of 14
Quote:
Originally Posted by ***omfgname View Post

Yeah I upped the CPU volt to 1.45v and DRAM volt to 1.65v. I wasn't able to reach 4.0ghz but I was able to keep a 3.8ghz clock for 8 hours on Prime95 with no problems. And as for VRM cooling, I can't seem to find much info on how to do that. There only seems to be 2 items on sale for newegg for VRM cooling and they're both out of stock. Mind linking me to where I can find more info on this? Thanks.

what are your cpu-nb and ht-link multipliers at?
have you lowered them to compensate for the increased htt/fsb?
also, you shouldn't need to increase your ram voltage beyond what it was rated for.
just set it to its rated frequency and timings with its rated voltage.
and yes get some kind of cooling for your vrms.
also, what do your core temps look like under load?
post #9 of 14
Thread Starter 
Quote:
Originally Posted by LilScrappyD View Post

what are your cpu-nb and ht-link multipliers at?
have you lowered them to compensate for the increased htt/fsb?
also, you shouldn't need to increase your ram voltage beyond what it was rated for.
just set it to its rated frequency and timings with its rated voltage.
and yes get some kind of cooling for your vrms.
also, what do your core temps look like under load?

CPU-NB and HT-Link are set to auto. CPU core temps stay under 54c while under load.
post #10 of 14
You could try changing your CPU-NB and HT-Link to manual the adjusting manually,

You want your NB as close to 3,000 (stable) as possible and your HT-link as close to 2,000 as possible, I think thinking.gif

But when it comes time to try higher I will put money on your VRM's limiting you. mad.gif

And as for 54 Celsius under load that is good biggrin.gif

Max. is 62 Celsius devil.gif

Some say they experience problems with stability above 55 Celsius, but myself I have never experineced any.

Niether has a great friend of mine who has a 1090T.
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