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AMD Athlon II X2 250 3.0GHz OC problem

post #1 of 4
Thread Starter 
Hey all I'm new to the forums and would like to say hello to everyone.
I'm having problems with OCing my athlon II x2 250 3.0GHz cpu I was thinking of going to 3.9-4.1GHz from the stock 3.0GHz
I've been playing with options and thing that makes no sense to me is: I put the cpu freq to (example) 240x15=~3600 voltage is on auto mem is on auto also and I can boot into windows run prime95 and temp is stable at 53°C, I shut down the pc return later only black screen no bootup, reset the pc and I get overclocking error and promt saying to revert do default settings, even on 220, 210 sometimes works sometimes doesn't
I've been trying changing cpu voltage to 1.55V still no luck increasing memory voltage to 1.5V but avail, would like if some of you could steer me in the right direction.

post #2 of 4
Quote:
Originally Posted by CCrack View Post

Hey all I'm new to the forums and would like to say hello to everyone.
I'm having problems with OCing my athlon II x2 250 3.0GHz cpu I was thinking of going to 3.9-4.1GHz from the stock 3.0GHz
I've been playing with options and thing that makes no sense to me is: I put the cpu freq to (example) 240x15=~3600 voltage is on auto mem is on auto also and I can boot into windows run prime95 and temp is stable at 53°C, I shut down the pc return later only black screen no bootup, reset the pc and I get overclocking error and promt saying to revert do default settings, even on 220, 210 sometimes works sometimes doesn't
I've been trying changing cpu voltage to 1.55V still no luck increasing memory voltage to 1.5V but avail, would like if some of you could steer me in the right direction.

Welcome to OCN!

Here's my 2cents.gif I'll take a guess that you're also new to OCing, forgive me if I assume wrong.
A real good place to start would be here http://www.overclock.net/t/525113/phenom-ii-overclocking-guide

One of the best guides I've used (waaay back) packed full of info on what, and how to OC. There is a proper method to the madness which is also explained.
Take your time and study/implicate only one area at a time till it sinks in just a bit as it can be easy to become overwhelmed. Check the links within for more info.

Realize your goal of 3.9 to 4.0GHz may be obtainable but only with proper hardware. Budget components = budget results.
Your current mobo only has a 4 phase count. I recommend at least a 6+2 to gain reliability if you wish to OC.
source https://docs.google.com/spreadsheets/d/1MYJwVFwbSBMN7ak_Yi11GY6Ech88r4-BkxRCbNoJIKg/pubhtml/sheet?headers=false&gid=0 and http://www.overclock.net/t/946407/amd-motherboards-vrm-info-database

I started out on a 4+2 phase count with a Phenom II 555. While I was able to stabilize a 4.0 it did put a strain on "Ole Girl" lol. Had to add HS to the VRM and an old case fan blowing on them Warning: Spoiler! (Click to show)

The mATX mobo's aren't recommended to OC with due to size and usually other limiting factors. Heat soak can become a real issue with the limited real-state.
One temp you will not see monitored is VRM temp. In your case it takes a IR Thermometer.

The one thing I can see in your SS is too many values left on "Auto" in Bios. The fewer items on auto the better. Read/study the guide to get a better idea.
PCIE OC to 100
VDDNB = CPU/NB voltage
Manually enter all the specs written on the sticker on the Dram itself for Dram Timing Mode
Monitor freqs and volts with HWInfo64 (free) under load.

Give this a read as well http://www.overclock.net/t/1258253/how-to-put-your-rig-in-your-sig
it'll help those trying to help you biggrin.gif

If I had to guess you're black screen is simply due to instability.
Start low, make small increases and test. Rinse and repeat.
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Ryzen Build
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Bruce
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Hard DriveHard DriveHard DriveHard Drive
Samsung 960 EVO NVMe Samsung 840 SSD Corsair GT SSD WD 2TB Black 
Hard DriveCoolingCoolingCooling
WD 4TB Red EK-FB Asus C6H Monoblock XSPC GPU Razor WB XSPC RX 360 
CoolingCoolingCoolingCooling
XSPC RS 360 XSPC EX140 D5 Vario Gentle Typhoon AP-15 1850 rpm 
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post #3 of 4
Good advice from The Sandman, but you'd be lucky to get more than ~3.8 from that CPU on air.

My 605 and 620 Propus (Propus has 4 cores and 512 KB L2 cache per core, Regor die has two CPU cores and 1 MB L2 per core, similar otherwise).





My 620 barely was stable enough to validate, the 605 was stable.
Edited by The Pook - 9/23/17 at 10:49am
2 OP pls nerf
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2 OP pls nerf
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post #4 of 4
maybe dialing back your nb speeds my athlon 2x4 doesn't like its nb overclocked with high fsb.. maybe its my board but i can hit 3.5ghz as long as i keep nb at 2000
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