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Recommended OC settings for AMD FX-8150 Zambezi

post #1 of 6
Thread Starter 
Hi Guys,

I'am fairly new to OC'ing and would need some advice from professionals such as yourselves.

My Specs:
Chassis
Cooler Master HAF 922 Mid-Tower


Mainboard:

Asus M5A97 R2.0

CPU:
AMD FX-8150 Zambezi (8Core) with H100i Cooling

8 ghz G.SKill 1600mhz RAM

Cooler master 750w PSU

Samsung 840 series SSD 128GB

My dilemma is comparing CPU temps agains corsair link 2 and HW monitor, not sure which one is real.

I have my CPU settings in the BIOS set to manual

Multiplier is 21.5 = 4.21Ghz
Voltage : not sure what the correct settings are but I have mine 1.325v , I also tried 1.425
CPU/NB is at 1.225v

AMD CPU core tech is disabled and the rest of the stuff that needs to be disabled to improve OC performance.

When I run Prime95 my cpu temp goes above 65Celcius the highest it reached was 75C and it crashed.
Should this be happening with H100i installed? Please Help..

Thanks in advance!!!

Also attached is the current Stats from corsair link 2 and HWmonitor. Dont know which one is telling me the correct readings.. HELP!


Edited by UberDerp - 1/14/13 at 8:01pm
post #2 of 6
The number that you need to be concerned about is the Core Temperature. Under HWmonitor, this shows up as AMD FX-8150 Package, and it should not go beyond 61 degrees for any extended period of time. You current clock speed should not be an issue with that cooler. Sounds like you have a mounting issue, so I would start by re-pasting and re-mounting the cpu block.
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post #3 of 6
hello,
just thought I would jump in on the ma temp conversation, I can to the conclusion that its either cpu or core temp at 61c, if you run a single module the core temp will reach 61c before cpu temp does, but with all the modules on the cpu temp will reach 61c first.

to the op, if your using stock fans there not to good, noise is terrible, I would get some new fans, and mount them using two of the screws per fan to get a push and pull out of it.
    
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Gigabyte™ Radeon™ R9 280 950/1070 Crossfire Avexir™ Blitz™ 3200 CL16 @ 3200 Crucial Ballistix™ Active Cooling fan Seagate™ 2TB Barracuda™ 
Optical DriveCoolingCoolingOS
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post #4 of 6
Thread Starter 
Thanks for your reply guys.
I did some more configurations and some testing.

Multiplier is now at 21.5 = 4.31ghz

cpu/nb is now at 2600mhz
Ram freq. is at 1600mhz

vcore is at 1.45
cpu/nb volt is now at 1.45 as well

I ran prime 95 for 8 hours on blend and on the 1 hr and 50 min mark worker 7 stopped. with warnigns but no errors. what does that mean?

Thanks again for all your help
post #5 of 6
I have the following setup:

FX-8150 3.6ghz stock
Sabertooth990FX Mobo
G.skill Aries DDR3 2133 8gb, (2x4)
Corsair H100i
Coolermaster Scout 2 case, Ghost white (yes, case matters for airflow)
OCZ Agility2 128 SSD
Thermaltake 850w (some emergency best buy purchase)

Using the ASUS TubroV EVO I set it to this: (mind you, I'm not done tweaking)
Bus Freq: 216
CPU Voltage: 1.34375
CPU/NB Voltage: 1.35625
DRAM Voltage: 1.65625
CPU Ratio 21.0
4535mhz, but the actual that I get is around 4551


I run this at 4.551ghz with minimal messing around and I'm sitting around 37C under load. If you have a H100i, DO NOT REPLACE THE FANS, they are better than you'll get elsewhere, and they are high static quiet edition fans. I run Link on quiet mode 24/7 with these fans.

If you do not have high static fans, they will not have the capability of pushing air thru the tight radiator cooling fins, and thus you are doing more harm than good here. Leave these fans alone, unless they burn out.

I do recommend replacing the back case fan and installing one on the inside of the hard drive rails if you have room. This will help keep the motherboard cool. get LED fans if you want some nice lighting.

SO you're running 65C and higher? check your mounting and airflow. When installing my h100i, I accidentally scratched off some of the paste they were so kind to add, so I filled it in with some Arctic silver Compound so be safe.

I have my radiator sitting outside the case on the top, and the fans are on the inside blowing up and out thru the radiator.

If you are a novice to building pc's, put your pride aside and have a professional (or really knowledgeable friend) install it for you.

This is YOUR investment, be smart about it. thumb.gif
post #6 of 6
Sorry for possibly bumping this thread, but I was toying around with an old FX 8150 based rig I had.

I put BeQuiet fans on all my H100i and they are actually a rather good upgrade, especially the SilentWings 3. High static and a max of 28.6dB noise.


As for the overclock. Anyone else experience with FX 8150's at a 4.6G overclock that everything runs perfect and stable, you can bench the system for days, do burnin tests, compile C programs for 4 platforms in tandem and still don't get your cooling to break a sweat yet, BUT, when you shutdown or sleep your system, it won't start up again without a BIOS reset and then Windows does a disk check at the first fresh boot?


I've been looking for days what the issue could be, tested and swapped out several components, keep getting the same issue.

Everything works fine, except a shutdown or sleep.
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