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Fastest overclock I can get (Read 967 times)
Jan 17th, 2010 at 5:08pm

Speed of flight   Offline
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Chasing the elusive "faster
than yesterday" goal.

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I got an AMD Ph II 965 a few weeks ago, and wanted to see what the max I could overclock it to would be. Here's my combo:
MSI K9A2 Platinum V.1 AM2+
850-watt Antec PSU
AMD Phenom II 965 BE stock 3.4 GHz C-3 stepping
"Transformer 4"x HSF (2 big ol' fans, 1 puller, 1 pusher)
8GB Crucial Ballistix DDR2 800 MHz (stock, raised with CPU freq)
ATi RADEON 4870 512 MB GDDR5 @ full throttle w/CCC

So I spent a few days tweaking and changing values in BIOS, and got this:

CPU freq 4.07 GHz @ 1.6V (220 MHz FSB * 18.5 Multiplier) 36*-39*, never any hotter.
H/T link @ 2200 MHz 1.350V
NB freq @ 2420 MHz 1.300V
RAM @ 880 MHz 2.10V and 4-4-4-12
Chipset at BIOS max recommended Voltage
Disabled Spread Spectrum and Unused PCI slots to minimize EM interference

This is the best I can do with it I think, and wonder if anyone else has done this combination differently for better results? I'm at a point of diminishing returns for what I've got, I think.
I've been reading up on others, having the same combo, but there aren't too many others running the same equipment I got anymore, I don't think.
Any ideas/suggestions for maybe a little better performance, or is this "as good as it gets" for this guy? It seems rather stable this way, been running Hyper Pi and Super Pi while typing this, but haven't tried 3D mark or anything like that yet. Help/ideas/suggestions gladly accepted and appreciated. Smiley
 

Asus Crosshair V Formula-Z
AMD 8350 @4.65 GHz on H100i (226.8 x 20.5)
8 GB DDR3 1814 MHz CL8
ATI 6870 HD Radeon 1 GB
Antec 850 W PSU
Cooler Master HAF 932
500 GB and 200 GB HDDs
Windows 7x64
VRS F/A-18E Superbug, PMDG 747-400 & -8 and MD-11, Captainsim 777, Iris F-14A&B and A-10, Area 51 C-5M Super Galaxy and C-17, loads of others.
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Reply #1 - Jan 19th, 2010 at 7:57am

Thai09   Offline
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I Like Flight Simulation!

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Looks good, well done!

Dunno much about the CPU, but the Crucials I'm familiar with and they can do more:

http://www.youtube.com/watch?v=XqNypWpFBkg

 
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Reply #2 - Jan 21st, 2010 at 5:39pm

The Snake 87   Offline
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In Tippett We trust.
Michigan

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Jeeze... got some good specs man. Just your CPU life will be cut a lot shorter lol
 

Phoenix Coyotes fan in Michigan. Yeeeaah booii.
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Reply #3 - Jan 22nd, 2010 at 1:52pm

N. Chapman   Offline
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Fremont, CA

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The Snake 87 wrote on Jan 21st, 2010 at 5:39pm:
Jeeze... got some good specs man. Just your CPU life will be cut a lot shorter lol

Especially pushing 1.6v on the CPU like that. Get that down to like 1.4Xv and you'll have a good clock. Some of the better CPUs have been able to do 4GHz on the stock voltage.
 

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Click for Computer info overload!
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Reply #4 - Jan 25th, 2010 at 11:35pm

Speed of flight   Offline
Colonel
Chasing the elusive "faster
than yesterday" goal.

Gender: male
Posts: 150
*****
 
N. Chapman wrote on Jan 22nd, 2010 at 1:52pm:
The Snake 87 wrote on Jan 21st, 2010 at 5:39pm:
Jeeze... got some good specs man. Just your CPU life will be cut a lot shorter lol

Especially pushing 1.6v on the CPU like that. Get that down to like 1.4Xv and you'll have a good clock. Some of the better CPUs have been able to do 4GHz on the stock voltage.


Yeah, I didn't like that too much, either. I did hesitate to run the volts that high, but it seems that this was the only way to get stability out of the thing with it cranked up that high.

So, I have an announcement to make:

I did it.

I bought this new hardware, because I'm a feind, and an addict! I think there was too much room for refinement in my old setup, so I decided to step up into the DDR3 club. I put my Phenom 2, HDDs, and video card on this rig...

http://www.techwarelabs.com/reviews/cases/Cooler_Master_HAF_932/images/haf932-ca...

http://www.pureoverclock.com/images/news/asus_crosshair3.jpg

http://www.testfreaks.com/blog/wp-content/uploads/2008/10/windowslivewriterkings...

So, now it goes like this...

Antec 850W PSU
Cooler Master HAF case (black)
Phenom II 965 3.4 GHz stock (but who leaves it there?)
Transformer 4 HSF with dual fans
8 GB Kingston DDR3 1600 MHz @ 8-8-8-20
ATi 4870 HD 512 MB GDDR5

So far, with as much stability as I can see, I've got the thing @ 4.01 GHz with just the multiplier @ 20x, and auto voltage. There's a bunch of indicator LED's ALL OVER this board, set to indicate voltage condition, and I'm happy to say that they're ALL GREEN. I've tried a few different voltage and FSB tweaking options, and nothing seems to work as well as just using the MP: However, I've only had the thing for a few days, and there is still a lot of things to see on this new board. Also, there was a handy li'l option I could never really use before. It's for OC'ing the PCI-e slots. On the old board I used, no ammount of messing ever got the thing to be stable at any setting but stock, which was 100 MHz. I got this thing to 120 MHz for FSX single-player, but it did crash it's first time in a Multi-player session today after cranking it up to 125. Just to be on the safe-side, I'll leave it at 110. Wink

Anyone out there that is still wanting to use AMD processors, this is the board to get. There are SOOO many BIOS options to help a gamer/OCer get the most out of their CPU, HDD, VC, etc. I need to do a LOT more research to even understand what some of these options really do!

For Intel users, there's the Rampage II, which looks just as good. I'm sure it ROX. I hope none of you get one, at least for a while, only because I want to be the only one with it for at least a week (unless it's already too late Wink)...

I was hesitant to upgrade to DDR3 because of the latency differences- (DDR2 @ 4-4-4-12, while DDR3 @ 8-8-8-20). I figured that if it takes it 2x as long to strobe, charge, read/write, etc, then it runing at 2x the MHz didn't seem to leave much room for gains. A couple of the reviews I read in its early days seemed to say this, and it turns out that it just isn't so. It definitely performs better than the stuff I was using. It was good, but this is definitely higher-performance stuff. ZOOOOOMM!!
 

Asus Crosshair V Formula-Z
AMD 8350 @4.65 GHz on H100i (226.8 x 20.5)
8 GB DDR3 1814 MHz CL8
ATI 6870 HD Radeon 1 GB
Antec 850 W PSU
Cooler Master HAF 932
500 GB and 200 GB HDDs
Windows 7x64
VRS F/A-18E Superbug, PMDG 747-400 & -8 and MD-11, Captainsim 777, Iris F-14A&B and A-10, Area 51 C-5M Super Galaxy and C-17, loads of others.
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