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Old 03-21-09   #61 (permalink)
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Ive got some help i need. My 720 is very very unstable at overclocking. Ive tried using amd overdrive and it will be unstable at 3.1ghz. It doesnt mess with the voltages but will mess with the multiplier and reference clock.

But the biggest problem i have is if I run my 720 with ACC on anything but 'per core' or 'all cores' it wont finish booting before it locks. I dont get it, what am I doing wrong?? Im new to overclocking and dont want to screw something up. If someone could get me what i should change the settings to, to OC to 3.2 id be very happy staying at that clock.
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Old 03-21-09   #62 (permalink)
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You have to raise the voltage to get a decent overclock.

Try this:
VID: 1.4500v
FSB: 200mhz
CPU Multiplier: 18x (3600mhz)

Phenom IIs has ACC on board. Leave that setting on either off or auto.

System: Cheezits
CPU
Phenom II 940 @ 4x3.6ghz/1.5v
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GA-MA790X-UD4P (CPU stepping: CACVC AC 0851APBW)
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Old 03-21-09   #63 (permalink)
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I've never OC'd before so I've got a few questions about OC'ing my 720. I'm using AMD Overdrive and I want to start out simple by just increasing the multi as much as possible without raising the voltage. Under the performance control tab, Select All Cores is checked, but each of the 3 cores shows a different multi (core0=10.5, core1=14, core2=4). Is that normal or are they all supposed to be the same?

System: First Build
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MSI 4830 700/1000
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Last edited by Stash9876 : 03-21-09 at 08:50 PM
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Old 03-21-09   #64 (permalink)
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I would ditch the AMD overdrive and do it through the BIOS. They should all have the same multi, unless CnQ is enabled or some such thing. Check your settings in BIOS.
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Old 03-21-09   #65 (permalink)
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Quote:
Originally Posted by nemesis82 View Post
uhhh look at the validation it should say 4x64/64/512 no need for screen shots... ive never seen a higher cpu score than 4800 on 720BE... probably you can... can you please post a 3dmark06 public link with your x3... i mean im really curious now... im thinking of changing to am3 mobo soon thats why im asking... kinda hard with all talk no proof to compare my new am3/ddr3 combo in may...

nevermind, was looking at overall score instead of cpu only sir sorry
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Old 03-21-09   #66 (permalink)
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Quote:
Originally Posted by mxthunder View Post
I would ditch the AMD overdrive and do it through the BIOS. They should all have the same multi, unless CnQ is enabled or some such thing. Check your settings in BIOS.
That could be the issue, where do I disable it? I didn't see any options for CoolNQuiet in the BIOS.

System: First Build
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Old 03-21-09   #67 (permalink)
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dont worry, its there should be called "k8 cool n quiet" or k10 cnq..
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Old 03-21-09   #68 (permalink)
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Quote:
Originally Posted by Stash9876 View Post
That could be the issue, where do I disable it? I didn't see any options for CoolNQuiet in the BIOS.
The option for CoolNQuiet should be in the power settings of your bio's.
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Old 03-21-09   #69 (permalink)
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Quote:
Originally Posted by test tube View Post
You have to raise the voltage to get a decent overclock.

Try this:
VID: 1.4500v
FSB: 200mhz
CPU Multiplier: 18x (3600mhz)

Phenom IIs has ACC on board. Leave that setting on either off or auto.
Well Id like to try that OC but ive got two issues. First is my computer tends lock on boot on dead stock settings. I cant figure out why.

2: Ive got like 3 voltage settings in my bios. Which am i looking for. And what settings do i want for a 3.3 or 3.4 OC?
__________________
System: Triple Core Freedom
CPU
AMD Phenom II 720 BE @ 3.8ghz
Motherboard
Asus M4A79T Deluxe AM3
Memory
CORSAIR XMS3 DHX 4GB 1600DDR3
Graphics Card
HIS 4870 1G
Hard Drive
Western Digital Caviar SE16 250GB
Power Supply
Corsair 850TX
Case
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CPU cooling
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Old 03-21-09   #70 (permalink)
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Your RAM possibly isn't volted enough, or the CPU isn't, or both.

You want the CPU voltage ID. It should be set to auto.

3.3ghz is 16.5x
3.4ghz is 17x

VCore required is probably 1.35-1.50v. You'd have to try out progressively higher voltages to see what works stable for you, all processors are unique.

System: Cheezits
CPU
Phenom II 940 @ 4x3.6ghz/1.5v
Motherboard
GA-MA790X-UD4P (CPU stepping: CACVC AC 0851APBW)
Memory
4gb Patriot DDR2 1066mhz @ 5-5-5-15, 2.1v
Graphics Card
eVGA 8800 GTS 640MB @ 600mhz Core/1900mhz Memory
Hard Drive
Hitachi 320gb
Sound Card
Integrated
Power Supply
TX 650w Corsair
Case
RAIDMax Smilodon
CPU cooling
Lapped Scythe Mugen - 2 120mm fans (59C load)
GPU cooling
Stock
OS
Vista Home Premium x64
Monitor
19" Viewsonic LCD

Last edited by test tube : 03-21-09 at 11:44 PM
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