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How to OC Zeppelin 2x2GB 1800MHz CL9

post #1 of 11
Thread Starter 
Hi.

I'd like to ask how to OC my memories. My PC:
Phenom II x4 965BE rev. C3
Gigabyte GA-97A-UD3
I know phenoms work only with max. 1600 memories (long story why I have 1800 memories), but I'm trying to OC them.
I'd like to OC timing and frequency.
On 212 FSB i have 1680 Mhz(212*8, +0,1V voltage, default timing), it's last bootable combination. So my first question, it's top of phenom, or could I do more OC? And can be generally said which voltage is long-run safe?
My second question regards timing. I'm trying to reduce timing from CL9 to CL7, but I'm able to set only CL8(CL7 no boot). I have read some "how to OC", but I'm newbie and many expression are different as in my bios. Most instructions are only 7-7-7-21.
Here is link with CL8 OC.
file.php?id=4786

I would be happy if any can help with OC. Thx.
post #2 of 11
First of all... Welcome.

Second... I think you mean the motherboard you have is GA-970A-UD3. Correct?

Third... What is the exact model for the RAM?

Once you have answered those questions we can give you some advice. It is not that complicated to get to where you want to get to (provided your RAM can do it).

If you do have the 970A-UD3; that board would support up to 2000MHz RAM (again... provided the RAM can do that).

As far as lowering the timings from CL9 to CL7; some RAM may be able to do that, but not all of them will. You may be able to get to CL8 if the RAM is of decent quality.
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post #3 of 11
Thread Starter 
Hi.
ad2) Yes it's GA-970A-UD3 - my mistake, sry. Bios F3.
ad3) http://www.czechcomputer.cz/product.jsp?artno=76215 - manufacturer is Evolve, but web page is very poor.
post #4 of 11
Oh man... That is the first time I see that brand of RAM.

As for how to run the RAM at 1800MHz... Your motherboard's BIOS has a section named MB Intelligent Tweaker.

Go to that Section.

1. CPU Clock Ratio -> Change from Auto to 15x --> We want to keep the CPU Speed as close to stock as possible until we find where the RAM works best. Changing the CPU Multi to 15x will put your final CPU Speed at 3375MHz once you change the base clock.

2. CPU NorthBridge Freq -> Change from Auto to 9x

3. CPU Host Clock Control -> Change from Auto to Manual.

4. CPU Frequency -> Change from 200 to 225

5. Set Memory Clock -> Change from Auto to Manual

6. Memory Clock -> Change from 6.66 to 8

9. DRAM Configuration -> Leave the timings on Auto for now.

10. Do not change any voltages anywhere. Leave all the voltages at their "Default" settings.

11. Save your changes and reboot.

You should now have your RAM running at 1800MHz and it should work there without a problem. Your motherboard supports it, the CPU can definitely handle that... So the only variable here is your RAM... If it doesn't work there I'd have to assume it is lower quality RAM that won't even run at advertised speeds.
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post #5 of 11
Thread Starter 
I did it as you write, but bios can't boot. Two long beeps and then bios is reseted.
This is for me weird why can't boot. On old MSI board with i5, memories worked correctly on 1800
DSC_3452.JPG
post #6 of 11
That is very odd. There is nothing being overclocked with those settings. Your PC should be able to handle them.

Do me a favor...

- Go back to all "Auto" setting for the the BIOS. Save and boot into Windos.
- Get this program: CPUz
- Install it and run three instances of it... One showing the "Main" tab, one showing the "Memory" tab and the last one showing the "SPD" tab.
- Take a screenshot and post it here.

That will allow us to see what your BIOS settings are once you make it past the POST routine and into windows.

It is very strange that your motherboard won't boot at the settings I gave you.
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post #7 of 11
Thread Starter 
cpuz.PNG
post #8 of 11
Thread Starter 
I don't know if it's important, but when I was socketing memories to slot 1 and 2 (according gigabyte manual), cpuz and aida will show modules are in slot 3 and 4.
I socketed it to 3/4 and aida and cpuz shows 1/2
post #9 of 11
Quote:
Originally Posted by foster;15176565 
cpuz.PNG

Ok...
Now let's go back to the BIOS and start setting things to manual.

1. CPU Clock Ratio -> Set to 17x

2. CPU NorthBridge Freq -> Change from Auto to 10x

3. CPU Host Clock Control -> Change from Auto to Manual.

4. CPU Frequency -> Set to 200

5. Set Memory Clock -> Change from Auto to Manual

6. Memory Clock -> Set to 8x

9. DRAM Configuration -> Press Enter

10. DDR3 Timing Items -> Set to Manual

11. 1T/2T Command Timing -> Set to 1T

12. CAS# Latency -> Set to 9

13. RAS to CAS -> Set to 9

14. Row Precharge Time -> Set to 9

15. Minimum RAS Active time -> Set to 27

16. Leave the rest at their default settings for now.

17. Go back to the previous BIOS window. Hit Esc to go there.

18. System Voltage Control -> Set to Manual

19. DRAM Voltage Control -> Set it to 1.5V --> This is the default voltage for your motherboard and also what your RAM seems to be rated for.

20. CPU Voltage Control -> Set to 1.30V

21. Save your changes and reboot.

This will set your CPU to run at stock settings for speed and voltage. And your RAM will be set to run at 1600MHz CL9.

In order for you to be able to run the RAM at 1800 CL9 you may need to raise the DRAM voltage to 1.65V, but I'm not quite sure if it supports that voltage. I can't find any information on the voltages for that RAM.

I'm sorry I can't give you more details, but I don't own any RAM rated for 1.5V so I don't know how much more they can take. And not having any information on your particular brand of RAM makes it harder.

If you can't get to 1800MHz CL9; I would suggest you try 1600MHz (it already works from the screenshots) and try to set the timings to 8-8-8-24 instead of 9-9-9-27. The difference in performance between the two will be unnoticeable.
Quote:
Originally Posted by foster;15176623 
I don't know if it's important, but when I was socketing memories to slot 1 and 2 (according gigabyte manual), cpuz and aida will show modules are in slot 3 and 4.
I socketed it to 3/4 and aida and cpuz shows 1/2

According to your motherboard's manual; it is recommended to install the RAM into slots 1 and 2 for optimal performance.
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Microcenter Value RAM OCZ Vertex 2 Maxtor STM3200820AS Seagate ST316002 3AS 
Optical DriveCoolingCoolingOS
Asus DRW-24B1ST Thermalright Venomous X Black Sanyo Denki - San Ace 9SG1212P1G01 120mm x 38mm... Win 7 Ultimate x64 
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post #10 of 11
Thread Starter 
Hi. Sorry I'm answering so late.
According to your manual, everything work correctly.
I try to raise voltage to 1.65, maybe voltage is primary problem.
//edit
1. i tried to raise memory voltage to 1,695 and it system boots on 1704 MHz(213x8)
on 1,65V and 213 FSB system didn't boot. So maybe I could raise voltage more, but I don't hnow what is safe voltage
2. I forgotted to thank for your help.
Edited by foster - 10/5/11 at 12:24pm
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