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RAM wont OC on Asus P8P67 Pro

post #1 of 8
Thread Starter 
Hey Guys,

I am taking about the Samsung 1.3v 1600Mhz RAM that everyone on OCN has been raving about.

I had the chips on my Asus P8Z68 V-Pro Broad and had them OC to 2133mhz 10-10-10-28 @ 1.6v and they were perfectly stable

I picked up a Asus P8P67 Pro and put those RAM chip in and it wouldnt even boot at 2133mhz. I tried it at 1866mhz and it booted, but all the workers on Prime Blend automatically stop. On 1600mhz with Prime Blend, 1 worker stops, after awhile maybe another..

I am unsure of whats wrong. I kept all the settins from 1 board to the other. Even the CPU and all of those settings. Maybe the board doesnt like my VCCIO settings? Also there is a new voltage setting I believe its VSSA or something like that. I kept it auto since I have never heard of it before.

Anyone have any tips I could try. It is definately a Motherboard problem and not the RAM or CPU..

I would easily say I would just return it, but I got te board off EBay from a guy that sells atleast 10 Motherboards a day and it looks like its in perfect condition..

I am just thinking its a voltage problem.
post #2 of 8
Have you tried testing the RAM at stock with memtest?
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post #3 of 8
Thread Starter 
No when they were on the other board at 2133mhz I ran both Prime Blend and another memory stressing client, but I forget the name.. Both of them didnt produce any signs of instablility.

I was looking for mem test, but I couldnt find the program. If there is infact a program called mem test..

Due to the fact it was stable unde prime on the Z68 and not the P68 with using the same chips. I think it its either a voltage that needs to be addressed on the board or something with the board itself..

With the board only costing me $50 and having no visible signs of damage I would think I could fix it through voltages.. I could RMA the board I guess... As a final option..

Are there any other voltages other than DRAM I could look to adjust on the P67 board?
post #4 of 8
Quote:
Originally Posted by JMattes View Post

No when they were on the other board at 2133mhz I ran both Prime Blend and another memory stressing client, but I forget the name.. Both of them didnt produce any signs of instablility.

I was looking for mem test, but I couldnt find the program. If there is infact a program called mem test..

Due to the fact it was stable unde prime on the Z68 and not the P68 with using the same chips. I think it its either a voltage that needs to be addressed on the board or something with the board itself..

With the board only costing me $50 and having no visible signs of damage I would think I could fix it through voltages.. I could RMA the board I guess... As a final option..

Are there any other voltages other than DRAM I could look to adjust on the P67 board?

you could try and increase the VCCIO (VTT - IMC) voltage. It may help with stability.
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post #5 of 8
Thread Starter 
My VCCIO is 1.14v

What is the safe range for that voltage?\

Thanks for the help thus far!
post #6 of 8
Quote:
Originally Posted by JMattes View Post

My VCCIO is 1.14v

What is the safe range for that voltage?\

Thanks for the help thus far!

Max is 1.2v for 24/7 usage.

Just a note, even though you set 1.6v on both motherboards, the real voltage after vdrop is what you're really getting, one may have more vdrop than the other. Try increasing the DRAM voltage by a notch or two.
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post #7 of 8
Thread Starter 
Thanks! I will give it a go later tonight and post back.
post #8 of 8
Quote:
Originally Posted by JMattes View Post

No when they were on the other board at 2133mhz I ran both Prime Blend and another memory stressing client, but I forget the name.. Both of them didnt produce any signs of instablility.
I was looking for mem test, but I couldnt find the program. If there is infact a program called mem test..
Due to the fact it was stable unde prime on the Z68 and not the P68 with using the same chips. I think it its either a voltage that needs to be addressed on the board or something with the board itself..
With the board only costing me $50 and having no visible signs of damage I would think I could fix it through voltages.. I could RMA the board I guess... As a final option..
Are there any other voltages other than DRAM I could look to adjust on the P67 board?

chances are you probably had different secondary timings that worked for you on the other MB,try this (note; don't know if this are XMP sticks but is worth trying )
clear-cmos/Mem OK/load optimized default setting/make unnecessary changes in bios
-set XMP profile (or AUTO)-NOT manual
-set your primary timings & voltage (10-10-10-28 @ 1.6v ) all other timings on AUTO
-strap 2133
-save/restart
-enter bios and make sure nothing have changed accept secondary timings

P.S. VCCIO 1.05~ 1.15v is more than enough for this RAM
Edited by coolhandluke41 - 2/27/12 at 1:15pm
    
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