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[Official] MSI 790FX-GD70 Owners Club - Page 161

post #1601 of 9641
mduclow,

I looked into this and I this is my opinion of the "first" two voltage settings for the CPU and CPU-NB versus the "Second: two Votage settings for them.

Definition for Offset:


1. something counterbalancing something else: something that counterbalances or compensates, or an allowance made in order to counterbalance something.

Definition for Counterbalancing:

1. have opposing effect on something: to be or have an equal and opposing force or effect on something.

In my mind the "Second pair" of votages are the real votages and the "First pair" are the offsets... Reason being is that if you set either of the second pair to a specific voltage, the first pair can Fine tune them, or offset them. I may be wrong but this is how I see it. Stability will come from the second pair which says to me that those are the voltages... The first will offset them higher or lower depending on what you set them to. If you change the the first pair pair, the second pair will moce. not vis versa.

I'm not trying to step on your toes! I just want to share with you how my "fantastical" mind works! lol
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post #1602 of 9641
I wanted to share all of you what I found today on the PhenomII's that will have the C3 stepping. I called AMd and spoke to them for a bit about this situation and they (tech sup.) said that they haven't heard anything on the release date of the C3's.

But, they did guide me to a link that was a PDF doc that explained in great detail the changes and specs of the entire range of Processor revisions.

HERE is the link. Notice on page #25 that the Number 379 on the left refers to 1333Mhz Stability. ong story short, it states that the "C3" stepping revisions for the PhenomII will not have issues with "two modules per memory channel". THAT is great!

Notice on Pages #41 & 42 talk about DRam and 46 Talks about Ganged Mode for IMC and the Affects. More interesting reading on Memory at pages 49 & 50. There are 106 Pages. So feel fee to thumb through them if you feel so compelled.
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post #1603 of 9641
Thanks Black,

That about what mine are at similar settings...
Edited by Mastiffman - 11/5/09 at 3:51pm
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post #1604 of 9641
Quote:
Originally Posted by mduclow View Post
Well, it seems the memory is the big hold-up with stability. I have been doing so many changes and re-installs and tests, that I honestly don't remember how I got it stable!

But, usually I will drop the CPU to stock speeds, and up the NB with RAM @ 1066 7-7-7-24 and test in Prime. If it passed over three hours I was ok with that, at least I knew I was usable for day to day, which is what is most important to me.

The memory is the hard part, these IMC's are hard to work with sometimes. Try upping the NB, testing, and then upping the memory, and testing again. When it's stable enough for you, drop the RAM back down and work the NB up again, testing for stability, etc.... Once I have the memory and NB worked to a good spot, then I'll bring the CPU back into it.

The 1st two volt options are the CPU and CPU-NB volts, and the second two are the 'offsets'. Whenever I go past the stock setting, I always leave the top two @ 1.425v and 1.3125v and then use the offset to raise above those levels. I found that if I only used the top two to raise voltages it wasn't working, especially with the NB.

Hope this helps, and remember, anything over 1333Mhz with the RAM is overclocking with these chips, their IMC is only rated for 1333Mhz, although many people have managed to get them as high as about 1780~Mhz or so.

Good Luck,
Marc
Actually they're rated to 1334.

Yeah, I've spent more time getting the RAM thing squared away than anything else. It's kind of funny all of this stress testing has burnt my chip in and now I can run lower voltages

I think I'm going to do a write up later when my testing is done with the outcomes.

Also, when you get everything to where you want it to be do you stress it again? If not I'd highly recommend it.

Also, I've come to the conclusion when testing RAM you need to let it run for more that 3hours. @1500MHz I was 3.5 hours stable the the rig just restarted. No BSOD, no nothing, just restart.

At any rate the settings I'm trying now are, so far, 5hours 45min stable and still going. I'm going to let it run for 7 hours, if it passes I'll be happy.
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post #1605 of 9641
Makes Tons of sense Black! My rule of thimb is Overnight. 12hours is green light for me.

Has anyone heard IF the C3's have been released???? I'm ready to get one Dangit!!! lol
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post #1606 of 9641
Quote:
Originally Posted by Mastiffman View Post
Makes Tons of sense Black! My rule of thimb is Overnight. 12hours is green light for me.

Has anyone heard IF the C3's have been released???? I'm ready to get one Dangit!!! lol
I bought one today it will be here tomorrow heres two links for ya...
http://www.provantage.com/amd-hdz965...x~7AAMD2AT.htm
http://www.techsunny.com/3238019/amd...ii-x4-965.html

I bought mine from techsunny they are local to me. I was gonna drive over and pick it up but they only allow pickups fro their LA location not the fremont one So i gotta wait till tomorrow to get it from fed ex.
post #1607 of 9641
crazy, you would have just bought a 965 and now your upgrading again >.< kind of.
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post #1608 of 9641
Quote:
Originally Posted by XAnarchy View Post
crazy, you would have just bought a 965 and now your upgrading again >.< kind of.
Returning my other 965 has a bad core, getting the C3
post #1609 of 9641
Ahh good trade then lol
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post #1610 of 9641
Thanks for the link but I want a 945 95w C3.

Here are the OPN's for all of the upcoming C3's.

Orginally posted by Hondaguy

"Just to let everyone know if you can cherry pick your Next CPU

the GM code Phenom II's are the C3 stepping."

X4

AMD Phenom™ II X4 965 HDZ965FBK4DGM 3400Mhz 4000Mhz 125W
AMD Phenom™ II X4 955 HDX955FBK4DGM 3200Mhz 4000Mhz 125W
AMD Phenom™ II X4 955 HDX955FBK4DGI 3200Mhz 4000Mhz 125W
AMD Phenom™ II X4 945 HDX945WFK4DGM 3000Mhz 4000Mhz 95W <----This is the ONE!
AMD Phenom™ II X4 925 HDX925WFK4DGM 2800Mhz 4000Mhz 95W
AMD Phenom™ II X4 910e HD910EOCK4DGM 2600Mhz 4000Mhz 65W
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