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[Official] Asus CrossHair IV Formula/Extreme Club - Page 473

post #4721 of 13131
Quote:
Originally Posted by SpaceCowboy View Post
It shouldn't be with proper cooling. Watch your NB temperature.

Why is that? I only found stability with CPU & CPU/NB voltage being almost identical. Shouldn't temperatures be the bigger concern?

I've found that the manufacturers rated DDR voltage tends to be on the optimistic side. Mines rated @1.65, but needed 2.0v to be stable. I also found that the combination of DDR @ 2.0V plus CPU/NB being equal to CPU voltage fixed the blue screens. YMMV.
NB temps typically won't pass what's seen when running Prime95, IBT or really any other stressing method.

It's pretty typical for CPU/NB voltage to be well below CPU voltage. I'm stable at 4GHZ with 1.39 volts and 2935MHZ at 1.28 volts.

I would never raise RAM voltage more than .02 to achieve the timings and speed a manufacturer rated it's RAM for. If you had to, i'd find some different RAM.
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post #4722 of 13131
Well, just wanted to give you guys an update after having the extreme a few weeks now
Just got a brand new HX1000w back from RMA but I've decided not to try to do a NB fix and that the northbridge temperatures on my board are very acceptable. They seemed high initially when I was idling so I assumed it shared the Formula's defect.
After monitoring for a while now and stressing the cpu/nb, over-volting and such, my NB temp has never gone above 49c. Idles in the high 30's low 40's but barely goes up at all when being stressed, unlike my Formula, which went up almost in sync with the CPU temp.
So, pretty happy with this purchase, although I'm still trying to find stability for my 4.2ghz OC I was enjoying on the Formula....
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post #4723 of 13131
Lol,how do i start a thread/post a question?sorry,lol,cant find a start thread or post section.only for blogs.
post #4724 of 13131
Quote:
Originally Posted by Trogdor View Post
It's pretty typical for CPU/NB voltage to be well below CPU voltage. I'm stable at 4GHZ with 1.39 volts and 2935MHZ at 1.28 volts.
I tried one time & couldn't get it stable with lower voltage @ 4.25 GHz.

Quote:
Originally Posted by Trogdor View Post
I would never raise RAM voltage more than .02 to achieve the timings and speed a manufacturer rated it's RAM for. If you had to, i'd find some different RAM.
I have G.Skill RAM rated for DDR2200 @1.65v. I'm @ DDR2000 right now with 2.0v. I can't get anywhere near that with less voltage, & it's a joke trying it with 1.65v.

The other thing is that I could never get the 6-9-6-24-2t timings they claimed. It must have been a big issue because they changed the claim to 7-10-7-24-2t well after I bought it. Not too happy about that. It really makes it hard to decide about going with another 2x2 GB's of G.Skill, or just going with 8 GB's of another brand if I decide to upgrade.
Edited by SpaceCowboy - 10/16/10 at 12:56pm
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post #4725 of 13131
I am gathering parts for a new build. I have ASUS Crosshair IV Formula motherboard. and AMD Phenom II X6 1055T processor. Now I need to buy memory, and am not sure what to get. Is the G.Skill F3-16000CL7D-4GBFLS Flare PC3-16000 4GB memory kit a good choice, or is there something better? I am not concerned about RAM module height, as I will be water cooling the CPU. I am looking for as good a performance as possible for overclocking.
    
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post #4726 of 13131
I have this: GSkill F3-12800CL6D-4GBPI

It has slightly tighter timings than the Flare & it's a tad cheaper. Our mobo recognizes the xmp profile too.

http://www.newegg.com/Product/Produc...2800CL6D-4GBPI
Edited by Offender_Mullet - 10/15/10 at 7:38pm
    
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post #4727 of 13131
Quote:
Originally Posted by kendrab View Post
I am gathering parts for a new build. I have ASUS Crosshair IV Formula motherboard. and AMD Phenom II X6 1055T processor. Now I need to buy memory, and am not sure what to get. Is the G.Skill F3-16000CL7D-4GBFLS Flare PC3-16000 4GB memory kit a good choice, or is there something better? I am not concerned about RAM module height, as I will be water cooling the CPU. I am looking for as good a performance as possible for overclocking.
i have that memory on an extreme and have not had one problem
i run it at 2006mhz and 7-9-7-24-40-2t timings from a settings from profile #1 Bus Speed of 250 and a mult. of x16
Edited by Tweeky - 10/17/10 at 1:28pm
    
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post #4728 of 13131
Quote:
Originally Posted by kendrab View Post
I am gathering parts for a new build. I have ASUS Crosshair IV Formula motherboard. and AMD Phenom II X6 1055T processor. Now I need to buy memory, and am not sure what to get. Is the G.Skill F3-16000CL7D-4GBFLS Flare PC3-16000 4GB memory kit a good choice, or is there something better? I am not concerned about RAM module height, as I will be water cooling the CPU. I am looking for as good a performance as possible for overclocking.
i have the same mb and bought a patriot g series 4 gb kit at frys for $109.00 . running at 9-9-9-27 at 1600 with a 955be at 4 ghz stable . here . seems to be very good memory . hope this helps http://valid.canardpc.com/show_oc.php?id=1433053
    
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post #4729 of 13131
I ultimately want to run 8 GB of memory, and am unsure how well this motherboard works with all 4 DIMM slots being used. Does anyone have any experience with running 4 x 2 GB/ 2 x 4 GB memory kits with this motherboard? One option I am now considering is running a G.Skill Flare F3-16000CL8D-8GBFLS (4GB x 2) memory kit because it is rated for use with AMD motherboards, is DDR3-2000, and is a 2 x 4 GB kit. The G.Skill website says it is guaranteed to work with Phenom II X6 processors at 2000 MHz with 8-9-8-24-2N timings.
    
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post #4730 of 13131
I am running 8gb, 2 per slot, and I have no issues at all
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