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RAM @ 1066 on ASUS M4A79 Deluxe? - Page 2

post #11 of 16
Quote:
Originally Posted by Timlander View Post
Unless im wrong on this...your running the ASUS M4A79 Deluxe with DDR2 ram. That motherboard supports DDR3 ram. NEWEGG LINK for verification. That would be your problem.
Oh fail on the OP's part then lmao. I didn't think you get even get DDR2 ram to run in a DDR3 board? That's great.
 
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TBA
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post #12 of 16
Quote:
Originally Posted by varkie View Post
You don't need to, nor should you, mess with the FSB on the 940BE as the cpu multplier is unlocked. Just raise the cpu multplier to 18x and the cpu voltage to 1.4 to get 3.6GHz. Much simplier and cleaner way to do it thats why they unlocked it and called it a "Black Edition". Memory and the FSB are tied toghter and you change it to overclock a locked CPU. Otherwise leave it alone because if you change it you will be locked out of changing your memory timings and some other settings. And no matter how you overclock over 3.4 GHz you have to increase the CPU voltage.

And yes 1066 memory is just overclocked 800 MHz and is finicky and you may have to set it to run at 800 MHz to get the system stable at that frequency. With mine I can run 1066 up to 3.5 GHz at timings of 5-6-6-18 26 195 ns or 5-7-7-24 31 195 ns. But above that I have to downclock it to 800MHz but have tighter timings of 5-5-5-15 26 to get a stable system.

With my board I have an area in the BIOS called M.I.T for overclocking. Thats where I can change DRAM timings and frequency and change the cpu frequency and voltages, some boards you need to press Ctrl and F1 to access the hidden controls in the BIOS. Again if you change the FSB some of these settings will be locked, grayed out.

My settings for 3.5 GHz: CPU multiplier 17.5x, Memory Frequency manually set to 5.33 (533 or 1066 MHz), DRAM timings manual 5-6-6-18 26 195 ns, DRAM and CPU voltages set to manual (this setting controls both) with DRAM voltages at 2.1 (+0.3)and CPU voltages on auto.

My settings for 3.6 GHz: CPU multiplier 18x, Memory Frequency manually set to 4.0 (400 or 800 MHz), DRAM timings manual 5-5-5-15 26 195 ns, DRAM and CPU voltages set to manual (this setting controls both) with DRAM voltages at 2.1 (+0.3)and CPU voltages at 1.4 v (+0.05).

My settings for 3.7 GHz: CPU multiplier 19x, Memory Frequency manually set to 4.0 (400 or 800 MHz), DRAM timings manual 5-6-6-18 26 195 ns, DRAM and CPU voltages set to manual (this setting controls both) with DRAM voltages at 2.1 (+0.3)and CPU voltages at 1.5 v (+0.15).
Very nice little guide there varkie! +rep
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post #13 of 16
ASUS M4A79 = DDR2
ASUS M4A79-T= DDR3

I can get 8Gb @ 1066 on M4A79 running a 7750...But when I load back in my 9850 I cant run ran @1066, I have to back it off to 800 and just OC the FSB, in order to reach ram at 1066


Edited by HondaGuy - 4/15/09 at 7:51pm
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post #14 of 16
In order to use the 1333 mem, you "must" be using the AM3 CPU, so forget about buying it until you upgrade.

Do your homework! ;-)

Check my Orb benchmarks. I wont bother to try and prove my knoledge of overclocking here, I'll let it speak for itself.

Prometheus46
Edited by Prometheus46 - 8/16/09 at 11:55am
post #15 of 16
I have the M4A79 motherboard with 955 CPU and DDR2 RAM running at 1066Mhz also..

My Computer:
http://www.hardware.info/nl-NL/users...Z51kk2ad/view/

Problem is my computer just randomly gets a blue screen sometimes, and I can't figure out why?

I was thinking maby I need to up my DRAM voltage...

I've tryed reinstalling Windows new a few times, and I have volciraptor hdd's which I thought may have been causing the problem so I've been messing about with them, but I seem to keep going back on the idea that my ram needs more voltage, the system runs at 800Mhz when u set the ram to auto and you have to change the speeds of the DRAM by hand to make it run at 1066.

I'm running the latest BIOS update for my motherboard version 3204, but I already had this problem way before I updated my bios.

do I need to change my voltage?
Edited by Paulus88 - 5/19/10 at 12:13am
post #16 of 16
Quote:
Originally Posted by Paulus88;9397570 
I have the M4A79 motherboard with 955 CPU and DDR2 RAM running at 1066Mhz also..

My Computer:
http://www.hardware.info/nl-NL/usersys/cnBxZ51kk2ad/view/

Problem is my computer just randomly gets a blue screen sometimes, and I can't figure out why?

I was thinking maby I need to up my DRAM voltage...

do I need to change my voltage?

Typically yes, you'll need to up your voltage to get your memory to run stable at 1066. Refer to your memory's user guide and specifications, my gskill memory had to be bumped up from default 1.8V to 2.2V to run stable at 1066. At least for 2 years when the yellow slots on my M4A79 were working...

Has anyone else had to switch over to the black slots because BIOS wouldn't even post when using yellow slots? And has anyone had success with running 1066 stable in the black slots?
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