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Comprehensive and reliable guide for overclocking RAM

post #1 of 14
Thread Starter 
I'm new to overclocking and I really want to overclock my modules to the max. Is there a comprehensive and reliable guide that you guys can provide me for this purpose?

Many thanks to all.
post #2 of 14
It's even a sticky in this forum: http://www.overclock.net/intel-memor...e-h67-p67.html
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post #3 of 14
Quote:
Originally Posted by CTRLurself [Knyte Custom] View Post


That's what happens when people don't use the search function lol
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post #4 of 14
Thread Starter 
Well, I already read that thread. I even posted some questions there if you see carefully. But I don't see any "guide" in there?
post #5 of 14
There really is no guide. It's one of those things that gets a little complicated once you go into the sub-timings and the only way to figure it out is by extensive testing by the user.

On SB, I start off with stock timings and stock Vdimm. I set to 2133 strap with 100 bclk. Then i keep raising the bclk by 1 and test again. When it fails to boot or fails to complete super pi 32m, I add more vdimm. Eventually I end up somewhere mid 2200's with mid 1.7v. Somewhere along the lines I start tightening timings and working my way down to about 2240mhz or so.

Thats just the way I do things. It really depends on the ram and the intentions. Yesterday I was testing some ram and ran out of time before getting the timings right. If it can't do 2133 strap, then it's junk IMO. But keep in mind, I only use this for benching purposes.
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post #6 of 14
Quote:
I'm new to overclocking and I really want to overclock my modules to the max. Is there a comprehensive and reliable guide that you guys can provide me for this purpose?

Many thanks to all.
Can I ask what you PC is used for? If you use it for gaming, you'd be better off leaving your RAM running at 1600MHz as increased speed will increase CPU thermal output. It is more beneficial to overclock your CPU with RAM at the same speed you have it at.

If you do a lot of photo-editing and 3D Rendering, then there is a small benefit to having faster RAM.
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Intel Core i7-2600k ASUS P8Z68-V PRO HD6990 / HD 6970 Tri-Fire 4 x 2GB KINGSTON HYPER-X T1 (9-11-9-27 2T) 2133MHz 
Hard DriveOptical DriveCoolingCooling
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post #7 of 14
Thread Starter 
Quote:
Originally Posted by Mikecdm View Post
There really is no guide. It's one of those things that gets a little complicated once you go into the sub-timings and the only way to figure it out is by extensive testing by the user.

On SB, I start off with stock timings and stock Vdimm. I set to 2133 strap with 100 bclk. Then i keep raising the bclk by 1 and test again. When it fails to boot or fails to complete super pi 32m, I add more vdimm. Eventually I end up somewhere mid 2200's with mid 1.7v. Somewhere along the lines I start tightening timings and working my way down to about 2240mhz or so.

Thats just the way I do things. It really depends on the ram and the intentions. Yesterday I was testing some ram and ran out of time before getting the timings right. If it can't do 2133 strap, then it's junk IMO. But keep in mind, I only use this for benching purposes.
Quote:
Originally Posted by Extr3me_Rob View Post
Can I ask what you PC is used for? If you use it for gaming, you'd be better off leaving your RAM running at 1600MHz as increased speed will increase CPU thermal output. It is more beneficial to overclock your CPU with RAM at the same speed you have it at.

If you do a lot of photo-editing and 3D Rendering, then there is a small benefit to having faster RAM.
I only use it for gaming. How does increasing RAM speed affect the CPU thermal output at all?

Ok, I can't get my 4 sticks of Ripjaws X 1600 CAS6 to boot at their rated voltage/timings. I already tried a VDIMM of 1.65 and a VCCIO of 1.15 and it still doesn't want to boot? What's wrong? Using load optimized defaults make the speed and timings to more relaxed and the system boots properly with that.
post #8 of 14
To be perfectly honest, I don't know why running RAM at 2133MHz makes the CPU hotter... But, with my Kingston HyperX T1 running at 2133MHz, my CPU is a little bit hotter compared to 1333MHz.

Remember that VCCIO if it's too high can also make it unstable. It is a myth that VCCIO needs to be within 0.5v of DRAM voltage on the Sandy Bridge platform. Try lowering your VCCIO to 1.05 and stress test. If you know your CPU is already stable, then if you get a 0x124 error code, it should just mean raising the VCCIO a little bit more. The same goes with if your get a worker fail on Prime95.

Can I also ask what the rest of your BIOS settings are?

(Please note, I've only been overclocking for a couple of months now... But I've been learning a lot of the guys on here, especially Munaim1.)
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Intel Core i7-2600k ASUS P8Z68-V PRO HD6990 / HD 6970 Tri-Fire 4 x 2GB KINGSTON HYPER-X T1 (9-11-9-27 2T) 2133MHz 
Hard DriveOptical DriveCoolingCooling
240GB OCZ Vertex 3 24 x Dual Layer DVD Writer EK Supreme HF Nickel CPU Water block | XSPC H2O... EK Full Cover Blocks for HD 6990 / HD 6970 | MC... 
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The System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-2600k ASUS P8Z68-V PRO HD6990 / HD 6970 Tri-Fire 4 x 2GB KINGSTON HYPER-X T1 (9-11-9-27 2T) 2133MHz 
Hard DriveOptical DriveCoolingCooling
240GB OCZ Vertex 3 24 x Dual Layer DVD Writer EK Supreme HF Nickel CPU Water block | XSPC H2O... EK Full Cover Blocks for HD 6990 / HD 6970 | MC... 
OSMonitorKeyboardPower
Windows 7 (64 Bit) - Home Premium Iiyama 27" LCD Monitor Razer BlackWidow Corsair 1200W 
CaseMouseMouse Pad
Silverstone TJ07 (Modded) Razer Imperator Razer Vespula 
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post #9 of 14
Your memory is rated for a DRAM of 1.5v... There is no need to go over that. Set it to 1600MHz and the timings should be 6-8-6-24 2N. The only other thing that effects how your RAM runs now it VCCIO and to a lesser degree, Vcore.

Please set VCCIO to 1.05 and stress test using Prime95. If you need specific advise about what you're doing then let me know what the rest of your settings are and we can work through this.

Any more experienced members of OCN, please feel free to butt in as appropriate!
The System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-2600k ASUS P8Z68-V PRO HD6990 / HD 6970 Tri-Fire 4 x 2GB KINGSTON HYPER-X T1 (9-11-9-27 2T) 2133MHz 
Hard DriveOptical DriveCoolingCooling
240GB OCZ Vertex 3 24 x Dual Layer DVD Writer EK Supreme HF Nickel CPU Water block | XSPC H2O... EK Full Cover Blocks for HD 6990 / HD 6970 | MC... 
OSMonitorKeyboardPower
Windows 7 (64 Bit) - Home Premium Iiyama 27" LCD Monitor Razer BlackWidow Corsair 1200W 
CaseMouseMouse Pad
Silverstone TJ07 (Modded) Razer Imperator Razer Vespula 
  hide details  
Reply
The System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-2600k ASUS P8Z68-V PRO HD6990 / HD 6970 Tri-Fire 4 x 2GB KINGSTON HYPER-X T1 (9-11-9-27 2T) 2133MHz 
Hard DriveOptical DriveCoolingCooling
240GB OCZ Vertex 3 24 x Dual Layer DVD Writer EK Supreme HF Nickel CPU Water block | XSPC H2O... EK Full Cover Blocks for HD 6990 / HD 6970 | MC... 
OSMonitorKeyboardPower
Windows 7 (64 Bit) - Home Premium Iiyama 27" LCD Monitor Razer BlackWidow Corsair 1200W 
CaseMouseMouse Pad
Silverstone TJ07 (Modded) Razer Imperator Razer Vespula 
  hide details  
Reply
post #10 of 14
Thread Starter 
Twocables already suggested that both of my kits won't work at their rated timings "together". This is to be expected because the ratings only apply when 2 modules are used, 4 modules is a different story.

What specific settings are you asking for? Does OCN have some kind of template that I can fill up?
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