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P6X58D-E help w/ XMP profile + RAM upgrade

post #1 of 9
Thread Starter 
First, my stuff:
ASUS P6X58D-E
Core i7 930
G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)
ASUS GTX 460 1GB
64GB SATAIII SSD as boot/apps/OS drive
2x1TB for storage

I built this system in September, but I haven't done any tweaking in the BIOS. In fact, SATA was still in compatible IDE mode until I made the switch to Enhanced SATA and reinstalled Windows 7 64-bit last night.

That being said, I'm interested in tweaking some settings in the BIOS for performance, as well as upgrading my RAM. I'm not interested in all out maxing OC capabilities because I want my hardware to last a long time, but some minor tweaks, a slight boost in GHz perhaps, would be nice.

I'm more interested at the moment in tweaking my RAM since that's where my performance is lagging at the moment. I've read about enabling an XMP profile. How is this done?

I want to fill my empty three slots with 3x4GB. Sure, I'll have 18GB (overkill) when all is said and done, but at least my memory is maxed out on three of the slots.

Should I buy G.SKILL since my current RAM is G.SKILL? Can I get the Ripjaw series even if my current RAM is not Ripjaw? I'm looking at this right now:
G.SKILL Ripjaws Series 12GB (3 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)
http://www.newegg.com/Product/Produc...82E16820231358

Note: I have 2x140mm intake fans on side panel, a 140mm intake on the front, a 120mm fan on either side of my hyper 212+ blowing out the back, and a 120mm fan on the back. I'm doing very well with cooling at the moment, so that won't be an issue. My GPU is usually around 31C not under load, and the CPU cores hover around 35-45 with normal use.
post #2 of 9
With the same board, what XMP did for the 2x4gb corsairs i got is that, it set it to the default clocks (instead of running at 1066mhz, it ran at the default 1600mhz). I would first check the speed at which your RAM is running then check if its XMP compatible.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4.02 ghz Asus p6x58d-e EVGA gtx 580 (stock) Corsair Dominator 2x4gb 
Hard DriveOptical DriveMonitorPower
2xWD 500gb / Crucial C300 Asus blu ray drive samsung 2494sw , Asus vg236he, Corsair 750w 
Case
CM HAF X 942 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4.02 ghz Asus p6x58d-e EVGA gtx 580 (stock) Corsair Dominator 2x4gb 
Hard DriveOptical DriveMonitorPower
2xWD 500gb / Crucial C300 Asus blu ray drive samsung 2494sw , Asus vg236he, Corsair 750w 
Case
CM HAF X 942 
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post #3 of 9
Thread Starter 
I'm at work for the next 8 hours so I don't have access to my PC, but it had been running at 1066MHz until last night when I manually changed it to 1600MHz in the BIOS. It's running at 1600MHz now, but I didn't change any other settings or find a reference to XMP. From what I understand, if I do any sort of overclocking whatsoever, I shouldn't use XMP, right? What if I'm overclocking my video card, for example. Will having XMP (or setting my RAM to 1600MHz) affect this?
post #4 of 9
XMP has no effects on video card OC far as im concerned. This is only a speculation but since XMP sets the clocks automatically im guessing that if you ever want to OC the CPU you should start off with the speed at 1066. Since raising the bclk will raise the clock speed for the RAM as well.
Edited by Mello - 1/12/11 at 7:25am
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4.02 ghz Asus p6x58d-e EVGA gtx 580 (stock) Corsair Dominator 2x4gb 
Hard DriveOptical DriveMonitorPower
2xWD 500gb / Crucial C300 Asus blu ray drive samsung 2494sw , Asus vg236he, Corsair 750w 
Case
CM HAF X 942 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4.02 ghz Asus p6x58d-e EVGA gtx 580 (stock) Corsair Dominator 2x4gb 
Hard DriveOptical DriveMonitorPower
2xWD 500gb / Crucial C300 Asus blu ray drive samsung 2494sw , Asus vg236he, Corsair 750w 
Case
CM HAF X 942 
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post #5 of 9
What task you trying to perform?
Increasing RAM amounts is not always the solution for speed.
BTW 'not under load' is idle
L'ordinateur
(13 items)
 
  
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i7 950 ASUS P6X58D-E Sapphire 6870 G.Skill Ripjaw 3x2GB 
Hard DriveCoolingOSMonitor
WD Caviar Black 1TB Noctua D-14 Win7 x64 Samsung 731B 
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HP OEM thingy Sapphire Pure 950w Antec DF-30 Logitech MX110 
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Corsair Vengeance 1500 
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L'ordinateur
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CPUMotherboardGraphicsRAM
i7 950 ASUS P6X58D-E Sapphire 6870 G.Skill Ripjaw 3x2GB 
Hard DriveCoolingOSMonitor
WD Caviar Black 1TB Noctua D-14 Win7 x64 Samsung 731B 
KeyboardPowerCaseMouse
HP OEM thingy Sapphire Pure 950w Antec DF-30 Logitech MX110 
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Corsair Vengeance 1500 
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post #6 of 9
The XMP profiles are basically just a quicky overclock to bring your RAM speed up that may or may not work all that great for your system. Due to having to work for lots of people they can't be all that optimized and usually are pretty ugly overclocks. Better to just set what you want manually.

A quicky RAM course.

The RAM frequency is based on the baseclock (BCLK) multiplied by a memory multi. In your specific BIOS the multi is invisible and it will just give you the frequency choices available based on the baseclock. Raising either BCLK or the multiplier will raise the DRAM frequency.

UCLK Frequency should be twice the DRAM Frequency.

Memory timings can and in most cases should be set manually. The ones to worry about start at the top of the list and are in order for the timings listed for your RAM. While the command rate (1n or 1T or 2N or 2T) can be found a little farther down the list. Just set them to the spec timings for your RAM to start with.

Overclocking the memory by raising the frequency or lowering the timing can and most likely will take some added voltage to keep stable.

Uncore voltage as it is generically called or QPI/DRAM Core Voltage in your BIOS has to be within .5v min. of the DRAM BUS Voltage. A good safe range would be 1.15v- 1.35v. This is a pretty touchy voltage and not having enough by a very small amount can cause instability pretty quick. Having too much I've found can cause instability also. Among other things this voltage powers the Internal Memory Controller (IMC) in the CPU FYI.

DRAM Bus Voltage pretty much can be thought of as the voltage powering the RAM itself. It is best to just set this voltage to what is spec for your RAM. Raising it over spec can help power higher frequencies or lower timings beyond spec. Intel stock for this voltage is 1.5v and it is common to see RAM that are spec up to 1.65v.

If you overclock the CPU ( frequency determined by BCLK X CPU Ratio) it is best to start out with the lowest memory multi 2:6 (or x6). This somewhat seperates the CPU from the memory and you can test for stability of the CPU and proper vcore (CPU Voltage) without the uncore side of things causing it's problems. Then after you get stable you can bring the multiplier and RAM speed back up, test some more and dial in the voltages for the higher memory speed.

For more info I've found Mihallen's guides to be a pretty good starting point. http://www.techreaction.net/2010/09/...-and-gulftown/. You can also click on the Asus link in my sig for a thread with tons of info on overclocking with your motherboard. Here is a handy voltage guide also http://www.evga.com/forumsarchive/tm...09&mpage=1&key . The guide to 4.0 has some good info as well even if you are not looking to hit 4.0. http://www.overclock.net/intel-cpus/...920-930-a.html
Edited by ~sizzzle~ - 1/12/11 at 8:25am
Monster IIr
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i5 3570K ASRock Z77 Extreme6 MSI R7970 G.SKILL Ripjaws X 
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Monster IIr
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Hard DriveHard DriveHard DriveHard Drive
WD Black 640GB Crucial M4 SSD Corsair 840 SSD Seagate  
Optical DriveCoolingOSMonitor
Samsung Cogage Arrow Windows 7 Alienware AW2310 
MonitorKeyboardPowerCase
Dell ST2410 BlackWidow Ultimate Corsair 850TX CM Sniper 
MouseMouse PadAudioAudio
Corsair M60 FUNC X-Fi Titanium HD  Sennheiser PC360 
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i5 760 EVGA P55 FTW XFX 5850 Mushkin Blackline 4GB 
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post #7 of 9
Thread Starter 
Quote:
Originally Posted by Colt View Post
What task you trying to perform?
Increasing RAM amounts is not always the solution for speed.
BTW 'not under load' is idle
When running WoW, iTunes, a dozen Chrome tabs, MSE, and Real Temp, my RAM usage is over 80%. I don't feel comfortable with that. As for not under load vs idle...I hesitated to say idle because I'm never patient enough to simply close all running applications and watch what happens to my temps, so by "not under load" I mean, "a few things open, far from putting any kind of pressure on the system, not quite idling, per se."

sizzzle - So it it considered overclocking to change my RAM from 1066MHz to 1600MHz in the BIOS? Since the RAM is labeled as 1600MHz, you'd think that I'm just setting things the way they are supposed to be.

To sum up, all these voltage/clock numbers and acronyms are making my head spin. I'd prefer to have all my hardware running at stock settings whilst maxing out what they can do without the risks associated with finetuning frequencies and whatnot. I bought 1600MHz RAM. I just want it to run at 1600MHz. If it's still going to go over 80% when I'm doing all these things, then I want to add 3 more sticks.
post #8 of 9
Assuming you are using Windows 7, Windows caches a large amount of unused RAM. This can make it appear that RAM usage is higher than what it is.

Yes raising the RAM frequency over Intel Stock is overclocking. At least memory overclocking and the best way to get 1600Mhz RAM speed would be to overclock the CPU as well. By buying 1600Mhz RAM you bought RAM that is good for overclocking. They list it as tested and guaranteed to be stable at 1600Mhz. Not really this RAM will run at 1600Mhz straight out of the box.

That is where the XMP comes in. More of a marketing stratagy to sell you high speed RAM. Really it is just push button memory overclocking. When you select a XMP profile it auto changes the settings for you. Just not always to the most ideal settings.
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WD Black 640GB Crucial M4 SSD Corsair 840 SSD Seagate  
Optical DriveCoolingOSMonitor
Samsung Cogage Arrow Windows 7 Alienware AW2310 
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Dell ST2410 BlackWidow Ultimate Corsair 850TX CM Sniper 
MouseMouse PadAudioAudio
Corsair M60 FUNC X-Fi Titanium HD  Sennheiser PC360 
CPUMotherboardGraphicsRAM
i5 760 EVGA P55 FTW XFX 5850 Mushkin Blackline 4GB 
Hard DriveOptical DriveCoolingOS
Caviar Blue 640 Asus Corsair A70 Windows 7 
MonitorKeyboardPowerCase
Dell ST2410 Rosewill RK-800G Seasonic M12II 620 NZXT Gamma 
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Monster IIr
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Hard DriveHard DriveHard DriveHard Drive
WD Black 640GB Crucial M4 SSD Corsair 840 SSD Seagate  
Optical DriveCoolingOSMonitor
Samsung Cogage Arrow Windows 7 Alienware AW2310 
MonitorKeyboardPowerCase
Dell ST2410 BlackWidow Ultimate Corsair 850TX CM Sniper 
MouseMouse PadAudioAudio
Corsair M60 FUNC X-Fi Titanium HD  Sennheiser PC360 
CPUMotherboardGraphicsRAM
i5 760 EVGA P55 FTW XFX 5850 Mushkin Blackline 4GB 
Hard DriveOptical DriveCoolingOS
Caviar Blue 640 Asus Corsair A70 Windows 7 
MonitorKeyboardPowerCase
Dell ST2410 Rosewill RK-800G Seasonic M12II 620 NZXT Gamma 
MouseMouse PadAudioAudio
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post #9 of 9
Thread Starter 
Ah-ha! Finally it all comes together. Things are making sense to me now. I thought that buying 1600MHz RAM and running it at 1066MHz was akin to buying a 2.8GHz P4 (back in the day, let's say) but running it at 1.5GHz.

Thanks for clearing up my misconception! Since boosting the RAM from 1066MHz to 1600MHz is the only change I made in the "A.I. Tweaker" tab of my BIOS, I'll set it back to 1066MHz. And then start with OCing my i7 930 in parallel with the RAM.

Clearly, I have a lot to read about overclocking. I'll check out those links you linked to get a grasp on where to start as well as some fundamental knowledge essential to doing this kind of thing.

Thanks, everyone!
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