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ASUS Rampage IV Extreme OC BIOS Settings


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#1 El_Capitan

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Posted 27 June 2012 - 09:59 PM

Updated 12/12/2012

Hopefully this helps someone. I mostly followed this guide: http://rog.asus.com/...overclocking-2/

These are my settings with BIOS 3301(different BIOS update may affect your overclock). Keep in mind, these are high overclock settings with my CPU, Motherboard, and Graphics cards cooled using a custom watercooling solution.

Do not attempt these overclock settings with air cooling.

This is for my 4.8GHz Overclock.

Extreme Tweaker settings:
121212143717.png

I have a mix of 6 x 8GB G.Skill Ripjaws X's and 2 x 4GB Samsung Extreme Low Voltage RAM. I keep the timings at the default timings for the G.Skill Ripjaws X's.

121212143733.png

CPU VCORE at 1.39 during load using Prime95 will report in CPU-Z 1.440 - 1.448V's with my Load Line Calibration set to Ultra High. It idles as low as 1.416V's in CPU-Z. This may be reported differently based on your CPU, Motherboard, Memory, BIOS, and/or settings. I have two systems nearly identical, and they report things slightly differently.

 

You don't want to chance anything higher than 1.4V's for supposed degradation, but I've not experienced degradation, yet.

VTT CPU Voltage needed to be increased to 1.2V's for better stability to my memory and graphics cards.

2nd VTTCPU Voltage doesn't need as much of an increase, I keep it at the 1.16997 to prevent 0x09C BSOD's. Not sure why, but it's helped prevent it for me.

CPU VCCSA Manual Voltage at 1.2V's is enough for 58GB's memory at 1866MHz helps.

DRAM Voltage at 1.515V's even though it only needs 1.5V's. I add 0.015V's for compensation.

CPU PLL Voltage while I could go as far down to 1.55V's on my SB system, it's probably more reliable to keep it at 1.8V's.

PCH 1.1v Voltage doesn't need to be raised unless you have multiple high-end graphics cards and also overclocking them.

It's optional if you want to disable CPU and PCIE Spread Spectrum.

121212143728.png

I manually set CPU Ratio to 48 and leave everything else alone.

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I prefer my CPU Load-line at Ultra High rather than Extreme.

CPU Current Capability I can set at Auto or 120% for 4.6GHz, 130% for 4.8GHz, and 140% for 5.0GHz. I set mine at 140% at 4.8GHz.

CPU Fixed Frequency Manual set at 350.

CPU Power Duty Cycle set at Extreme.

CPU Power Phase Control set at Extreme.

VCCSA Load-Line Calibration set at Extreme.

VCCSA Current Capability set to 140%.

VCCSA Fixed Frequency Manual set at 350.

121212143736.png

DRAM-AB Current Capability would be fine at 100% - 120%, but since I've got a lot of memory, I set it at 130%.

DRAM-CD Current Capability is also set at 130%.

121212143740.png

I believe the only thing I turn on is Intel Virtualization Technology, and currently that's default Enabled. If you don't have a need for it, you can leave it disabled.

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I use Virtualization Technology, so I keep the Intel ® VT-d setting Enabled. Leave it disabled if you have no need for it.

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If you have an SSD, then use ACHI Mode. If you don't, then IDE Mode is fine. If you want to eventually setup a RAID array, then choose RAID Mode.

121129190422.png

Just my personal preferences for Boot-up settings.

121129190429.png


Anyone have any questions or suggestions for improved settings, let me know.



#2 Muchoman1

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Posted 27 June 2012 - 10:20 PM

Looking good, still waiting on my CPU and WC gear for my RIVE, currently all it is doing is being a piece of modern art :wub:

The Hive 
               i7 3930k @ 5GHz 24/7   32Gb Corsair Dominator @ 1866MHz 
                    Asus Rampage IV Extreme    3x EVGA 670 FTW @ 1300MHz Core boost
256Gb Crucial M4 - Boot Drive  4x2Tb HDD Raid 5 - Data Storage 
CPU, Motherboard, GPU and RAM watercooled  by MIPS and Heatkiller 
Heavily Modified XSPC Cube Case 


#3 El_Capitan

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Posted 27 June 2012 - 10:26 PM

Looking good, still waiting on my CPU and WC gear for my RIVE, currently all it is doing is being a piece of modern art :wub:

Lol, that sucks. I hate waiting for parts. :)

#4 d6bmg

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Posted 28 June 2012 - 03:18 AM

Looking good, still waiting on my CPU and WC gear for my RIVE, currently all it is doing is being a piece of modern art :wub:


Waiting for parts to come, specially for a long period of time, is the worst thing to do, seriously.

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#5 ccokeman

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Posted 28 June 2012 - 06:13 PM

Why are you hitting the PCH 1.1v so hard?

Processor Intel Core I7 4690X  4.3Ghz
Memory G.Skill RipJaws  32GB 2400Mhz
Motherboard ASUS Rampage IV BE
Graphics  GTX TitanX x2
Power Corsair AX 1200,
Monitor ASUS PQ321Q
Cooling Liquid by comittee

Storage  OCZ RevoDrive 350 480GB  Seagate 8TB
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#6 El_Capitan

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Posted 28 June 2012 - 06:31 PM

Why are you hitting the PCH 1.1v so hard?

I was getting random BSOD's due to my graphics card overclocks. I adjusted everything I could think of one at a time, and the PCH 1.1V and VTT CPU Voltage was the culprit. I could probably bring my PCH 1.1V down a little bit more. Testing for stability using the optimal voltages take a while with random BSOD's.

Updated, I turned some Digi + Power settings down.

Edited by El_Capitan, 28 June 2012 - 06:41 PM.


#7 El_Capitan

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Posted 28 June 2012 - 09:30 PM

Hah, my changed settings weren't stable.

#8 ccokeman

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Posted 29 June 2012 - 06:22 PM

VTT is going to give you stability to a point. To high and you get the same issues. Thisnkgs I have seen and heard include high PCH causing stability issues and drive corruption.

Processor Intel Core I7 4690X  4.3Ghz
Memory G.Skill RipJaws  32GB 2400Mhz
Motherboard ASUS Rampage IV BE
Graphics  GTX TitanX x2
Power Corsair AX 1200,
Monitor ASUS PQ321Q
Cooling Liquid by comittee

Storage  OCZ RevoDrive 350 480GB  Seagate 8TB
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#9 El_Capitan

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Posted 17 July 2012 - 09:43 AM

I have been completely stable after raising my VTT CPU Voltage up a bit more (no more random-like reboots, even though stress-testing was fine). I've yet to lower PCH 1.1 Voltage. So far no issues going that high. Once I have my back-up system up, I'll mess with my settings again and update the OP.

158 hours running non-stop:
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Edited by El_Capitan, 17 July 2012 - 09:46 AM.


#10 d6bmg

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Posted 17 July 2012 - 11:41 PM

^^ Awesome results. 158 hours? Don't you even restart your PC once in a week? :blink:

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#11 El_Capitan

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Posted 17 July 2012 - 11:56 PM

^^ Awesome results. 158 hours? Don't you even restart your PC once in a week? :blink:

Not if I don't have to. Usually Windows updates or some other updates make me need to reboot. Otherwise, I keep my computer on 24/7.

#12 d6bmg

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Posted 18 July 2012 - 10:14 AM

^^ Poor PC components. :P

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