Jump to content
Sign in to follow this  
El_Capitan

ASUS Rampage IV Extreme OC BIOS Settings

Recommended Posts

Prime95 and IntelBurnTest, along with capturing y-cruncher and Cinebench scores, and running 3DMark at Extreme settings.

Share this post


Link to post
Share on other sites

ok this might be a really stupid question but whats the benefit of manually setting the voltage? I usually keep it at auto with the load line freq at high or above.

 

I've managed to get stable 4.8Ghz overclock's with my I7-2600k but I've never bothered to go any higher due to heat issues. Shoot me if I posted this in the wrong place.

Share this post


Link to post
Share on other sites

Auto usually overcompensates on voltages to ensure stability. Manually setting the voltages allow you to find the bare minimum voltages needed to find stability. Being able to use less voltages allows lower temperatures and power consumption.

Share this post


Link to post
Share on other sites

Auto usually overcompensates on voltages to ensure stability. Manually setting the voltages allow you to find the bare minimum voltages needed to find stability. Being able to use less voltages allows lower temperatures and power consumption.

 

Ahh I see I'll make a note of that for future overclocks. Thanks!

Share this post


Link to post
Share on other sites

Is there anyway to save your bios settings before you flash new bios ??

 

Never saw this post, sorry for the late reply. No, you can only take screenshots (F12). Almost every new BIOS update may affect your overclock settings, so it's good to finalize your overclocks and test all over again with a new BIOS. Some BIOS updates I can't keep 4.8GHz stable at 1.38Vcore, some I need 1.45Vcore, etc.

Share this post


Link to post
Share on other sites

Updated 12/12/2012

 

Hopefully this helps someone. I mostly followed this guide: http://rog.asus.com/46212011/rampage-iv-motherboards/rampage-iv-extreme-uefi-bios-guide-for-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.

 

121129190401.png

 

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.

 

121129190408.png

 

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

 

121129190418.png

 

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.

Share this post


Link to post
Share on other sites
I have Asus rampage iv extreme and i bought kingston 32 4*8 GB ram 2400 MHZ. The problem is in cpu-z the speed showing 1333 mhz and i try to change from BIOS also and i changed it after i again checked in cpu-z its showing the same 1333 mhz. I again went to BIOS inm extreme tweaking tab its 2400mhz but when i go to MAIN tab its showing there 1333mhz. i am not understanding why this happening i also enabled XMB but nothing change. Please guys help me.

 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  

×