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Asus Rampage Extreme and TWIN3X4096-1600C7DHXIN


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When installing, it take forever, and i frequently get blue screens.


Can someone tell me the setting i need to put into BIOS to get this thing to run right.

I installed windows once and was able to play UT3 but it crashed on me.

Also when i go into windows i get blue screens or it just restarts.


I really hope my ram is not bad.

I did mem test with them and it said it was fine. But im beginning to doubt it.


So i just want to know the settings for my mobo/ram/CPU combo

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is it possible for me to pay to have it shipped for next week and when i get the new ram ill send the old ram back and then i can be refunded the amount i just paid.


The only reason i ask this is, i dont have extra DDR3 lying around and i dont want to have a downed computer for Warhammer.

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  • Corsair Employees
I am sorry but no, we do not have any way to do that type of transaction from Tech support, but you are welcome to call our customer service at 888-222-4346 or 510-657-8747 Ext "0" and see if there is anything that can be done to speed things up.
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so i got the ram to work but only on auto and the ram freq is not 1600 like stated.


The only way i can get it to run is if i do auto.

IF i use xmp it crashes and if i put the setting in manually it crashes to a blue screen.


So basically these sticks dont work at the advertised speeds that i paid the high price for.

what can i do?

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  • 1 month later...

Basically, i need the info of what needs to be changed from default

to get my ram to run at the stated speed with 1600 and not 1333


I can get it to run stable but the performance is poorer. I just want it to run at the speeds that are stated. Why did i pay $450 for ram that will not run at the stated speed?


So provide me with EVERYTHING i need to put in my Asus Rampage Extreme Bios to get these babies to run at 1600 7-7-7-20 while being stable.


Thank you in advance.

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I don't think I have to tell you to run Memtest any time you make changes to your memory subsystem, but I will anyway.

Download Memtest86+ V2.01 from--->

Download CPU-z from

Enter your BIOS. Load setup defaults, save setup defaults and enter these values:

Extreme Tweaker

Ai Overclock Tuner : Manual
Ratio CMOS Setting : 8
FSB Strap to North Bridge : 400
FSB Frequency : 400
PCI-E Frequency: 100

DRAM Frequency: DDR3-1600
DRAM Command Rate : 2T
DRAM Timing Control: Manual
CAS# Latency : 7
RAS# to CAS# Delay : 7
RAS# Precharge : 7
RAS# ActivateTime : 20
RAS# to RAS# Delay : Auto
Row Refresh Cycle Time : 55
Write Recovery Time : Auto
Read to Precharge Time : Auto

Read to Write Delay (S/D): Auto
Write to Read Delay (S): Auto
Write to Read Delay (D): Auto
Read to Read Delay (S): Auto
Read to Read Delay (D): Auto
Write to Write Delay (S): Auto
Write to Write Delay (D): Auto

Write to PRE Delay: Auto
Read to PRE Delay: Auto
PRE to PRE Delay: Auto
ALL PRE to ACT Delay: Auto
ALL PRE to REF Delay: Auto

DRAM Static Read Control: Disabled
DRAM Dynamic Write Control: Disabled
Ai Clock Twister : Auto
Transaction Booster : Auto
EPU II Phase Control: Auto
CPU Voltage : Auto
North Bridge Voltage : 1.40v 
Loadline Calibration : Auto
CPU PLL Voltage : Auto
FSB Termination Voltage : Auto
CPU GTLVref(0): Auto
CPU GTLVref(1): Auto
CPU GTLVref(2): Auto
CPU GTLVref(3): Auto
NB GTLVref: .61

DRAM Voltage : 1.9v
NB DDRVref: Auto
DDR3 ChannelA Vref: Auto
DDR3 ChannelB Vref: Auto
South Bridge 1.5 Voltage: Auto
South Bridge 1.05 Voltage: Auto

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled


Insert a stick in slot 1 (Closest to the CPU) and a stick in slot 3. Run Memtest for two full passes, then (If Stable), enter Windows and post screenshots of CPU-z's CPU, Memory and SPD tabs.

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