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Discussion Starter #1
As the title states I need some help! Here's my BIOS template:

Code:
Code:
[CODE]
ASUS Rampage Formula BIOS 0407 Template

*Extreme Tweaker*
Ai Overclock Tuner               [Manual]
CPU Ratio Setting                []
FSB Strap to North Bridge        [Auto]
FSB Frequency                    [300]
PCIE Frequency                   [100]

DRAM Frequency                   [800MHz]
DRAM Command Rate                [2T]
DRAM CMD Skew on Channal A       [Auto]
DRAM CMD Skew on Channal B       [Auto]
DRAM CLK Skew on Channal A       [Auto]
DRAM CLK Skew on Channal B       [Auto]

DRAM Timing Control              [Manual]
 1st Information
  CAS# Latency                   [5]
  RAS# to CAS# Delay             [5]
  RAS# PRE Time                  [5]
  RAS# ACT Time                  [15]
  RAS# to RAS# Delay             [Auto]
  REF Cycle Time                 [Auto]
  WRITE Recovery Time            [Auto]
  READ to PRE Time               [Auto]
 2nd Information
  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 Dealy (D)       [Auto]
 3rd Information
  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         [Auto]
Ai Clock Twister                 [Auto]
Ai Transation Booster            [Auto]
  Common Performance Booster     [Auto]

  Pull-In of CHA PH1             [Auto]
  Pull-In of CHA PH2             [Auto]
  Pull-In of CHA PH3             [Auto]
  Pull-In of CHA PH4             [Auto]
  Pull-In of CHA PH5             [Auto]
  Pull-In of CHA PH6             [Auto]
  Pull-In of CHB PH1             [Auto]
  Pull-In of CHB PH2             [Auto]
  Pull-In of CHB PH3             [Auto]
  Pull-In of CHB PH4             [Auto]
  Pull-In of CHB PH5             [Auto]
  Pull-In of CHB PH6             [Auto]

CPU Voltage                      [1.375V]
CPU PLL Voltage                  [Auto]
DRAM Voltage                     [1.8V]
Northbridge Voltage              [1.39V]
FSB Termination Voltage          [Auto]
South Bridge Voltage             [Auto]
SB 1,5V Voltage                  [Auto]
Loadline Calibration             [Enabled]
CPU GTL Voltage Reference        [Auto]
NB GTL Voltage Reference         [Auto]
DRAM Controller Voltage REF      [Auto]
DRAM Channel A Voltage REF       [Auto]
DRAM Channel B Voltage REF       [Auto]

CPU LED Selection                [Auto]
NB LED Selection                 [Auto]
SB LED Selection                 [Auto]
Voltiminder LED                  [Auto]

CPU Spread Spectrum              [Disabled]
PCIE Spred Spectrum              [Disabled]

*Advanced settings*
CPU Ratio Setting                [12.5x]
C1E Support                      [Disabled]
CPU TM Function                  []
Vanderpool Technology            []
Execute Disable Bit              []
Max CPUID Value Limit            []
[/CODE]
I know there's something wrong because I can only be stable at this overclock (3.75GHz) with 1.39V on the Northbridge, but I managed to hit 350MHz stable with voltage at 1.25V. Any help?
 

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4GHz with a 12.5* multiplier = 4000/12.5=320 so you should be running your FSB at 320MHz.

To make the overclock more stable, you will either need to add to the VCore and/or to the Northbridge, still keep an eye on temperatures though.
 

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Discussion Starter #4
Quote:

Originally Posted by TekWarfare View Post
4GHz with a 12.5* multiplier = 4000/12.5=320 so you should be running your FSB at 320MHz.

To make the overclock more stable, you will either need to add to the VCore and/or to the Northbridge, still keep an eye on temperatures though.
Why would I need to add Northbridge voltage if it's stable through 350MHz without an increase?

Quote:

Originally Posted by Fyi? View Post
I find it always easier to start with more Vcore- gives more room at a time. Just watch those Temps.
I'm getting 57ºC under load with my TRU-90 in passive mode, think I can push a bit.

Don't I have to change my CPU PLL or Northbridge Termination voltages? Think turning one of those might let me run at a lower vCore and stock Northbridge voltage. Any ideas?
 
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