This are close to the settings im using for 4GHz, trying to get 4.24GHZ:
// Extreme Tweaker //
Ai Overclock Tuner : Manual
OC From CPU Level Up : Auto
CPU Ratio Setting : 9.0
FSB Strap to North Bridge : 333MHz
FSB Frequency : 450
PCI-E Frequency : 100

DRAM Frequency : DDR2-1080MHz
DRAM Command Rate : 2N
DRAM CMD Skew on Channel A : Auto
DRAM CMD Skew on Channel B : Auto
DRAM CLK Skew on Channel A : Auto
DRAM CLK Skew on Channel 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 Precharge 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 Delay (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: Disabled
Ai Clock Twister : Stronger
Transaction Booster : Manual

Common Performance Lvl: 7
Pull-In of CHA PH1: Disabled
Pull-In of CHA PH2: Disabled
Pull-In of CHA PH3: Disabled
Pull-In of CHA PH4: Disabled
Pull-In of CHB PH1: Disabled
Pull-In of CHB PH2: Disabled
Pull-In of CHB PH3: Disabled
Pull-In of CHB PH4: Disabled

CPU Voltage : 1.36978V
CPU PLL Voltage : 1.50V
North Bridge Voltage : 1.533V
DRAM Voltage : 2.20V
FSB Termination Voltage : 1.20V
South Bridge Voltage : 1.100V
SB 1.5V Voltage : 1.50V
Loadline Calibration : Enabled
CPU GTL Voltage Reference : 0.63x
NB GTL Voltage Reference : 0.67x
DRAM Controller Voltage REF : REF_Normal
DRAM Channel A Voltage REF : REF_Normal
DRAM Channel B Voltage REF : REF_Normal

CPU Spread Spectrum : Disabled
PCIE Spread Spectrum : Disabled
CPU Clock Skew : Delay 200ps
NB Clock Skew : Auto

// Advanced // CPU Configuration //
CPU Ratio Control : 9
C1E Suppport : Disabled
CPU TM Function : Disabled
Vanderpool Technology : Disabled
Execute Disable Bit : Disabled
Max CPUID Value Limit : Disabled