well it seems i spoke too soon.it's not stable so i have concentrated on getting stable at 4.2
heres my bios settings
CPU Clock Ratio............................22
CPU Frequency ........................4.20(GHz)
Intel(R) Turbo Boost Tech..................enabled
CPU Cores Enabled..........................ALL
CPU Multi Threading........................enabled
CPU Enhanced Halt (C1E).................Disabled
C3/C6/C7 State Support...................Disabled
CPU Thermal Monitor........................Disabled
CPU EIST Function..........................Disabled
Bi-Directional PROCHOT....................Disabled
Virtualization Technology..................Disabled
Uncore & QPI Features [Enter]
QPI Clock Ratio*...........................x36
QPI Link Speed* ......................6.87(GHz)
Uncore Clock Ratio.........................x17
Uncore Frequency......................3247(MHz)
Isochronous Support........................Enabled
Advanced Clock Control [Enter]
~~~Standard Clock Control
Base Clock (BCLK) Control*.................Enabled
BCLK Frequency (MHz)*......................191
PCI Express Frequency (MHz)................Auto
~~~Standard Clock Control
CPU Clock Drive (mV).......................800
PCI Express Clock Drive (mV).............900
CPU Clock Skew (ps)........................0
IOH Clock Skew (ps)........................0
Advanced Dram Features [Enter]
Performance Enhance........................Standard
Extreme Memory Profile (X.M.P.)............disabled
System Memory Multiplier (SPD).............8.0
Memory Frequency (MHz).....................1600
DRAM Timing Selectable (SPD) ..............Quick
Channel Interleaving.......................Auto
Rank Interleaving...........................Auto
Channel A, B, & C Timing Settings Sub Menu [Enter]
~~~Channel A, B, & C Standard Timing Control
Cas Latency Time.....................9
tRCD......................................9
tRP........................................9
tRAS......................................24
~~~Channel A, B, & C Advanced Timing Control
tRC........................................Auto
tRRD ......................................Auto
tWTR ......................................Auto
tWR........................................Auto
tWTP.......................................Auto
tWL........................................Auto
tRFC.......................................Auto
tRTP.......................................Auto
tFAW.......................................Auto
Command Rate (CMD) ........................Auto
~~~Channel A, B, & C Misc Timing Control
B2B CAS Delay..............................Auto
Round Trip Latency.........................Auto
Channel A, B, & C Turnaround Setting [Enter]
~~~Channel A, B, & C Reads Followed By Reads
Different DIMMs............................Auto
Different Ranks............................Auto
On The Same Rank...........................:Auto
~~~Channel A, B, & C Writes Followed By Writes
Different DIMMs............................Auto
Different Ranks............................Auto
On The Same Rank...........................Auto
Advanced Voltage Control [Enter]
~~~CPU Voltages
LoadLine Calibration.......................Level 2
CPU Vcore..................................1.33750
QPI/VTT Voltage............................1.255
CPU PLL....................................1.880
~~~MCH/ICH Voltrage
PCIE.......................................Auto
QPI PLL....................................1.100
IOH Core...................................1.120
ICH I/O....................................Auto
ICH Core...................................Auto
~~~Dram
DRAM Voltage...............................1.660
DRAM Termination...........................Auto
Ch-A Data VRef.............................Auto
Ch-B Data VRef.............................Auto
Ch-C Data VRef.............................Auto
Ch-A Address VRef..........................Auto
Ch-B Address VRef..........................Auto
Ch-C Address VRef..........................Auto
__________________
now,i think the vcore looks a bit high for 4.2ghz but it just won't go lower.
are there any settings i can tweak to allow the vcore to go lower??