Overclocking E8500 on a ga-ep45-ud3p need help

[dvohwinkel]

Hi I have an E8500 (E0 Stepping) on a GA-EP45-UD3P (BIOS F8) with Crucial Ballistix 2x2G...

I'm getting stuck on overclocking the cpu and am in need of some help.. I have the memory stable @ 500

with these settings

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MB Intelligent Tweaker(M.I.T.)
  Robust Graphics Booster ...............:       Auto
  CPU Clock Ratio ..........................:        8

  Fine CPU Clock Ratio.....................:.     0

  CPU Frequency ...........................:       4.00Ghz
   
   
  Clock Chip Control 
  Standard Clock Control
  CPU Host Clock Control..................: [Enabled] 
  CPU Host Frequency (Mhz) ............: 500 Mhz
  PCI Express Frequency (Mhz) .........:100
   
  C.I.A.2 .................................:[Disabled]
   
   
  Advanced Clock Control [Press Enter]
  CPU Clock Drive...........................:  [800mV]   (default)
  PCI Express Clock Drive.................: [900mV] (default)
  CPU Clock Skew (ps)....................:   [0ps]         (default)
  MCH Clock Skew (ps)...................:   [0ps] (default)
   
   
  DRAM Performance Control
  Performance Enhance...................: [Standard]
  Extreme Memory Profile (X.M.P.).....: [Disabled]
  (G)MCH Frequency Latch...............: [Auto]
  System Memory Multiplier ..............: [2.00D]
  Memory Frequency (Mhz) ..............: 500   1000
  DRAM Timing Selectable ................: [Manual]
   
  Standard Timing Control
  CAS Latency Time........................5
  tRCD .........................................5
  tRP'...........................................5
  tRAS..........................................15
   
  Advanced Timing Control
  tRRD...........................................3 
  tWTR..........................................3
  tWR............................................5
  tRFC...........................................50
  tRTP...........................................3 
  Command Rate (CMD) ....................:2 
   
  Driving Strength Profiles
  Driving Strength ............................1060Mhz
   
  Channel A
  Static tRead Value.........................:9 [Auto]
   tRD Phase0 Adjustment...................:<<< Leave for all below as well
  tRD Phase1 Adjustment...................:Auto
   tRD Phase2 Adjustment .................:Auto
   tRD Phase3 Adjustment..................:Auto
  Trd2rd(Different Rank)....................:Auto 
  Twr2wr(Different Rank)...................:Auto 
  Twr2rd(Different Rank)...................:Auto 
  Trd2wr(Same/Diff Rank)..................:Auto 
  Dimm1 Clock Skew Control...............:Auto  ps
  Dimm2 Clock Skew Control...............:Auto  ps
  DDR Write Training..........................:Auto
   
  Channel B
  Static tRead Value.........................:9 [Auto]
   tRD Phase0 Adjustment...................:<<< Leave for all below as well
  tRD Phase1 Adjustment...................:Auto
   tRD Phase2 Adjustment .................:Auto
   tRD Phase3 Adjustment..................:Auto
  Trd2rd(Different Rank)....................:Auto 
  Twr2wr(Different Rank)...................:Auto 
  Twr2rd(Different Rank)...................:Auto 
  Trd2wr(Same/Diff Rank)..................:Auto 
  Dimm1 Clock Skew Control...............:Auto  ps
  Dimm2 Clock Skew Control...............:Auto  ps
  DDR Write Training..........................:Auto
   
  Motherboard Voltage Control
  CPU
  Load-Line Calibration.........................: [Disabled]  (default)
  CPU Vcore�.���.........................:1.25000V 
  CPU Termination�...........................:1.200V
  CPU PLL�������..................:1.500V
  CPU Referen.����.....................:0.760V
   
   
  MCH/ICH
  MCH Core�����.....1.100V...........: [1.260V]
  MCH Reference�.��.0.800V...........; [0.720V]
  MCH/DRAM Ref.�......0.900V...........: [Normal]  <<< Leave
  ICH I/O������.....1.5500V...........: [1.5700V]
  ICH Core����...��1.100V............: [1.2000V] 
   
  DRAM
  DRAM Voltage ��....1.800V............: 2.000V
  DRAM Termination .�0.900V............: <<< Leave
  Channel A Reference 0.900V............: <<< Leave
  Channel B Reference 0.900V............: <<< Leave
   
  Advanced Settings
  Limit CPUID Max. to 3.....................: [Disabled]
  No-Execute Memory Protect............: [Enabled]
  CPU Enhanced Halt (C1E)................: [Enabled]
  C2/C2E State Support....................: [Enabled]
  x C4/C4E State Support..................: [Enabled]
  CPU Thermal Monitor 2(TM2) ...........: [Enabled]
  CPU EIST Function.........................: [Disabled]
  Virtualization Technology................: [Enabled] Enabled if you use Vmware/Virtual PC
   
  Integrated Peripherals
  Legacy USB Storage Detect ..............[Enabled] *Note* Must be enabled to flash from USB

So I took the stock 3.125Ghz CPU with stock cpu voltages to 4.0Ghz without issue.... Yes I am ecstatic!!
But I got the speed bug... and I need to know what this baby can do on good air-cooling..

Here is the problem.. I keep incrementing my Vcore by one step.. and I can get windows to boot.. but then it crashes or prime95 gives a rounding error. Even after tons of reading I still don't get how to bump Vcore, Vtt, CPUpll, and CPUref. I went all the way from Vcore =1.250 to 1.320 in the BIOS.. and it's not happy.

My Core temps are @ 55 degrees C... which seems odd.. because they were higher @ stock speed. All while under prime95 testing