Help to overclock E8500 over 500 FSB - UD3P

[bius]

Hi, i need some advices to reach over 500 FSB, now i`m stable at 500x8 but my intentions are reach 530x8 or the max as i can. But my first attempts were frustrating. With 510x8 i got my CPU stable ran ORTHOS 1h small FTT and no errors. But blend test gave error before 1min, so there is some wrong with my settings about the memory. And please take a look and let me know what can i do.




Bios F7 settings

****** Gigabyte EP45 UD3P Bios F7 ******

E8500 500 X 8 4000MHz 

Robust Graphics Booster.........................[ Auto     ] 
CPU Clock Ratio.................................[ 8        ] 
Fine CPU Clock Ratio............................[ 0        ] 
CPU Frequency 4.0GHz...........................[ 500 x 8  ]

******Clock Chip Control******

CPU Host Clock Control..........................[ Enabled  ] 
CPU Host Frequency (Mhz)........................[ 510      ] 
PCI Express Frequency (Mhz).....................[ 100      ] 
C.I.A 2 [Disabled] 

******Advanced Clock Control******

CPU Clock Drive.................................[ 800mv   ] 
PCI Express Clock Drive.........................[ 900mv   ] 
CPU Clock Skew..................................[ 0ps] 
MCH Clock Skew..................................[ 0ps     ] 

******DRAM Performance Control******

Performance Enhance.............................[ Standard ] 
Extreme Memory Profile (XMP)....................[ Disabled ] 
(G) MCH Frequency Latch.........................[ 400MHz   ] 
System Memory Multipler.........................[ 2.00D    ] 
Memory Frequency 1066...........................[ 1000      ] 
DRAM Timing Selectable..........................[ Manual   ] 

CAS Latency Time................................[ 5        ] Tried auto
tRCD............................................[ 5        ] Tried auto
tRP.............................................[ 5        ] Tried auto
tRAS............................................[ 18       ] Tried auto

******Advanced Timing Control******

tRRD............................................[ 4        ] [Auto] 
tWTR............................................[ 4        ] [Auto] 
tWR.............................................[ 8        ] [Auto] 
tRFC............................................[ 68       ] [Auto] Tried 54 ~ 72
tRTP............................................[ 4        ] [Auto] 
Command Rate (cmd)..............................[ 2T       ] 

******Channel A Timing Settings******     

Static tRead Value        [ 11 ] ................[ 9     ] Tried 9,10,11,12
tRD Phase0 Adjustment     [ 1 ] ................[ Auto     ]
tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 

tRD 2rd (Differnt Rank)   [ 6 ] ................[ Auto     ]
tWR 2wr (Differnt Rank)   [ 6] ................[ Auto     ] 
tWR 2rd (Differnt Rank)   [ 5] ................[ Auto     ] 
tRD 2wr (Same/Difft Rank) [ 9 ] ................[ Auto     ] 

Dimm 1 Clock Skew Control.......................[ Auto     ] 
Dimm 2 Clock Skew Control.......................[ Auto     ] 
DDR Write Training..............................[ Auto     ] 

******Channel A Driving Settings****** 

Drive Strength Profile..........................[ Auto     ] 
Data Driving Pull Up Level......................[ Auto     ] 
cmd Driving Pull Up Level.......................[ Auto     ] 
ctrl Driving Pull Up Level......................[ Auto     ]
clk Driving Pull Up Level.......................[ Auto     ]

Data Driving Pull Down Level....................[ Auto     ] 
cmd Driving Pull Down Level.....................[ Auto     ] 
ctrl Driving Pull Down Level....................[ Auto     ] 
clk Driving Pull Down Level.....................[ Auto     ]

******Channel B Timing Settings******     

Static tRead Value        [ 11 ] ................[ 9     ] 
tRD Phase0 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 

tRD 2rd (Differnt Rank)   [ 6 ] ................[ Auto     ]
tWR 2wr (Differnt Rank)   [ 6 ] ................[ Auto     ] 
tWR 2rd (Differnt Rank)   [ 5 ] ................[ Auto     ] 
tRD 2wr (Same/Difft Rank) [ 9 ] ................[ Auto     ] 

Dimm 1 Clock Skew Control.......................[ Auto     ] 
Dimm 2 Clock Skew Control.......................[ Auto     ] 
DDR Write Training..............................[ Auto     ] 

******Channel B Driving Settings****** 

Drive Strength Profile..........................[ Auto     ] 
Data Driving Pull Up Level......................[ Auto     ] 
cmd Driving Pull Up Level.......................[ Auto     ] 
ctrl Driving Pull Up Level......................[ Auto     ]
clk Driving Pull Up Level.......................[ Auto     ]

Data Driving Pull Down Level....................[ Auto     ] 
cmd Driving Pull Down Level.....................[ Auto     ] 
ctrl Driving Pull Down Level....................[ Auto     ] 
clk Driving Pull Down Level.....................[ Auto     ]

******Motherboard Voltage Control******

Load-Line Calibration...........................[ Disabled ] 
CPU Vcore         [ 1.25000 ]...................[ 1.36250 ] Tried ~ 1.38250
CPU Termination   [ 1.20    ]...................[ 1.30  ]
CPU PLL           [ 1.50    ]...................[ 1.5000  ]  
CPU Reference     [ 0.760   ]...................[Normal     ] 

MCH Core          [1.100    ]...................[ 1.400   ]  Tried 1.420
MCH Reference     [0.760    ]...................[ 0.823     ] Tried 0.700 ~0.760 (ET6)
MCH/DRAM Refernce [0.900    ]...................[ Normal     ] 
ICH I/O           [1.500    ]...................[ 1.500     ] 
ICH Core          [1.100    ]...................[ 1.100   ] 

DRAM Voltage      [1.800    ]...................[ 2.060    ] Tried ~ 2.200
DRAM Termination  [0.900    ]...................[ Normal   ] 
Channel A Ref     [0.900    ]...................[ Normal     ] 
Channel B Ref     [0.900    ]...................[ Normal     ]  

******Advanced BIOS Features******

Limit CPUID Max to 3............................[ Disabled ] 
No-Execute memory Protect.......................[ Enabled  ]  
CPU Enhance Halt (CIE)..........................[ Disabled ]  
C2/C2E State Support............................[ Disabled ]  
C4/C4E State Support............................[ Disabled ] 
CPU Thermal Monitor.............................[ Disabled  ] 
CPU EIST Function...............................[ Disabled ] 
Virtualization Technology.......................[ Enabled  ]

*******Integraed Peripherals******
Legacy USB Storage Detect.......................[ Disabled  ]

Thanks!

[SpeedEuphoria]

You prob can use less MCH core, try 1.36v. But moslty a MCH ref is not right.

[Chrono Detector]

When I had my E8500 I overclocked mine at 422 bus speed with a 9.5 multiplier with volts at 1.376 without any issues.

[bius]

Updated settings

You prob can use less MCH core, try 1.36v. But moslty a MCH ref is not right.

No I can`t, unfortunately i tested before and didnt work, and now the same even with 1.42v my MCH ref should be right betwen 0.720 and 0.760 but doesnt.

Any suggestion?

[bius]

I`m really don`t know what i can do to get stable over 500 FSB... Now i`m playing with 520 but my goal is 530, But i tried every possible combination in BIOS and in ET6 but doesn`t work very well, With settings below i can run ORTHOS small FTT for 20 min then program crash. Blend test fails immediately. I saw many people getting stable at 550, 540... etc, i believe i can do that as well just need figure out how.

[SpeedEuphoria]

If it fails small FFT, then adjust the CPU reference

[kick]

your cpu core voltage looks low for that speed and u may have to enable llc.I was getting up to.06 vdroop without it ,
The memory i dont know about.. ,just drop the cpu multiplier and see whats the max mem boot you can get.

[Nickel020]

Try lowering the multiplier and see if that helps with increasing the FSB (just for testing until you find what's wrong). That way you make the CPU run cooler and it helps you isolate the factor that is limiting you.

[bius]

If it fails small FFT, then adjust the CPU reference

I`ll try that thanks. After many times moving the voltages up and down i realize that my bord doesn`t like high voltage... but let`s try again.

your cpu core voltage looks low for that speed and u may have to enable llc.I was getting up to.06 vdroop without it ,
The memory i dont know about.. ,just drop the cpu multiplier and see whats the max mem boot you can get.

i read that LLC enabled maybe burn CPU, at that voltage...

Try lowering the multiplier and see if that helps with increasing the FSB (just for testing until you find what's wrong). That way you make the CPU run cooler and it helps you isolate the factor that is limiting you.

Good advice, i`ll try that as well.

[alin]

Hello guys, i`m new on this forum .......i have an E8500 with an EP45-DS3L ( F8 BIOS )and 4 gb RAM (Kingmax DDR2 800mhz )- after reading and tweaking ( following advices from this forum ) i managed to get my cpu at 3600 mhz (450x8 ) and a rated fsb 1800 stable (orthos ).....
I tryed BIUS settings but it seems i cant reach 500x8 - the computer doesnt even boot .......im not interested in a very high frequency but rather in the highest stable rated FSB i can reach ( if i could achieve 500x8 id have 2000 , now im stuck at 1800 ).......any help or advice is more than wellcomed