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Thread: Help with stable overclock UD3P and E8400




  1. #1
    Join Date
    Mar 2009
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    Default Help with stable overclock UD3P and E8400

    Code:
    ******Gigabyte EP45 UD3P******
    
    E8400 445 X 9 4005MHz 
    
    Robust Graphics Booster.........................[ Standard   ] 
    CPU Clock Ratio.................................[ 9        ] 
    Fine CPU Clock Ratio............................[ 0        ] 
    CPU Frequency 4.35GHz...........................[ 445 x 9  ]
    
    ******Clock Chip Control******
    
    CPU Host Clock Control..........................[ Enabled  ] 
    CPU Host Frequency (Mhz)........................[ 445     ] 
    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.........................[ Auto ] 
    System Memory Multipler.........................[ 2.00D  ] 
    Memory Frequency 800...........................[ 890  ] 
    DRAM Timing Selectable..........................[ Manual ] 
    
    CAS Latency Time................................[ 5        ] 
    tRCD............................................[ 5        ] 
    tRP.............................................[ 5        ] 
    tRAS............................................[ 12     ] 
    
    
    
    ******Motherboard Voltage Control******
    
    Load-Line Calibration [Enabled] 
    CPU Vcore         [ 1.200   ]...................[ 1.36250 ] 
    CPU Termination   [ 1.20    ]...................[ 1.20   ]
    CPU PLL           [ 1.50    ]...................[ 1.50  ]
    CPU Reference     [ 0.766   ]...................[ 0.766   ] 
    
    MCH Core          [1.1      ]...................[ 1.26 ]  
    MCH Reference     [0.760    ]...................[ Normal  ] 
    MCH/DRAM Refernce [0.900    ]...................[ Normal ] 
    ICH I/O           [1.500    ]...................[ Normal] 
    ICH Core          [1.100    ]...................[ 1.2] 
    
    DRAM Voltage      [1.800    ]...................[ 2.10  ] 
    DRAM Termination  [0.900    ]...................[ Auto] 
    Channel A Ref     [0.900    ]...................[ Auto] 
    Channel B Ref     [0.900    ]...................[ Auto]  
    
    ******Advanced BIOS Features******
    
    CPU Multithreading..............................[ Enabled ] 
    Limit CPUID Max to 3............................[ Enabled ] 
    No-Execute memory Protect.......................[Disabled ]  
    CPU Enhance Halt (CIE)..........................[ Disabled ]  
    C2/C2E State Support............................[ Disabled ]  
    C4/C4E State Support............................[ Disabled ] 
    CPU Thermal Monitor.............................[ Enabled ] 
    CPU EIST Function...............................[ Enabled ] 
    Virtualization Technology.......................[ Enabled]
    I'm at a complete loss atm I had a P35 board from gigabyte before but was having some trouble with a resetting bios so I decided to get this board but I cannot get it stable..with the p35 the settings were simple and it was able to run orthos blend nearly 15 hrs+ fine..at 4ghz and the ram at 890mhz at 5-5-5-12 (btw the ram is 4X1GB patriot low latency) for over a year

    With these current settings I'm able to get to the one hour mark then orthos will fail.

    MCH from 1.2v - 1.28v all get the same time within a few mins of each other 55- 1hour 7 mins was the longest it lasted. 1.3v and windows will fail to load just reboot If I change ICH it will fail within 10 mins that stays at 1.2

    If I change anything to do with the cpu (pll, termination, ref) other than normal and the Vcore I have it set at it will fail within 10-15 mins. Vcore even 1 down will faill within 5-10 mins... 1 up same thing

    Changing the system memory multiplier to 2.00B I get the same problem of failing within 10-15 mins 2.00D seems to be the only one that works

    Also if I change the memory timings to anything else other than 5-5-5 such as 6-6-6 so on the comp will just go into a reboot loop

    I left those bottom settings enabled it didn't seem to make any difference

    Hopefully someone can help me out here I don't know what to do anymore lol

    Thanks
    Last edited by crackrabbit; 03-20-2009 at 11:52 AM.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Help with stable overclock UD3P and E8400

    I do see several things you are doing wrong, and a few you will have to work on later as we move along.

    Yes, P45 is a tricky beast! For sure when it comes to chipset voltages and strap settings and other related settings.

    MCH Ref may need adjusted, but we will think about that later as I do think you need some things changed to Auto and some others then adjusted to get moving along. If you do want to look into MCH Ref, see the link in my signature but I do advise working on that later as it will just complicate things for you now I think until you get a bit more stable

    Can you please link me to your ram so I can be sure of what to best advise. For now I will give you some settings with general things that need to be changed until then

    This should get you along better, but I need to know what ram to best advise further >>>
    Code:
    Robust Graphics Booster.........................[ Standard or Fast   ] 
    CPU Clock Ratio.................................[ 9        ] 
    Fine CPU Clock Ratio............................[ 0        ] 
    CPU Frequency 4.35GHz...........................[ 445 x 9  ]
    
    ******Clock Chip Control******
    
    CPU Host Clock Control..........................[ Enabled  ] 
    CPU Host Frequency (Mhz)........................[ 445     ] 
    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.........................[ Auto ] 
    System Memory Multipler.........................[ 2.00D  ] 
    Memory Frequency 800...........................[ 890  ] 
    DRAM Timing Selectable..........................[ Manual ] 
    
    CAS Latency Time................................[ 5        ] 
    tRCD............................................[ 5        ] 
    tRP.............................................[ 5        ] 
    tRAS............................................[ 12     ] 
    
    Set all Suggested below to highest Values first.  Then later you can lower, one at a time, testing as you go
    
    Advanced Timing Control
    tRRD...........................................3-4
    tWTR.......................................... 4-6
    tWR............................................ 4-8
    tRFC...........................................52-64
    tRTP...........................................3-5
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................ 1066 (Normally easier/better after 800Mhz ram speed, if no luck set 800.  Do this setting last though after all others are working)
    
    Channel A
    Static tRead Value.........................:9-10 << Set this manually at this amount for now
     tRD Phase0 Adjustment...................:Auto <<< 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
    
    Channel B
    Static tRead Value.........................:9-10 << Set this manually at this amount for now
     tRD Phase0 Adjustment...................:Auto <<< 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
    
    ******Motherboard Voltage Control******
    
    Load-Line Calibration [Enabled] 
    CPU Vcore         [ 1.200   ]...................[ 1.36250 ] << What does this give you in windows at Idle and Load?
    
    CPU Termination   [ 1.20    ]...................[ 1.20   ] << Not enough for sure.  I would start with 1.30/1.32 and work backwards later
    
    CPU PLL           [ 1.50    ]...................[ 1.50  ] << Set 1.55-1.58
    CPU Reference     [ 0.766   ]...................[ 0.766   ] << Set Auto
    
    MCH Core          [1.1      ]...................[ 1.2 ]  << May need 1.24 (If you have luck with 1.2 leave it for now)
    
    MCH Reference     [0.760    ]...................[ Auto  ] 
    MCH/DRAM Refernce [0.900    ]...................[ Auto ] 
    ICH I/O           [1.500    ]...................[ Auto] << Set 1.55
    ICH Core          [1.100    ]...................[ 1.2]  << Likely not needed, I know you want to leave this.  What GFX Card do you have and how many Hard drives?  I would suggest 1.14-1.16 if you can get it going, 1.2 wont hurt but is not often needed
    
    DRAM Voltage      [1.800    ]...................[ 2.10  ] 
    DRAM Termination  [0.900    ]...................[ Auto] 
    Channel A Ref     [0.900    ]...................[ Auto] 
    Channel B Ref     [0.900    ]...................[ Auto]  
    
    ******Advanced BIOS Features******
    
    CPU Multithreading..............................[ Enabled ] <<< Disabled
    Limit CPUID Max to 3............................[ Enabled ] 
    No-Execute memory Protect.......................[Disabled ]  
    CPU Enhance Halt (CIE)..........................[ Disabled ]  
    C2/C2E State Support............................[ Disabled ]  
    C4/C4E State Support............................[ Disabled ] 
    CPU Thermal Monitor.............................[ Enabled ] 
    CPU EIST Function...............................[ Enabled ] << Disabled
    Virtualization Technology................: [Disabled] Enabled if you use Vmware/Virtual PC
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

  3. #3
    Join Date
    Mar 2009
    Posts
    3

    Default Re: Help with stable overclock UD3P and E8400

    2 freakin days I didn't know what the hell I was doing I turned the mch ref down to 0.720 this morning before I left it's now at 12 hours and running orthos blend after reading about it on a thread god damn
    <<< System Summary >>>
    > Power Supply: Corsair VX550W
    > Mainboard : Gigabyte P45-UD3P
    > Chipset : Intel P45
    > Processor : Core 2 Duo E8400 Wolfdale 3.0GHz @ 4005 MHz (C0 stepping)
    > Physical Memory : Patrio Low Latency 4GB (4 x 1GB)
    > Video Card : Sapphire 4870 1GB
    > Operating System : Windows XP 32 Bit

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Help with stable overclock UD3P and E8400

    Nice to hear, Yeap there is a link in my signature for how to setup MCH Ref voltages. Do you think I should make it in Red or larger so more users see the link?

  5. #5
    Join Date
    Mar 2009
    Posts
    3

    Default Re: Help with stable overclock UD3P and E8400

    ya dude good stuff
    <<< System Summary >>>
    > Power Supply: Corsair VX550W
    > Mainboard : Gigabyte P45-UD3P
    > Chipset : Intel P45
    > Processor : Core 2 Duo E8400 Wolfdale 3.0GHz @ 4005 MHz (C0 stepping)
    > Physical Memory : Patrio Low Latency 4GB (4 x 1GB)
    > Video Card : Sapphire 4870 1GB
    > Operating System : Windows XP 32 Bit

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