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Thread: Can't boot with changed settings in BIOS




  1. #1
    Join Date
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    Question Can't boot with changed settings in BIOS

    Hi,

    so recently I bought a new PC and I intend to do some OC on it. I have a EP45-DS3L mb, Q9450 cpu, 2x 2GB PC8500 DDR2 OCZ's, a good VGA and my cooling seems to be also in order (in BIOS, my CPU t. shows 19-23C). The problem is, whenever I change some basic values in BIOS, it does not boot, then restarts and boots up with defoult values. It happens even if all I change is CPU's Bus speed and add a few (like 5-10) units. I figure it should boot these settings without any adjustments to voltage...

    I'm pretty much new to this OC thing, so please ask if there are some values or some other properties of my PC I should give to you before you can help me...

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Can't boot with changed settings in BIOS

    What are you changing? 2x2GB needs some general for sure things set such as MCH voltage, ram voltage and trfc of 52-62 at least.

    PCI Express should be set to 100 for overclocking, which you are doing. And performance Enhance should be set to Standard. If you are still having issues let me know and I will help. Post your full settings you try that fail and I will advise >>>>

    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: 
    CPU Clock Ratio ..........................: 
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 
    PCI Express Clock Drive.................: <<< 
    CPU Clock Skew (ps)....................: <<< 
    MCH Clock Skew (ps)...................: <<< 
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 
    Memory Frequency (Mhz) ..............: 
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................
    tRCD .........................................
    tRP'...........................................
    tRAS..........................................
    
    Advanced Timing Control
    tRRD...........................................
    tWTR..........................................
    tWR............................................
    tRFC...........................................
    tRTP...........................................
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................
    
    Channel A
    Static tRead Value.........................:7-10
     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
    
    Channel B
    Static tRead Value.........................:7-10
     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
    
    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt (Termination above)
    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt (Termination above)
    
    MCH/ICH
    MCH Core…………….....1.100V...........: << 
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave
    
    DRAM
    DRAM Voltage ……....1.800V............: 
    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)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

  3. #3
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    Default Re: Can't boot with changed settings in BIOS

    never mind...updating BIOS did the trick...

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Can't boot with changed settings in BIOS

    Ahh, glad you got going! Post back if you run into anymore issues

  5. #5
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    Jul 2008
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    Default Re: Can't boot with changed settings in BIOS

    ok, got to a checkpoint running at 3.44Ghz, anything more and it starts to crash, or isn't booting (freezing at Windows loading screen and such...)
    Am doing tests with prime 95 now... And I was wondering for how long should my system be able to run these stress tests without failing in any core? I was doing the default one and one core failed after 40 minutes... (I'm doing this on 32 bit XP SP3)

    here are the BIOS details:

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3.44
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: 430 Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<< 100
    MCH Clock Skew (ps)...................: <<< 150
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 2
    Memory Frequency (Mhz) ..............: 804
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................16
    
    Advanced Timing Control
    tRRD...........................................5
    tWTR..........................................5
    tWR............................................5
    tRFC...........................................55
    tRTP...........................................5
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................ don't remember having this one
    
    Channel A
    Static tRead Value.........................:7-10
     tRD Phase0 Adjustment...................:<<< Auto
    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.........................:7-10
     tRD Phase0 Adjustment...................:<<< Auto
    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
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................: 1.325
    CPU Termination…..... 1.200V*.......: <<< 1.25
    CPU PLL…………………....1.500V*.......: <<< 1.5
    CPU Referen.…………....0.755V*.......: <<< 0.8
    CPU Reference2………,,0.800V*.......:<<< 0.8
    
    MCH/ICH
    MCH Core…………….....1.100V...........: 1.2
    MCH Reference….…….0.800V...........; 0.8
    MCH/DRAM Ref.…......0.900V...........: 0.9
    ICH I/O……………….....1.550V............: 1.55
    ICH Core…………...……1.100V............: 1.2
    
    DRAM
    DRAM Voltage ……....1.800V............: 1.9
    DRAM Termination .…0.900V............: 0.9
    Channel A Reference 0.900V............: 0.9
    Channel B Reference 0.900V............: 0.9
    
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: don't have
    x C4/C4E State Support..................: don't have
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]
    </pre>
    How much further should I expecting my system to OC ? What must I change ?
    Last edited by Shuriken; 10-19-2008 at 04:54 AM.

  6. #6

    Default Re: Can't boot with changed settings in BIOS

    i guess 2.0v(or whatever u like) for ram and 1.24/1.26 for MCH.
    and definitely more vcore,1.38 bios+
    Last edited by Dweirdo; 10-19-2008 at 05:19 AM.

  7. #7
    Join Date
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    Default Re: Can't boot with changed settings in BIOS

    and definitely more vcore,1.38 bios+
    well, Intel says that the max for this (Q9450) CPU is 1.3625V, and I hope to avoid any fatalities...

  8. #8
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Can't boot with changed settings in BIOS

    1.38 set in the BIOS will only be about 1.32 Or less actual, you will be fine. You will not hit 1.36 until about 1.42 set in the BIOS

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