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Thread: Q9550 + EP45-UD3P lower my temps for 3.8 to 4.0?




  1. #1
    Join Date
    Feb 2009
    Posts
    15

    Default Q9550 + EP45-UD3P lower my temps for 3.8 to 4.0?

    While not new to overclocking I am no guru in core voltage relationships.
    I believe I am stable at 3.8 below.
    Prime95 at 3.8 GHz gives me core temps in the mid 60's.
    Prime95 at 4.0 GHz with 1024K passes were again in the mid 60's but
    the 8K tests shot two cores in the low 70's so I quit to get more advice.
    For 4.0 I did have to jack some voltages (CPU 1.3, and others).
    [current temps at 3.8 GHz with folding@home smp 68-64-63-61, cpu 58.]

    I am looking for advice on where I may be able to go from here and
    what 8x500 may do instead of 8.5x471.
    Thanks

    Code:
                       4.2/09
            450
    MB Intelligent Tweaker(M.I.T.)    default    
    Robust Graphics Booster ...............: Auto or Fast        Auto
    CPU Clock Ratio ..........................: 9        8
    Fine CPU Clock Ratio.....................:.0        0.5
    CPU Frequency ...........................: 3.00    calc    3.825
    Clock Chip Control         
    Standard Clock Control        
    CPU Host Clock Control..................: [Enabled]         Enabled
    CPU Host Frequency (Mhz) ............: 333Mhz        450
    PCI Express Frequency (Mhz) .........:Set to 100        100
    C.I.A.2 .................................:[Disabled]        Disabled
    Advanced Clock Control [Press Enter]        
    CPU Clock Drive...........................: <<< 800    800    800
    PCI Express Clock Drive.................: <<< 900    900    900
    CPU Clock Skew (ps)....................: <<< 50-150 (Can help with stability)    0    0
    MCH Clock Skew (ps)...................: <<< 150-250 (Can help with stability)    0    0
    DRAM Performance Control        
    Performance Enhance...................: [STANDARD]        Standard
    Extreme Memory Profile (X.M.P.).....: Disabled        Disabled
    (G)MCH Frequency Latch...............: [Auto]        400
    System Memory Multiplier ..............: 3.20B        2.00D
    Memory Frequency (Mhz) ..............: 1066        900
    DRAM Timing Selectable ................: [Manual]        Manual
    Standard Timing Control        
    CAS Latency Time........................5        5
    tRCD .........................................5        4
    tRP'...........................................5        4
    tRAS..........................................15/18        12
    Advanced Timing Control        
    tRRD...........................................3-4    3    4
    tWTR..........................................3-6    3    5
    tWR............................................4-6    6    6
    tRFC...........................................52-62    52    60
    tRTP...........................................3-5    3    6
    Command Rate (CMD) ....................:2    0    2
    Driving Strength Profiles        
    Driving Strength ............................800-1200 (Test all three last) Set 1066 for now        
    Channel A        
    Static tRead Value.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH    10    9
     tRD Phase0 Adjustment...................:<<< Leave for all below as well        
    tRD Phase1 Adjustment...................:Auto for all rest        
    Channel B        
    Static tRead Value.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH    10    9
     tRD Phase0 Adjustment...................:<<< Leave for all below as well        
    tRD Phase1 Adjustment...................:Auto for all rest        
            
    page 2        
    Motherboard Voltage Control        
    Voltage Type.………... Manual        
    CPU        
    Load Line Control        Enabled
    CPU Vcore….……….........................: CoreTemp VID 1.2625    1.2625    1.2625
    CPU Termination…..... 1.200V*.......: <<< 1.24-1.38    1.2    1.24
    CPU PLL…………………....1.500V*.......: << Please set to stock    1.5    1.5
    << Please set to stock, Auto overvolts this way to much        
    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt     0.76    Auto
     <<< .64% Of Vtt (Termination above) Auto Will set this correctly         
    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt         
    <<< .67% Of Vtt (Termination above) Auto Will set this correctly         
    MCH/ICH        
    MCH Core…………….....1.100V...........: << 1.24-1.35    1.1    1.24
    MCH Reference….…….0.800V...........; <<< Leave    0.76    Auto
    MCH/DRAM Ref.…......0.900V...........: <<< Leave    0.9    Auto
    ICH I/O……………….....1.550V............: <<< 1.55-1.6    1.5    1.57
    ICH Core…………...……1.100V............: <<< 1.14-1.25    1.1    1.2
    DRAM        
    DRAM Voltage ……....1.800V............: 2.0-2.1    1.8    2.02
    DRAM Termination .…0.900V............: <<< Leave        Auto
    Channel A Reference 0.900V............: <<< Leave        Auto
    Channel B Reference 0.900V............: <<< Leave        Auto
    Advanced Settings        
    Limit CPUID Max. to 3.....................: [Disabled]        Disabled
    No-Execute Memory Protect............: [Enabled]        Enabled
    CPU Enhanced Halt (C1E)................: [Disabled]        Disabled
    C2/C2E State Support....................: [Disabled]        Disabled
    x C4/C4E State Support..................: [Disabled]        Disabled
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]        Enabled
    CPU EIST Function.........................: [Disabled]        Disabled
    Virtualization Technology................: [Disabled] Enabled if you use Vmware/Virtual PC        Disabled
    Integrated Peripherals        
    USB 1 Controller ..............[Disabled] *Note* Must be enabled to flash from USB        Enabled

  2. #2
    Join Date
    Feb 2009
    Posts
    15

    Default Re: Q9550 + EP45-UD3P lower my temps for 3.8 to 4.0?

    bump

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