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Thread: Prime95 won't run at 100%




  1. #31
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Prime95 won't run at 100%

    Create your desktop similar to post #16 before you start your next Prime95 stress test.
    The IBT panel is optional, if there's room on the screen.
    Include an additional cpuz MAINBOARD display.
    With Memset, also click on the ">>" icon for more information.
    All this info will help us pinpoint possible problems.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  2. #32
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    Default Re: Prime95 won't run at 100%

    This is IBT first (after 19 passes) I will run P95 next.
    MB Gigabyte EP45-UD3P
    CPU Q9550
    RAM 8 Gigs G-Skil F2-8500CL5 (4 2gig sticks)
    Video Card ATI 4890
    HSF Zalman CNPS9500 AT
    Case Antec Nine Hundred two

  3. #33
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    Default Re: Prime95 won't run at 100%

    success after 20 passes. Those max temps came near the end of the test and were not that high for very long
    MB Gigabyte EP45-UD3P
    CPU Q9550
    RAM 8 Gigs G-Skil F2-8500CL5 (4 2gig sticks)
    Video Card ATI 4890
    HSF Zalman CNPS9500 AT
    Case Antec Nine Hundred two

  4. #34
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    Default Re: Prime95 won't run at 100%

    Code:
    MB Intelligent Tweaker(M.I.T.) 
    Robust Graphics Booster ...............:Fast 
    CPU Clock Ratio ...........................:8 X
    Fine CPU Clock Ratio.....................:+0.5
    CPU Frequency .............................:3.9GHz (459x8.5)
     
    Advanced Clock Control Press Enter 
    CPU Host Clock Control..................:Enabled
    CPU Host Frequency (Mhz) ............:459 
    PCI Express Frequency (Mhz) ........:100 
    C.I.A.2 .................................:Disabled 
     
    CPU Clock Drive..........................:800mV 
    PCI Express Clock Drive...............:900mV 
    CPU Clock Skew (ps)...................:0ps 
    MCH Clock Skew (ps)...................:0ps 
     
    DRAM Performance Control 
    Performance Enhance...................:Standard
    Extreme Memory Profile (X.M.P.).....:Disabled 
    (G)MCH Frequency Latch...............:400
    System Memory Multiplier ..............2.00D
    Memory Frequency (Mhz) ....1066....:918
    DRAM Timing Selectable ................:Manual 
     
    Standard Timing Control 
    CAS Latency Time.............5........6
    tRCD ...............................7........6
    tRP'..................................7........6
    tRAS...............................24.......16
     
    Advanced Timing Control 
    tRRD.......................4.................4
    tWTR......................4..................4
    tWR.........................8.................12
    tRFC........................68...............68
    tRTP.........................4................6
    Command Rate (CMD) .......0........2
     
    Driving Strength Profiles 
    Driving Strength ........................... 1066
     
    Channel A 
    Static tRead Value...............8.....: 10
    tRD Phase0 Adjustment.......0.......: Auto
    tRD Phase1 Adjustment.......0.......: Auto
    tRD Phase2 Adjustment ......0.......: Auto
    tRD Phase3 Adjustment.......0.......: Auto
    Trd2rd(Different Rank)...........8....: Auto
    Twr2wr(Different Rank)..........8....: Auto
    Twr2rd(Different Rank)...........7....: Auto
    Trd2wr(Same/Diff Rank).........9.....: Auto
    Dimm1 Clock Skew Control............: Auto
    Dimm2 Clock Skew Control............: Auto
     
    Channel B 
    Static tRead Value...............8........: 10
    tRD Phase0 Adjustment........1.......: Auto 
    tRD Phase1 Adjustment....... 0.......: Auto
    tRD Phase2 Adjustment .......0.......: Auto
    tRD Phase3 Adjustment........0.......: Auto
    Trd2rd(Different Rank).......... .8.....: Auto
    Twr2wr(Different Rank).......... 8....: Auto
    Twr2rd(Different Rank)........... 7....: Auto
    Trd2wr(Same/Diff Rank)..........9.....: Auto
    Dimm1 Clock Skew Control.............: Auto
    Dimm2 Clock Skew Control.............: Auto
     
    Motherboard Voltage Control 
    Voltage Type.………... Manual 
    CPU
    Load Line Calibration......................:Enabled
    CPU Vcore….…….1.25000V...........:1.25625
    CPU Termination…..... 1.200V........:1.20V
    CPU PLL……………….1.500V.......: 1.57V
    CPU Referennce.……...0.760V.......: 0.760V
     
    MCH/ICH 
    MCH Core……………...1.100V.........:1.300V
    MCH Reference….…….0.760V.........;0.760 
    MCH/DRAM Ref.…......0.900V..........:0.900 
    ICH I/O…………….....1.500V............:1.500V
    ICH Core…………...…1.100V............:1.100V
     
    DRAM 
    DRAM Voltage ……....1.800V..........:2.100
    DRAM Termination .…0.900V...........:Auto 
    Channel A Reference 0.900V............:Auto
    Channel B Reference 0.900V............:Auto
    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
    MB Gigabyte EP45-UD3P
    CPU Q9550
    RAM 8 Gigs G-Skil F2-8500CL5 (4 2gig sticks)
    Video Card ATI 4890
    HSF Zalman CNPS9500 AT
    Case Antec Nine Hundred two

  5. #35
    Join Date
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    Default Re: Prime95 won't run at 100%

    prime not running longer then 4 minutes now so I have some tweaking to do again :(
    MB Gigabyte EP45-UD3P
    CPU Q9550
    RAM 8 Gigs G-Skil F2-8500CL5 (4 2gig sticks)
    Video Card ATI 4890
    HSF Zalman CNPS9500 AT
    Case Antec Nine Hundred two

  6. #36
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Prime95 won't run at 100%

    Looking good!
    A couple of minor nit-picks:

    • cpuz display: Using the same Mainboard screen twice doesn't help, use the CPU and the Mainboard screens.
    • Memset display: Click on the ">>" icon (to the right of the SPD button) to show the settings for the 2nd memory channel; on some occasions, we've found that Performance Level is not the same for each channel - this is due to setting different Static tRead Values (tRD) for memory channels A and B

    If you run Prime95 (or any other stress test) without rebooting, use the Reset feature in HWmonitor or RealTemp to reset the monitored temperatures and/or voltages.

    When you're done overclocking your cpu speed, there are several memory tweaks that will improve memory performance. Naturally this will mean additional stress testing.

    Happy testing....
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  7. #37
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Prime95 won't run at 100%

    Give me about 5 minutes and I'll add a couple of suggested tweaks in this post.
    Change the following:

    Check that Driving Strength is set to 1066 for memory channels A and B.
    Cpu Termination----------------- :[1.20] <-- set to 1.22
    DRAM Voltage ------ 1.80v ------ : [2.10] <-- set to 2.12
    ICH I/O ------------ 1.50v ------ : [1.50] <-- set to 1.57
    ICH Core ----------- 1.10v ------ : [1.10] <-- set to 1.20

    MCH Core will be tweaked if these settings aren't stable.
    Last edited by profJim; 10-03-2009 at 09:25 AM. Reason: added bios tweaks
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  8. #38
    Join Date
    Sep 2009
    Posts
    32

    Default Re: Prime95 won't run at 100%

    oops on the CPUZ it was on two different pages must have changed it while positioning.

    I have a funny story for you in the meantime while I try these. I have an acer monitor it has been slowly going out, screen dimming, a bit of a dark area up in one corner.

    So today, I came home and guess what? It died.. Now I know it was a matter of time before this happened I have told the boys to make sure they turn it off when their done with it. But guess who left it on? Yup me. so now today it will only come on for a second before it goes out. The blue light is still on (goes yellow when there is no signal) but the screen is black. If I cycle power off and then on it will come back on for a couple of seconds then go black again.

    Now try explaining to your wife that even though you have been tweaking on the computer for the past couple of days YOU didn't cause this.... Yeah that went over well.

    anyhow that's a new monitor in the last two screens from the other ones. wanted the 23" anyhow :)
    Last edited by Greyform; 10-03-2009 at 01:08 PM. Reason: typo
    MB Gigabyte EP45-UD3P
    CPU Q9550
    RAM 8 Gigs G-Skil F2-8500CL5 (4 2gig sticks)
    Video Card ATI 4890
    HSF Zalman CNPS9500 AT
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  9. #39
    Join Date
    Sep 2009
    Posts
    32

    Default Re: Prime95 won't run at 100%

    That got me further. I made the changes you suggested, and confirmed drive strength on both channels was set to 1066


    Code:
    MB Intelligent Tweaker(M.I.T.) 
    Robust Graphics Booster ...............:Fast 
    CPU Clock Ratio ...........................:8 X
    Fine CPU Clock Ratio.....................:+0.5
    CPU Frequency .............................:3.9GHz (459x8.5)
     
    Advanced Clock Control Press Enter 
    CPU Host Clock Control..................:Enabled
    CPU Host Frequency (Mhz) ............:459 
    PCI Express Frequency (Mhz) ........:100 
    C.I.A.2 .................................:Disabled 
     
    CPU Clock Drive..........................:800mV 
    PCI Express Clock Drive...............:900mV 
    CPU Clock Skew (ps)...................:0ps 
    MCH Clock Skew (ps)...................:0ps 
     
    DRAM Performance Control 
    Performance Enhance...................:Standard
    Extreme Memory Profile (X.M.P.).....:Disabled 
    (G)MCH Frequency Latch...............:400
    System Memory Multiplier ..............2.00D
    Memory Frequency (Mhz) ....1066....:918
    DRAM Timing Selectable ................:Manual 
     
    Standard Timing Control 
    CAS Latency Time.............5........6
    tRCD ...............................7........6
    tRP'..................................7........6
    tRAS...............................24.......16
     
    Advanced Timing Control 
    tRRD.......................4.................4
    tWTR......................4..................4
    tWR.........................8.................12
    tRFC........................68...............68
    tRTP.........................4................6
    Command Rate (CMD) .......0........2
     
    Driving Strength Profiles 
    Driving Strength ........................... 1066
     
    Channel A 
    Static tRead Value...............8.....: 10
    tRD Phase0 Adjustment.......0.......: Auto
    tRD Phase1 Adjustment.......0.......: Auto
    tRD Phase2 Adjustment ......0.......: Auto
    tRD Phase3 Adjustment.......0.......: Auto
    Trd2rd(Different Rank)...........8....: Auto
    Twr2wr(Different Rank)..........8....: Auto
    Twr2rd(Different Rank)...........7....: Auto
    Trd2wr(Same/Diff Rank).........9.....: Auto
    Dimm1 Clock Skew Control............: Auto
    Dimm2 Clock Skew Control............: Auto
     
    Channel B 
    Static tRead Value...............8........: 10
    tRD Phase0 Adjustment........1.......: Auto 
    tRD Phase1 Adjustment....... 0.......: Auto
    tRD Phase2 Adjustment .......0.......: Auto
    tRD Phase3 Adjustment........0.......: Auto
    Trd2rd(Different Rank).......... .8.....: Auto
    Twr2wr(Different Rank).......... 8....: Auto
    Twr2rd(Different Rank)........... 7....: Auto
    Trd2wr(Same/Diff Rank)..........9.....: Auto
    Dimm1 Clock Skew Control.............: Auto
    Dimm2 Clock Skew Control.............: Auto
     
    Motherboard Voltage Control 
    Voltage Type.………... Manual 
    CPU
    Load Line Calibration......................:Enabled
    CPU Vcore….…….1.25000V...........:1.25625
    CPU Termination…..... 1.200V........:1.22V
    CPU PLL……………….1.500V.......: 1.57V
    CPU Referennce.……...0.760V.......: 0.760V
     
    MCH/ICH 
    MCH Core……………...1.100V.........:1.220V
    MCH Reference….…….0.760V.........;0.760 
    MCH/DRAM Ref.…......0.900V..........:0.900 
    ICH I/O…………….....1.500V............:1.570V
    ICH Core…………...…1.100V............:1.200V
     
    DRAM 
    DRAM Voltage ……....1.800V..........:2.120
    DRAM Termination .…0.900V...........:Auto 
    Channel A Reference 0.900V............:Auto
    Channel B Reference 0.900V............:Auto
    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
    MB Gigabyte EP45-UD3P
    CPU Q9550
    RAM 8 Gigs G-Skil F2-8500CL5 (4 2gig sticks)
    Video Card ATI 4890
    HSF Zalman CNPS9500 AT
    Case Antec Nine Hundred two

  10. #40
    Join Date
    Sep 2009
    Posts
    32

    Default Re: Prime95 won't run at 100%

    made a slight timing change and put MCH core to 1.3


    Code:
    MB Intelligent Tweaker(M.I.T.) 
    Robust Graphics Booster ...............:Fast 
    CPU Clock Ratio ...........................:8 X
    Fine CPU Clock Ratio.....................:+0.5
    CPU Frequency .............................:3.9GHz (459x8.5)
     
    Advanced Clock Control Press Enter 
    CPU Host Clock Control..................:Enabled
    CPU Host Frequency (Mhz) ............:459 
    PCI Express Frequency (Mhz) ........:100 
    C.I.A.2 .................................:Disabled 
     
    CPU Clock Drive..........................:800mV 
    PCI Express Clock Drive...............:900mV 
    CPU Clock Skew (ps)...................:0ps 
    MCH Clock Skew (ps)...................:0ps 
     
    DRAM Performance Control 
    Performance Enhance...................:Standard
    Extreme Memory Profile (X.M.P.).....:Disabled 
    (G)MCH Frequency Latch...............:400
    System Memory Multiplier ..............2.00D
    Memory Frequency (Mhz) ....1066....:918
    DRAM Timing Selectable ................:Manual 
     
    Standard Timing Control 
    CAS Latency Time.............5........5
    tRCD ...............................7........5
    tRP'..................................7........5
    tRAS...............................24.......15
     
    Advanced Timing Control 
    tRRD.......................4.................4
    tWTR......................4..................4
    tWR.........................8.................12
    tRFC........................68...............68
    tRTP.........................4................6
    Command Rate (CMD) .......0........2
     
    Driving Strength Profiles 
    Driving Strength ........................... 1066
     
    Channel A 
    Static tRead Value...............8.....: 10
    tRD Phase0 Adjustment.......0.......: Auto
    tRD Phase1 Adjustment.......0.......: Auto
    tRD Phase2 Adjustment ......0.......: Auto
    tRD Phase3 Adjustment.......0.......: Auto
    Trd2rd(Different Rank)...........8....: Auto
    Twr2wr(Different Rank)..........8....: Auto
    Twr2rd(Different Rank)...........7....: Auto
    Trd2wr(Same/Diff Rank).........9.....: Auto
    Dimm1 Clock Skew Control............: Auto
    Dimm2 Clock Skew Control............: Auto
     
    Channel B 
    Static tRead Value...............8........: 10
    tRD Phase0 Adjustment........1.......: Auto 
    tRD Phase1 Adjustment....... 0.......: Auto
    tRD Phase2 Adjustment .......0.......: Auto
    tRD Phase3 Adjustment........0.......: Auto
    Trd2rd(Different Rank).......... .8.....: Auto
    Twr2wr(Different Rank).......... 8....: Auto
    Twr2rd(Different Rank)........... 7....: Auto
    Trd2wr(Same/Diff Rank)..........9.....: Auto
    Dimm1 Clock Skew Control.............: Auto
    Dimm2 Clock Skew Control.............: Auto
     
    Motherboard Voltage Control 
    Voltage Type.………... Manual 
    CPU
    Load Line Calibration......................:Enabled
    CPU Vcore….…….1.25000V...........:1.25625
    CPU Termination…..... 1.200V........:1.22V
    CPU PLL……………….1.500V.......: 1.57V
    CPU Referennce.……...0.760V.......: 0.760V
     
    MCH/ICH 
    MCH Core……………...1.100V.........:1.30V
    MCH Reference….…….0.760V.........;0.760 
    MCH/DRAM Ref.…......0.900V..........:0.900 
    ICH I/O…………….....1.500V............:1.570V
    ICH Core…………...…1.100V............:1.200V
     
    DRAM 
    DRAM Voltage ……....1.800V..........:2.120
    DRAM Termination .…0.900V...........:Auto 
    Channel A Reference 0.900V............:Auto
    Channel B Reference 0.900V............:Auto
    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
    MB Gigabyte EP45-UD3P
    CPU Q9550
    RAM 8 Gigs G-Skil F2-8500CL5 (4 2gig sticks)
    Video Card ATI 4890
    HSF Zalman CNPS9500 AT
    Case Antec Nine Hundred two

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