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Thread: OC E8500+EP45 Voltage Question




  1. #11
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    Default Re: OC E8500+EP45 Voltage Question

    If you are interested, read the overclocking guide (sticky top of forum).

    The little halo guy on the right shoulder tells me to say "Stick to what u feel comfortable with", while the little horned guy on the left shoulder says, "Go on, tell him to overclock it."

    You have the right spec parts there to do so anyway .





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


  2. #12
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    Default Re: OC E8500+EP45 Voltage Question

    Well, I just about s**t my pants. :|

    Here's my story-

    Ran orthos last night on small FFTs to test the voltage on my cpu.

    Woke up today and everything was fine, no failures no errors.

    Went to class, and came back to my computer this afternoon with some random windows error message. Close the message. Try to open my web browser then BSOD.

    Restart. In windows for about 1 min then BSOD.

    Ran memtest on reboot with test #7. Multiple errors immediately show up.

    Go back into BIOS and set optimized defaults- all seems to be ok- ran memtest #7 again, no errors.

    BIOS settings when the BSODs/memtest errors happened-

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................:0.5
    CPU Frequency ...........................: 3.8Ghz (9.5x400)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: Enabled
    CPU Host Frequency (Mhz) ............: 400Mhz
    PCI Express Frequency (Mhz) .........: 100

    C.I.A.2 .................................: Disabled


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<< 0
    MCH Clock Skew (ps)...................: <<< 0


    DRAM Performance Control
    Performance Enhance...................: STANDARD
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 800Mhz
    DRAM Timing Selectable ................: Manual

    Standard Timing Control
    CAS Latency Time........................4
    tRCD .........................................4
    tRP'...........................................4
    tRAS..........................................12

    Advanced Timing Control
    tRRD...........................................3
    tWTR..........................................3
    tWR............................................6
    tRFC...........................................52
    tRTP...........................................3
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................1066

    Channel A
    Static tRead Value.........................:8
    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.........................:8
    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

    CPU
    CPU Vcore….……….........................:1.25v

    CPU Termination….........................:1.24v
    CPU PLL………………….......................:Normal

    CPU Referen.………….......................:Auto

    MCH/ICH
    MCH Core……………................:1.2v
    MCH Reference….……............: Auto
    MCH/DRAM Ref.….................: Auto
    ICH I/O……………….................: Auto
    ICH Core…………...……............: Auto

    DRAM
    DRAM Voltage ……................: 2v
    DRAM Termination .…............: Auto
    Channel A Reference ............: Auto
    Channel B Reference ............: 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

    Integrated Peripherals
    Legacy USB Storage Detect ..............Disabled

    I assume it's my ram of course :S

    Kinda scary to see all that red on memtest when you are a college student and this is your only PC.

    Any suggestions? Thx :)
    Last edited by sharpbiohazard; 09-12-2009 at 06:42 AM.
    "The Anthrax Spore"
    GA-EP45-UD3R Rev#1.1-F11
    C2Q Q9550 (E0) 2.83Ghz 333x8.5
    Xigmatek HDT-SD964
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    DDR2 1066 555-15 2.2v
    Gigabyte 5870 1GB DDR5
    X-Fi Xtremegamer
    Antec 750w Truepower
    Antec 900
    ASUS VH236H 1920X1080

    "Gangrene"

    ASUS P5Q Pro Turbo
    C2D E8500 (E0) 3.16Ghz 333x9.5
    Zalman CNPS7000C-AlCu
    2x2GB Corsair XMS2 PC2-8500 [TWIN2X4096-8500C5C G] DDR2 800 555-18 1.8v
    XFX 9600GSO 768MB DDR2
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  3. #13
    profJim's Avatar
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    Default Re: OC E8500+EP45 Voltage Question

    Are you still running with the F3 bios?
    If you're leary of running with the latest beta bios, you can download the most recent FINAL bios for flashing.

    Be sure to follow the procedures in Lsdme's Bios Flashing How-to Guide.
    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
    .


  4. #14
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    Default Re: OC E8500+EP45 Voltage Question

    Could that be my problem- the bios version? I know how to flash a bios, I just don't like the risk...
    "The Anthrax Spore"
    GA-EP45-UD3R Rev#1.1-F11
    C2Q Q9550 (E0) 2.83Ghz 333x8.5
    Xigmatek HDT-SD964
    2x2GB Kingston HyperX T1 [KHX8500D2T1K2/4G]
    DDR2 1066 555-15 2.2v
    Gigabyte 5870 1GB DDR5
    X-Fi Xtremegamer
    Antec 750w Truepower
    Antec 900
    ASUS VH236H 1920X1080

    "Gangrene"

    ASUS P5Q Pro Turbo
    C2D E8500 (E0) 3.16Ghz 333x9.5
    Zalman CNPS7000C-AlCu
    2x2GB Corsair XMS2 PC2-8500 [TWIN2X4096-8500C5C G] DDR2 800 555-18 1.8v
    XFX 9600GSO 768MB DDR2
    FSP 460w
    Antec 300
    Acer P224w 1680x1050

  5. #15
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: OC E8500+EP45 Voltage Question

    Well if your running F3 and they are up to F11. There has been many changes and tweaks since then so its recommended to at least try F9 or F10.
    Main Rig
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    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
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  6. #16
    profJim's Avatar
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    Default Re: OC E8500+EP45 Voltage Question

    New bios versions include bug fixes (e.g. S3 sleep issues) and enhancements, such as "improved memory or cpu compatibility." Unfortunately, GB doesn't provide a list of fixed issues or changes. Many/most reputable software providers let us easily access their version histories that give a good indication of what has changed. Some also provide a "known issues" list.
    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. #17
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: OC E8500+EP45 Voltage Question

    I do suggest the latest Beta actually, and I suggest you may need a bit more MCH and to use tRD of 9

  8. #18
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    Default Re: OC E8500+EP45 Voltage Question

    So I should try the BIOS first? I don't know if my MCH core is set at the right value... could that be a potential problem?

    I also thought that once ram gets an error, it's permanent. I guess thats not true?
    "The Anthrax Spore"
    GA-EP45-UD3R Rev#1.1-F11
    C2Q Q9550 (E0) 2.83Ghz 333x8.5
    Xigmatek HDT-SD964
    2x2GB Kingston HyperX T1 [KHX8500D2T1K2/4G]
    DDR2 1066 555-15 2.2v
    Gigabyte 5870 1GB DDR5
    X-Fi Xtremegamer
    Antec 750w Truepower
    Antec 900
    ASUS VH236H 1920X1080

    "Gangrene"

    ASUS P5Q Pro Turbo
    C2D E8500 (E0) 3.16Ghz 333x9.5
    Zalman CNPS7000C-AlCu
    2x2GB Corsair XMS2 PC2-8500 [TWIN2X4096-8500C5C G] DDR2 800 555-18 1.8v
    XFX 9600GSO 768MB DDR2
    FSP 460w
    Antec 300
    Acer P224w 1680x1050

  9. #19
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: OC E8500+EP45 Voltage Question

    Yes, I would use the latest BIOS either way, but the voltages and suggestions I made would be for any BIOS

    MCH Core of 1.20-1.24 is often best for 4GB of ram.

    Na, ram errors are only right then in that second the ram is failing to provide the correct data, nothing permanent at all.

  10. #20
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    Default Re: OC E8500+EP45 Voltage Question

    I think the EO chip was only covered in the last X48 bios update, probably similar with yours. I have reflashed quite a few bios and haven't had a failure yet.

    Is this another one like "Load optimised defaults before you begin overclocking."

    "With a new build, reflash to the latest bios before you begin overclocking." or not ..





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


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