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Thread: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen




  1. #11
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    Hi LSD after much testing i got the RAM stable with 4 passes in memtest86+
    Currently i have my
    CPU Vcore at 1.38
    CPU Termination 1.34
    CPU PLL 1.59
    Currently only Core #1 fails in Prime95 with those cpu voltages. When i go lower on the volts Core #1 and Core#2 fail. Would you advice me to go higher on those voltages or will it damage my CPU

    If You want i can post the full Bios settings, just let me know,Thanks LSD

  2. #12
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    I have Good News, lol At these settings im doing very well so far no errors in memtest86+ after hours of test runs. In Prime95 though in 18minutes Core#3 fails. LSD are these settings Dangerous or will it be ok to take them higher, Im not sure why it fails still but atleast it takes longer now to fail. Thanks for your help LSD!! :D

    CPU Core Temps under load 65 58 60 58 CPU Vcore in Everest shows as 1.28V but Bios is higher.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:. 5
    CPU Frequency ...........................: 4.00Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 471Mhz
    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)....................: <<< 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) ..............: 942Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................12

    Advanced Timing Control
    tRRD...........................................3
    tWTR..........................................3
    tWR............................................5
    tRFC...........................................48
    tRTP...........................................3
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................800

    Channel A
    Static tRead Value.........................:9

    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.........................:9

    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….……….........................:1.375
    CPU Termination…..... 1.200V*.......: <<< 1.300
    CPU PLL…………………....1.500V*.......: << 1.570

    CPU Referen.…………....0.755V*.......: <<< .863

    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt (Termination above) Auto Will set this correctly

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.260
    MCH Reference….…….0.800V...........; <<< Auto
    MCH/DRAM Ref.…......0.900V...........: <<< Auto
    ICH I/O……………….....1.550V............: <<< 1.570
    ICH Core…………...……1.100V............: <<< 1.200

    DRAM
    DRAM Voltage ……....1.800V............: 2.140
    DRAM Termination .…0.900V............: <<< Auto
    Channel A Reference 0.900V............: <<< Auto
    Channel B Reference 0.900V............: <<< Auto

    Oh and anything lower on the Vcore will not work, im not sure why, i guess it needs alot of power to run at 4Ghz Speed
    Last edited by SkyNet2032; 02-28-2009 at 07:36 AM. Reason: Add more info

  3. #13
    kick's Avatar
    kick is offline Senior Member
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    Im just posting my differences to your settings.Components are a bit different of course
    They work ok for me,Nothing is in the danger zone as far as I can determine and it has passed all tests at these settings.Well actually its done 24 hr tests at either 490 or 500fsb,more on the 500 as 3.5G was my aim.It doesnt hang or fail to reboot.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 7x
    Fine CPU Clock Ratio.....................: n/a
    CPU Frequency ...........................: 3.43GHz ( 490x7)
    *
    *
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 490Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    *
    C.I.A.2 .................................:[Disabled]
    *
    *
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800mV
    PCI Express Clock Drive.................: 900mV
    CPU Clock Skew (ps)....................: 0ps
    MCH Clock Skew (ps)...................: 0ps
    *
    *
    DRAM Performance Control
    Performance Enhance...................: [Turbo]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 980mhz
    DRAM Timing Selectable ................: [Manual]
    *
    Standard Timing Control
    CAS Latency Time........................ 5
    tRCD ......................................... 5
    tRP'........................................... 5
    tRAS.......................................... 15
    *
    Advanced Timing Control
    tRRD........................................... [auto]
    tWTR.......................................... [auto]
    tWR............................................ [auto]
    tRFC........................................... 48
    tRTP........................................... [auto]
    Command Rate (CMD) ....................:2
    *
    Driving Strength Profiles
    Driving Strength ............................
    *
    Channel A
    Static tRead Value.........................:Auto
    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.........................:Auto
    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….……….........................: 1.38/1.39375V
    CPU Termination…..... 1.200V*.......: Auto
    CPU PLL…………………....1.500V*.......: Auto
    CPU Referen.…………....0.755V*.......: Auto
    *
    MCH/ICH
    MCH Core…………….....1.100V...........: 1.36/1.38V
    MCH Reference….…….0.800V...........; Auto
    ICH I/O……………….....1.550V............: Auto
    *
    DRAM
    DRAM Voltage ……....1.800V............: 2.08/2.18V
    *
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Enabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Enabled]

    *
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]

    The above sttings are stable.
    My memory is poor for this tho.Im not saying 2:00B multiplier is better/worse than D its just what i use.
    Where there are 2 voltages first is for 490 fsb ,2nd for 500.
    Memory v jump is big.
    Anything that isnt listed is on auto
    Last edited by kick; 02-28-2009 at 09:04 AM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  4. #14
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    Thanks for sharing that information Kick, i will see if i can use some of those settings in my Bios, Also when i put the Vcore lets say to 1.375 it never uses that exact amount in the bios its always less like 1.348. Could this be why my settings dont work well? Do you recommend i go past 1.4 Vcore to be able to get probably 1.37 exactly. Thanks

  5. #15
    kick's Avatar
    kick is offline Senior Member
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    You mean the vdroop or voltage drop?
    All my figures ,those in the sig too are what I enter in the bios.
    When the pc is running the voltages are measured to be lower.
    1.39375v is around 1.367(1.37)cpu
    2.08v measures at 2.05(ram)
    I played around with the voltages while getting the components to run.
    When I first had it working at 500mhz fsb,I think i had 1.40625v cpu and 2.22v ram ,1.4 mch entered in bios.
    When I discovered I couldnt get over 507 fsb stable without 2.3 v in bios for ram I moved back down to 500mhz and started lowering voltages a bit at a time and left things on test/did memtest runs/occt runs/Prime.

    Ive tried a load of other settings too 2.40B multiplier.2:00D 2.66D static read,cas 6 latencies ref voltages etc.(highest memory speed boot into windows=1066,cas 6 standard performance,2.66D,2.24v)PC froze up after 2-3 min.

    No point in posting everything Ive tried.My memory seems to be limiting me.I didnt buy it for this board,bought it for GA-73pvms2.

    Machine works well tho,and before buying anything else Id like to see a post with Q8200 running stable above 3.6G or if you get bored with your Q9550 u can pm me .
    Last edited by kick; 02-28-2009 at 06:39 PM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  6. #16
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    Smile Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    Everything is finally stable, here is an image of some programs.

  7. #17
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    It Seems i am getting a 10 Degree drop in temperatures when i use my 3.8Ghz Overclock profile, so i think i will continue using the 3.8Ghz, as my air cooling is giving me 66 60 61 60 on Max Load with 4Ghz.
    Temps on Max Load are 55 50 51 50 with 3.8Ghz, I really like these temps and from 3.8Ghz to 4.0Ghz is not that much of a jump in speed.

    Thanks For everyones help and Especially LSDMEASAP, i am now a better Overclocker than i was before :D

  8. #18
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    Nice job on the OC'ing SkyNet =). BTW, what cpu cooler/heatsink are you using?
    Motherboard - Gigabyte GA-EP45-UD3R
    CPU - Intel Core 2 Duo E8500 OC'd 3.6 GHz w/ Zalman CNPS 9700 LED Heatsink/Fan
    Video Card - Visiontek ATI Radeon HD 4850 (512MB)
    Memory - OCZ Reaper HPC 4GB
    PSU - Corsaire CMPSU 550W
    HDD - Western Digital Caviar 320GB
    DVDRW - LITEON 22x w/ lightScribe
    Case - CoolerMaster Centurion 5 Grey



  9. #19
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    Default Re: Question EP45-UD3P + Q9550 OC to 4Ghz Black Screen

    Thanks Acarcia81, Im using the Xigmatek S1283 and its a very good cooler for the price. I was suprised when i was able to get 4Ghz with it at good temps. Its proven to be a great cooler by many people.

  10. #20
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    Lsdmeasap is offline GIGABYTE Guru
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