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Thread: No luck OC'ing EP45-UD3R w/ E6550




  1. #1
    Join Date
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    Default No luck OC'ing EP45-UD3R w/ E6550

    Yesterday I spent the better part of 2 hours trying to get some kind of overclock out of my rig and so far I'm having absolutely no luck.

    Specs:
    E6550 2.33GHz Conroe w/ Xigmatek Dark Knight
    EP5-UD3R Rev1.0 F12
    8GB G.Skill F2-8500CL5D-4GBPK (5-5-5-15)
    PCP&C 750W Silencer

    Memory timings are entered manually, voltage is set to 2.1v, MCH Core is 1.4v and tRFC is set to 80 - all per G.Skill's recommendation.

    From reading around on the net I shouldn't have any problems breaking 3GHz on air but I couldn't even get to 2.8GHz with a 400MHz FSB. I used the 2.00D memory multiplier to keep my ram at 1066. I also upped the vCore to 1.4 since I'd seen that 1.45v seems to be common place for 400+ FSB oc's.

    With the above settings I wasn't even able to get to the POST screen without the system rebooting 2-3 times or beeping incessantly at me for about a minute then it rebooting back to stock settings.

    What info do you need from me to help?

    thanks!
    iain
    Last edited by hostile; 03-22-2010 at 10:40 PM. Reason: added memory settings

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    The 8GB of memory may be holding you back, you will have a tough time running 8GB at 1066.

    Try running your memory at 800-1000 and see if you have better luck that way, if not please grab a template from my signature and give us the full settings you are trying and we will advise back.

    Multiple fast beeps means your tRD (Static tRead Value) is set to low, by you or Auto, if that is what you meant by incessantly (23 multiple fast beeps)

  3. #3
    Chike is offline Senior Member
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    Quote Originally Posted by hostile View Post
    Memory timings are entered manually, voltage is set to 2.1v, MCH Core is 1.4v and tRFC is set to 80 - all per G.Skill's recommendation.
    Probably could get them work with lower MCH Core and tRFC.
    Read this post, follow steps to provide additional information.

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    I agree, that is too much MCH Core, missed that thanks Chike!

    I still say you will have a much easier time at a slower speed, SPD Timings and official specs are per kit

  5. #5
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    Thanks for the quick replies guys! I'll see what I can find tonight when I get home.
    Gaming Box | CM 690II Advanced | PCP&C Silencer 750w | Intel E6550 w/ Xigmatek Dark Knight | Gigabyte EP45-UD3R | BFG 8800GT OC | 2x G.Skill F2-8500CL5D-4GBPK (8GB) | WD Black 640GB | LiteOn 16x DVD-ROM | NEC 3500A | Dell 2407WFP | Win7 64-bit Business
    WHS | Antec 900 | OCZ StealthXStream 500w | Intel E1500 | ASUS P5K | EVGA 7900GT | 4x1GB DDR | WD 80GB (OS) | 2x Seagate 1TB SATA | 2x WD 750GB SATA | CoolerMaster 4-in-3 HD Cage | WHS PP1

  6. #6
    Lsdmeasap's Avatar
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  7. #7
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    I used the suggested settings in Chike's thread and I also set the RAM to 800MHz instead of 1600MHz (using 2.00D) to get to 2.8GHz. When I exited the BIOS and the computer restarted it did this thing where the computer came on, the CPU fan did not spin, it powered down, then it came back on and booted into windows at 2.33GHz.

    Everytime I make changes in the BIOS my computer seems to do this little "soft boot" all the time, regardless of stock or overclock settings. When I went back into the BIOS MIT the little red screen popped up showing that my system experienced boot failures.

    Here are my BIOS settings as they stand after this last failed attempt:

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: [7X]
    Fine CPU Clock Ratio.....................:. N/A
    CPU Frequency ...........................: 2.80GHz ( 400x7)
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: [400]
    PCI Express Frequency (Mhz) .........: [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...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: [Disabled]
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: [2.00D]
    Memory Frequency (Mhz) ..............: 800
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................ 5 [5]
    tRCD .........................................  7 [5]
    tRP'...........................................  7 [5]
    tRAS.......................................... 20 [15]
    
    Set all Suggested below to highest Values first.  Then later you can lower, one at a time, testing as you go
    
    Advanced Timing Control
    tRRD........................................... 4 [Auto]
    tWTR.......................................... 4 [Auto]
    tWR............................................ 8 [Auto]
    tRFC...........................................68 [80]
    tRTP........................................... 4 [Auto]
    Command Rate (CMD) ....................: 0 [Auto]
    
    Driving Strength Profiles
    Driving Strength ............................
    
    Channel A
    Static tRead Value.........................: 8 [Auto]
     tRD Phase0 Adjustment...................:0 [Auto] <<< Leave for all below as well
    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]
    DDR Write Training..........................:  [Auto]
    
    Channel B
    Static tRead Value.........................: 8 [Auto]
    tRD Phase0 Adjustment...................:0 [Auto] <<< Leave for all below as well
    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]
    DDR Write Training..........................:  [Auto]
    
    Motherboard Voltage Control
    
    CPU
    CPU Vcore….……….....1.35000V .....: [1.35000V]
    CPU Termination….....1.200V..........: [1.200V]
    CPU PLL………………….1.500V..........: [1.500V]
    
    CPU Referen.………….0.760V...........: [Auto] 
    
    CPU Reference2………0.800V*.......: N/A
    
    MCH/ICH
    MCH Core…………….....1.100V...........: [1.200V] 
    MCH Reference….……..0.760V...........: [Auto]<<< Leave
    MCH/DRAM Ref.….......0.900V...........: [Auto]<<< Leave
    ICH I/O……………….....1.500V............: [1.500V]<<< Leave
    ICH Core…………...……1.100V............: [1.100V]<<< Leave
    
    DRAM
    DRAM Voltage ……....1.800V............: [2.100V]
    DRAM Termination .…0.900V............: [Auto]<<< Leave
    Channel A Reference 0.900V............: [Auto]<<< Leave
    Channel B Reference 0.900V............: [Auto]<<< Leave
    
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: N/A
    x C4/C4E State Support..................: N/A
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled] Enabled if you use Vmware/Virtual PC
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB
    Settings in Italicized Bold are settings that I manually adjusted.
    Last edited by hostile; 03-23-2010 at 11:00 AM.
    Gaming Box | CM 690II Advanced | PCP&C Silencer 750w | Intel E6550 w/ Xigmatek Dark Knight | Gigabyte EP45-UD3R | BFG 8800GT OC | 2x G.Skill F2-8500CL5D-4GBPK (8GB) | WD Black 640GB | LiteOn 16x DVD-ROM | NEC 3500A | Dell 2407WFP | Win7 64-bit Business
    WHS | Antec 900 | OCZ StealthXStream 500w | Intel E1500 | ASUS P5K | EVGA 7900GT | 4x1GB DDR | WD 80GB (OS) | 2x Seagate 1TB SATA | 2x WD 750GB SATA | CoolerMaster 4-in-3 HD Cage | WHS PP1

  8. #8
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    Did you try to load Optimized Settings?

    Also, why don't you use 8x CPU clock ratio. It allows you to have higher clock without stressing your RAM much.

    I also suggest you to increase your MCH core to 1.28-1.32V. You also may try 2.00B and loose the tRead Value a bit to 9.
    Q6700 @3.48GHz [8x435MHz] VID 1.2875 Full Load IBT 77c Ambient 24c
    TRUE with Push Pull Scythe Slip Stream 120mm SY1225SL
    Tuniq TX-2 Cooling Thermal Compound
    GIGABYTE EP45-UD3P [rev: 1.0] ~ Bios: F10
    4 x 2GB G.Skill PC2 8000 @5-4-4-12 870MHz [2.00B]
    Antec 1200 + 4 Rosewill RFA-120-BL 120mm
    Sapphire 100259-1GL Radeon HD 4870 1GB
    Corsair CMPSU-750TX
    WD Caviar Black WD1001FALS 1TB 7200 RPM SATA 3.0
    Windows 7 64bit.
    Dell 2408 WFP
    HK-254 Receiver + 4x Energy C-100 + Energy C-C100 + Energy S10.3

  9. #9
    Join Date
    Jun 2009
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    Quote Originally Posted by thanhhaimai View Post
    Did you try to load Optimized Settings?

    Also, why don't you use 8x CPU clock ratio. It allows you to have higher clock without stressing your RAM much.

    I also suggest you to increase your MCH core to 1.28-1.32V. You also may try 2.00B and loose the tRead Value a bit to 9.
    I loaded optimized settings first, then applied the changes recommended in Chike's thread.

    My cpu clock ratio options are 6 and 7, 7 is stock.

    I set the memory multiplier to 2.00B (even though it puts my ram at 800 just like 2.00D) and also raised my MCH Core to 1.280.

    When I exited the BIOS the system did that soft reboot and when it came back up the second time it was back to 2.33GHz.
    Gaming Box | CM 690II Advanced | PCP&C Silencer 750w | Intel E6550 w/ Xigmatek Dark Knight | Gigabyte EP45-UD3R | BFG 8800GT OC | 2x G.Skill F2-8500CL5D-4GBPK (8GB) | WD Black 640GB | LiteOn 16x DVD-ROM | NEC 3500A | Dell 2407WFP | Win7 64-bit Business
    WHS | Antec 900 | OCZ StealthXStream 500w | Intel E1500 | ASUS P5K | EVGA 7900GT | 4x1GB DDR | WD 80GB (OS) | 2x Seagate 1TB SATA | 2x WD 750GB SATA | CoolerMaster 4-in-3 HD Cage | WHS PP1

  10. #10
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    Default Re: No luck OC'ing EP45-UD3R w/ E6550

    try to set your FSB to 350 and see if it boots. Work step by step until you get to higher clock, 10MHz increase at a time. It will be easier that way.
    Q6700 @3.48GHz [8x435MHz] VID 1.2875 Full Load IBT 77c Ambient 24c
    TRUE with Push Pull Scythe Slip Stream 120mm SY1225SL
    Tuniq TX-2 Cooling Thermal Compound
    GIGABYTE EP45-UD3P [rev: 1.0] ~ Bios: F10
    4 x 2GB G.Skill PC2 8000 @5-4-4-12 870MHz [2.00B]
    Antec 1200 + 4 Rosewill RFA-120-BL 120mm
    Sapphire 100259-1GL Radeon HD 4870 1GB
    Corsair CMPSU-750TX
    WD Caviar Black WD1001FALS 1TB 7200 RPM SATA 3.0
    Windows 7 64bit.
    Dell 2408 WFP
    HK-254 Receiver + 4x Energy C-100 + Energy C-C100 + Energy S10.3

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