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Thread: ga-ep45-ud3r overclocking questions?




  1. #11
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    Default Re: ga-ep45-ud3r overclocking questions?

    This overclock is giving me a fit for some reason. My last run of prime95 small fft failed at 7hours on the first thread, the second was still going. Here are the setting for that.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................: .0
    CPU Frequency ...........................: 3.80GHZ


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 400Mhz reduced trying to get stablity from previous 425 which failed at 5hrs.
    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)....................: <<<
    MCH Clock Skew (ps)...................: <<<


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Auto
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 2.66D
    Memory Frequency (Mhz) ..............: 1066 1066
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD ...................................5
    tRP'....................................5
    tRAS....................................15

    Advanced Timing Control
    tRRD...........................................4 Auto
    tWTR..........................................4 Auto
    tWR............................................13 Auto
    tRFC...........................................68 Auto
    tRTP...........................................4 Auto
    Command Rate (CMD) ....................:0 Auto

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

    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….……….........................: 1.35
    CPU Termination…..... 1.200V*.......: 1.20 from 1.24 since i reduced fsb
    CPU PLL…………………....1.500V*.......: 1.5

    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt (Termination above) Auto Will set this correctly

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

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.20
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: 1.50 factory setting
    ICH Core…………...……1.100V............: 1.1 factory setting

    DRAM
    DRAM Voltage ……....1.800V............: 2.0
    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave

    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] Enabled if you use Vmware/Virtual PC

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

    So these are my 7hr stable settings. I'm really trying to leave the ram settings alone other than static tread because i just don't understand them very well. My vdroop per cpuz is 1.28-1.29 at load. My e8500is C0. Do i just need more vcore? Should i enable load line calibration? From all the posts i was thinging 3.8 would be a bit easier. HELP!

    Elitimus

  2. #12
    Join Date
    Nov 2008
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    10

    Default Re: ga-ep45-ud3r overclocking questions?

    Just a quick note. Going to try vcore of 1.36 and see how it goes today.
    Elitimus
    Last edited by elitimus; 12-04-2008 at 09:35 PM.

  3. #13
    Join Date
    Nov 2008
    Posts
    66

    Default Re: ga-ep45-ud3r overclocking questions?

    1.3875v or 1.38125v.... don't be afraid scarecrow..... give 'er some juice and go back to 425fsb ;)
    Gigabyte EP45- UD3P
    E8500 Wolfdale @ 4.1ghz
    2x2gb G.Skill PC6400, DDR864, 5-4-4-12
    (3)- Samsung 320gb Spinpoint hdd's in Raid 5
    ASUS TOP 4850 w/Glaciator Fansink
    Lite-On 16x DVD x 2
    D-Tek Fuzion WB
    Thermochill PA120.2 radiator
    2x120 SFF21-F fans
    Liang D5 pump

  4. #14
    Join Date
    Nov 2008
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    10

    Default Re: ga-ep45-ud3r overclocking questions?

    hehehe....I may just do that. The 1.36 vcore with the above settings has gotten me 8.5hrs stable and still going as I type this This is my first OC experience so I've been babystepping trying to really grasp what does what without seeing smoke. I'm going to let this continue as I leave for work and see how far it will go. Is 8+ hours considered stable enough? Thanks for the help guys!

  5. #15
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: ga-ep45-ud3r overclocking questions?

    What do you get with 1.36 set in the BIOS in windows with CPU-z for actual voltage?

    And Auto ram timings may just hold you down at some point, and for sure is not going to perform the best at all

    You can check and see just what Auto is actually giving you with this here (DO NOT use this to "SAVE" a setting) You can apply and test timings with this in windows but try to hard and you will just have to restart your PC >>
    Tweakers.fr Memset 3.6

    GREAT TOOL!!!

  6. #16
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    Default Re: ga-ep45-ud3r overclocking questions?

    With a 1.36 vcore in the bios I get 1.312 idle in windows and 1.280-1.296 under load in prime. I'm at 19hrs and still running. Here are my advanced timing controls per memset using auto in bios

    Advanced Timing Control
    tRRD...........................................4
    tWTR..........................................12
    tWR............................................9
    tRFC...........................................68
    tRTP...........................................6
    Command Rate (CMD) ....................:2T

    The only one that looks far off is the tWTR. Is it ok to use these settings instead of auto and change only tWTR to your previous recommendation?

    Thanks
    Elitimus

  7. #17
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: ga-ep45-ud3r overclocking questions?

    Ya you can hard set those and then lower one at a time, you want to work to this area >>>
    tRRD...........................................4 << 3
    tWTR..........................................12 << 3-6
    tWR............................................9 << 4-6
    tRFC...........................................68 <<<48-50/ 52-62
    tRTP...........................................6 << 3-5

    What do you get for performance level from Auto (tRD/Static tRead Value)?

  8. #18
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    Default Re: ga-ep45-ud3r overclocking questions?

    Static tread value is manually set to 9 per your earlier recommendation, I don't remember what it was at auto. If you need me to I can find out. I'm just waiting till I get to the 24hr mark on prime before i shut down. 3 more hours Is there a particular thread to post stable settings for other users to go buy? I know every setup will be a little different, even with the same parts. If my final settings would be helpful to anyone I'd like to post them in the proper place since everyone who has posted here has been so helpful.

    Elitimus

  9. #19
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: ga-ep45-ud3r overclocking questions?

    Na, I asked because you said you was using Auto, so I thought that may apply to Static tRead as well >>>

    Quote Originally Posted by elitimus View Post
    Here are my advanced timing controls per memset using auto in bios

    You can post them here, it may help someone someday if they use search, but there is not "Thread". It would be nice to make one but with so many different available setups it would likely become a cluttered mess anyway

  10. #20
    Join Date
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    Default Re: ga-ep45-ud3r overclocking questions?

    1st time overclocker here...

    I have the E7400 - Gig UD3r - 4 gig Corsair PC6400 xms2 - freezer7pro

    I'm currently at 3.8 ghz (400 x 9.5) @ 1.36 volts peaking at 59 degrees (orthos stable)

    for some reason I can't get the fsb anywhere over 400. Do I need to bump up the fsb voltage? Is it the ram?

    what's the max core voltage you guys would recommend for the cooling that I have?

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