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Thread: First post first oc looking for stable 3.50 OC




  1. #1
    Join Date
    Dec 2008
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    7

    Default First post first oc looking for stable 3.50 OC

    Hi,

    First my system includes:
    GA-EP45-UD3P BIOS F4
    ATI Radeon HD 2600XT 512MB PCI-E GDDR3
    G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel 2.0 - 2.1 v 5-5-5-15
    Q9550 E0 step VID 1.25
    (3) 750 GB NS Seagate drives Raid 5
    (1) 250 GB NS Seagate drive non-raid OS only
    CNPS 9700 Led CPU fan
    Versapoint RF USB keyboard

    I have had the MB for about 3 weeks trying to get a stable 3.50 using the D stap (400 latch) before I tweak the memory. I am looking for a base that I can use for settings before I touch the memory. When I try using the D strap on any OC above 3.40 it will hold in the BIOS until I shutdown the PC and shutoff the powerstrip. If I turn the powerstrip on and then the PC the BIOS resets back to defaults. If I use the B strap (333 latch) it will work with some OC's and not others. I thought I had a stable 3.50 using the 2.40B (333) but it lasted a couple of days and then reset on the third day. I did some testing with Prime95 for 24 hours and all was fine with the 2.40B. So, what I want to do know is get some base settings for a 3.50 using the D strap (400 latch) and see if I can get a stable system. It seems know matter what I try above 3.40 OC I can't get it stable. I use the PC for video encoding. I had the Reads up to 8500 and would like to get at least this amount if possible at 3.50. Thank you for any help.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: First post first oc looking for stable 3.50 OC

    Please post me what you are using for 3.4-3.5 that is failing for you and I will advise back >>>

    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: 
    CPU Clock Ratio ..........................: 
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 
    PCI Express Clock Drive.................: <<< 
    CPU Clock Skew (ps)....................: <<< 
    MCH Clock Skew (ps)...................: <<< 
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 
    Memory Frequency (Mhz) ..............: 
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................
    tRCD .........................................
    tRP'...........................................
    tRAS..........................................
    
    Advanced Timing Control
    tRRD...........................................
    tWTR..........................................
    tWR............................................
    tRFC...........................................
    tRTP...........................................
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................
    
    Channel A
    Static tRead Value.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
     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.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
     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….……….........................:
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: << Please set to stock, Auto overvolts this way to much
    
    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...........: << 
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave
    
    DRAM
    DRAM Voltage ……....1.800V............: 
    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

  3. #3
    Join Date
    Dec 2008
    Posts
    7

    Default Re: First post first oc looking for stable 3.50 OC

    Hi,

    Thank you for a quick response.
    These are for the 3.50 setup as this is where I would like to be.

    The setup will work if I don't shutdown the PC and unplug from the power strip. Once I disconnect from the powerstrip and start up the PC it resets to the CPU defaults. I did try the 2.66D strap as well but the PC starts a series of 20 beeps until I shutdown the PC. Thank you for any help.


    [U]MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: auto
    CPU Clock[/URL] Ratio ..........................: 8.0
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 3.5
    Clock Chip Control Standard
    Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 412Mhz
    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)....................: 50<<<
    MCH Clock Skew (ps)...................: 150<<<
    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) ..............: 824
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................18
    Advanced Timing Control
    tRRD...........................................5
    tWTR..........................................5
    tWR............................................8
    tRFC...........................................72
    tRTP...........................................4
    Command Rate (CMD) ....................:2
    Driving Strength Profiles
    Driving Strength ............................1066
    Channel A
    Static tRead Value.........................: 10
    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
    psDimm2 Clock Skew Control...............:Auto
    Channel B Static tRead Value.........................:10
    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
    psDimm2 Clock Skew Control...............:Auto
    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU Vcore….……….........................:1.30
    CPU Termination…..... 1.200V*.......: 1.22 <<<
    LeaveCPU PLL…………………....1.500V*.......: 1.50 <<
    Please set to stock, Auto overvolts this way to much
    CPU Referen.…………....0.755V*.......: Auto <<< .64% Of Vtt (Termination above) Auto Will set this correctly
    CPU Reference2………,,0.800V*.......: Auto <<< .67% Of Vtt (Termination above) Auto Will set this correctly
    MCH/ICH
    MCH Core…………….....1.100V...........: 1.20<<
    MCH Reference….…….0.800V...........; Auto <<<
    LeaveMCH/DRAM Ref.…......0.900V...........: Auto <<< Leave
    ICH I/O……………….....1.550V............: 1.50<<< Leave
    ICH Core…………...……1.100V............: 1.20<<< Leave
    DRAM
    DRAM Voltage ……....1.800V............: 2.06
    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[/URL]/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 ..............[Enabled] *Note* Must be enabled to flash from USB
    Last edited by picman123; 12-15-2008 at 08:01 PM. Reason: Memory frequency incorrect

  4. #4

    Default Re: First post first oc looking for stable 3.50 OC

    Try more MCH core v. like 1.24-1.28 or even 1.32. I think 1.28 should be good

    Also try lowering the MCH ref to .70 or maybe lower

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: First post first oc looking for stable 3.50 OC

    See also if this helps >>>

    CPU Vcore….……….........................:1.30 << more
    CPU Termination…..... 1.200V*.......: 1.24-1.36
    CPU PLL…………………....1.500V*.......: 1.5-1.55

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.24-1.28

  6. #6
    Join Date
    Dec 2008
    Posts
    7

    Default Re: First post first oc looking for stable 3.50 OC

    Thanks Speed and LSD, that doesn't sound right!
    I will give your suggestions a try tonight.
    One other thing that has happened the last couple of times the PC was on is that after I leave it for a while I think it is about 2 hours + and both times the PC was doing work. Last night my Raid 5 array was rebuilding and the other night It was encoding a DVD, I came back to see how things were going and the PC was shutdown. When I started it, both times, it would not reboot but come back to windows desktop( Vista sp1). If I checked the PC every hour or so it would stay on but after 2 hours it would shut down. Does this sound like a heat problem or could it be related to the stability of the PC? The core temps while these jobs were running was in the low to mid 30c range. Thanks again. I will report back later tonight.
    Last edited by picman123; 12-16-2008 at 07:59 PM.

  7. #7
    Join Date
    Dec 2008
    Posts
    7

    Default Re: First post first oc looking for stable 3.50 OC

    I tried all the suggestions and I got my second BSOD on the first change I did. So I had to clear the CMOS and reload a test 3.50 profile I saved. I tried smaller incremental changes from your suggestions but everything I tried caused a series of beeps and I had to push the reset button to shutdown the PC. So, I tried to decrease some of the voltages and had the same results many beeps and a reset. Any other suggestions? I may have to go back to the 333 latch on a lower OC to make sure it is still functioning.

  8. #8
    Join Date
    Dec 2008
    Posts
    7

    Default Re: First post first oc looking for stable 3.50 OC

    I wanted to follow up on the PC shutting down on it's own. After the testing I did with your suggestions I decided to load the optimized defaults and make some changes to the Power Options so that nothing will go down ever for all settings and leave the PC up over night to see if it shut down. I will follow up in th morning.

  9. #9
    Join Date
    Dec 2008
    Posts
    7

    Default Re: First post first oc looking for stable 3.50 OC

    Well, I have one bit of good news this morning. After, reseting to optimized defaults the PC has been up for 8 hours and the Raid array is 43% rebuilt. I will leave it up for the day and see if the array gets completed. Still not sure what to do about the 3.50 OC. I will wait for more suggestions. I know the guru's here will come up with something. Thanks again for your help.

  10. #10
    Join Date
    Dec 2008
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    Default Re: First post first oc looking for stable 3.50 OC

    Last night the Raid array finished rebuilding successfully and the PC was up for over 24 hours. The shutting down issue looks like it is resolved. As far as the 3.5 OC stability issue goes I think I will go back to get a stabile OC at a 333 latch and work my way up again, 3.2, and see if i can get to a 400 latch. Unless someone has some other suggestions. Thank you.

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