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Thread: EP45T-USB3P/E8600 Stability Problems




  1. #1
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    Default EP45T-USB3P/E8600 Stability Problems

    I had my Q9650 in this Rig but I couldn't run 4.0GHz so I swaped the CPU's in my RIG's. I thought my E8600 would do it without any problems - I was wrong. I'm currently trying to run 4.05GHz (450x9) - I can pass Memtest86+ v4.0 for 11 hours running my RAM at 1500,1333,and 1200 but I can't seem to get past Prime95. I get a fatal error on the 768K test twice today trying to down clock my RAM to 1200. I also had it stop working when testing RAM at 1500 and 1333 - no errors - just shut down after running the 48K test twice. That's why I dropped my RAM down to 1200 thinking I might get lucky. "NO GO". I'm starting to think the problem is my RAM,MOBO,or ME. Man I need help - any suggestions right or wrong would be appreciated.
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  2. #2
    Chike is offline Senior Member
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    Hey wibujo how are you doing?
    Mind posting your settings and a the link to your Q9650 thread?
    How did the E8600 clocked on the other MB?
    This is just first BIOS release maybe things will improve with newer releases.

  3. #3
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    Chike, How's it goin? Man, I would be doing better if I could just take everything you guy's have taught me and make it work. lol. You all have taught me so much in a short amount of time it's hard to take it all in. LSD helped me with the EP45-UD3P/E8600 setup - HE got me to 4.27GHz - It seemed pretty fast to me. I kind of wished I'd left my E8600 in that RIG. Now that I have my Quad in it I'm going to have a sizzle and burn session with it. "4.0GHz or else". I ordered 2 more fans for it (should be here tomorrow). I want give that Quad a decent chance to survive.lol. Anyway, I'd really like to Get the EP45T-USB3P/E8600 running 4.05GHz and RAM at 1333. It's starting to get warm here and this will be my summer settings. I'm trying to keep my voltages as low as possible. Here's a copy of what I've been working on.(BIOS settings)

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............:Fast
    CPU Clock Ratio .......................:9
    Fine CPU Clock Ratio...................:.0
    CPU Frequency .........................:4.05GHz (450x9)

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control.................:Enabled
    CPU Host Frequency (Mhz) ..............:450Mhz
    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)....................:0ps
    MCH Clock Skew (ps)....................:0ps

    DRAM Performance Control
    Performance Enhance....................:STANDARD
    Extreme Memory Profile (X.M.P.)........:Profile 1
    (G)MCH Frequency Latch.................:Auto
    System Memory Multiplier ..............:2.66DD
    Memory Frequency (Mhz) ......1600......:1200
    DRAM Timing Selectable ................:Manual

    Standard Timing Control
    CAS Latency Time......................7:6
    tRCD .................................8:6
    tRP'..................................7:6
    tRAS.................................24:18

    Advanced Timing Control
    tRRD..................................5:4
    tWTR..................................6:5
    tWR..................................12:10
    tRFC.................................88:74
    tRTP..................................6:5
    Command Rate (CMD) ...................0:2

    Driving Strength Profiles
    Driving Strength ......................:Auto only in BIOS

    Channel A
    Static tRead Value....................7:7
    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....................7:7
    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
    Load-Line Calibration..................:Disabled
    CPU Vcore..............1.25000v........:1.31250v (1.28)
    CPU Termination........1.200V..........:1.280v
    CPU PLL................1.500V..........:1.570v
    CPU Reference..........0.760V..........:0.810v
    CPU Reference2.........0.800V..........:Don't have

    MCH/ICH
    MCH Core...............1.100V..........:1.260v
    MCH Reference..........0.760V..........:0.810v
    MCH/DRAM Ref...........0.750V..........:Normal
    ICH I/O................1.500V..........:Normal
    ICH Core...............1.100V..........:Normal

    DRAM
    DRAM Voltage...........1.500V..........:1.35v
    DRAM Termination.......0.750V..........:Normal
    Ch-A Data VRef.........0.750V..........:Normal
    Ch-B Data VRef.........0.750V..........:Normal
    CH-A Address VRef......0.750v..........:Normal
    Ch-B Address VRef......0.750...........:Normal

    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
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  4. #4
    Chike is offline Senior Member
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    For a start references should be auto not normal also DRAM Termination.
    That's the settings you had it at 4.2GHz?
    Please post yhe links for both the old E8600 and Q9650 threads for reference.
    Last edited by Chike; 04-13-2010 at 11:16 AM.

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    +1 ^^ set all those ref/terminations you have on normal to auto

    Disable XMP, then raise tRD to 8-9 for now until you get this sorted.

    Rest looks ok to me, is this 1.35V ram? Can you link to it please and tell us how many GB you are using, thanks.

    What is your MCH ref when Vtt is 1.20?

  6. #6
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    You guy's are great. I made the adjustments you guy's suggested and ran Prime95 for 2 hours with no errors. It made it past the point where I was having problems. (I know I've got alot of stressing to do). When I disabled "XMP" - suggested settings in BIOS changed - tRD 8 would do a warm reboot but not cold reboot - So I set it to tRD 9 and works fine. MCH Reference is set to .76v when Vtt is set to 1.200v - 0.810v when Vtt is set to 1.280v. I'm running 8GB of RAM and it's recommended voltage is 1.35v. - 1 click up on DRAM voltage is 1.45v - G.Skill gave me the OK to raise it to 1.45v. If you think my RAM should run at a different Frequency or strap please let me know before I start getting serious with the stressing. My main goal is CPU 4.0GHZ and summer settings - I don't care where RAM runs as long as it's not slow.

    forums.tweaktown.com/f69/ep45t-usb3p-problem-psu-38405/
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  7. #7
    Chike is offline Senior Member
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    Why don't you use the same settings as you had with the Q9650 you had the memory at nearly 1500 with tRD 8.

  8. #8
    Lsdmeasap's Avatar
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    Yes more voltage may be needed anyway since you are using more than one kit. You may need 1.4-1.5V

  9. #9
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    Chike/LSD, Sorry sometimes my common sense is lacking when I'm tired. I used most of the BIOS settings I used when my Quad was in this RIG. Standard Timings: 6-7-6-20 - Advanced Timings: 4-5-10-74-5-2 (Had auto set before and XMP was Enabled - now Disabled) - tRD 8 - The only stressing I've so far is IBT Standard ( 28.2 GFlops / CPU 60c / Core 0 56c /Core 1 54c) - IBT Maxium (29.35 GFlops / CPU 63c / Core 0 59c / Core 1 57c ) RAM is running 1500 - 3.33D Strap - 1.45v . Do you think I'm ready to start running Memtest (if necessary) or Prime 95 Blend??? I tryed to install the links to the threads you were asking for - I'm not sure happened. I'll try again.

    forums.tweaktown.com/f69/ep45t-usb3p-problem-psu-38405/

    forums.tweaktown.com/f69/template-4-27ghz-ep45-ud3p-36738/
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  10. #10
    Chike is offline Senior Member
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    Default Re: EP45T-USB3P/E8600 Stability Problems

    GFlops are great and temperatures are more than fine, I don't see any proplem if you clock the CPU higher.
    It's a bit of a mistery why CPU show highr temperature than the cores, maybe the BIOS is not calibrated so well.
    Yes run blend 8+ hours, maybe an hour or two small and large first.
    Memtest86+ is not much of a stress program and since you already ran IBT you may skip it.
    I hope your timing hold, they are quite tight for 1500 but maybe the extra voltage help them.
    Maybe you can get it to work at 1600 with the 3.33D multiplier and 480MHz FSB for 4.08GHz with 8.5 multiplier.

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