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Thread: Normal Voltage for E6750




  1. #111
    Ken429 is offline Senior Member
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    Default Re: Normal Voltage for E6750

    I went and updated the BIOS to FE in the hopes that it would allow the machine to run at FSB 450 with the 2.40B strap with all of the other above settings the same. The end result was not good but it did change, the system booted ok and W7 ran for about 5 seconds and then came the BSOD. Looks like FE made a lot of people happy that were having memory issues but it did not change much on this system. But... it did get into W7 (no red box of distress) and looked like it wanted to run - any other ideas on what I could change to get it stable at 2.40B would be appreciated.
    Last edited by Ken429; 03-28-2010 at 11:08 PM.

  2. #112
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Normal Voltage for E6750

    Sure, please post your settings now that are causing you issues and we'll see if we can get this sorted.

    I do advise sticking with the new BIOS

  3. #113
    Ken429 is offline Senior Member
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    Default 9550

    Oops #2 - I had the wrong timings for 2.40B! Rejoice, I am another happy BIOS ugrader Gigabyte has fixed the BIOS (FE) and now the system will run at 2.40B with a tRD of 8. So it appears the "slow learner" was slightly handicaped with a BIOS that would not do what everybody else was able to do.

    ProfJim you now have another winner under your belt. Should I plug in the timings you gave me for the Q9550 system or do you have something else in mind?

    Code:
    Motherboard: Model: GA-EP45-UD3P(rev 1.6) Bios Version:  FE
    Cpu: E6750
    Ram: 2 X 2 GB Brand:  Mushkin 996599
    Power Supply Unit: Corsair 620HX
    
    
    MB Intelligent Tweaker (M.I.T.)
    Robust Graphics Booster ---------------- : [Auto] 
    CPU Clock Ratio ------------------------ : [ 8 X]
    CPU Frequency -----------------------: 3.60GHz( 450X8)
    
    Clock Chip Control
    
    Standard Clock Control
    CPU Host Clock Control ----------------- : [Enabled]
    CPU Host Frequency (Mhz) --------------- : [ 450]
    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 ----------------- : [Disabled]
    (G)MCH Frequency Latch ----------------- : [Auto]
    System Memory Multiplier --------------- : [2.40B]
    Memory Frequency (Mhz) ----------------- : 1066 1080
    DRAM Timing Selectable -(SPD)----------- : [Manual]
    
    Standard Timing Control
    CAS Latency Time -------- 5 ------------ : [5]		
    tRCD -------------------- 7 ------------ : [   5]	
    tRP --------------------- 7 ------------ : [   5]	
    tRAS ------------------- 24 ------------ : [  15]	
    
    Advanced Timing Control    [Press Enter]
    tRRD -------------------- 4 ------------ : [4]		
    tWTR -------------------- 4 ------------ : [5]		
    tWR --------------------- 8 -------------: [6]		
    tRFC ------------------- 68 ------------ : [60]		
    tRTP -------------------- 4 ------------ : [6]		
    Command Rate (CMD) ------ 0 -------------: [2]
    
    Channel A
    Channel A Timing Settings  [Press Enter]
    Static tRead Value ------ 8 ----------- :  [8]		
    tRD Phase0 Adjustment --- 0 ------------ : [Auto]
    tRD Phase1 Adjustment --- 0 ------------ : [Auto]
    tRD Phase2 Adjustment --- 0 ------------ : [Auto]
    tRD Phase3 Adjustment --- 0 ------------ : [Auto]
    
    Trd2rd(Different Rank) -- 6 ------------ : [Auto]
    Twr2wr(Different Rank) -- 6 ------------ : [Auto]
    Twr2rd(Different Rank) -- 5 ------------ : [Auto]
    Trd2wr(Same/Diff Rank) -- 8 ------------ : [Auto]
    
    Dimm1 Clock Skew Control --------------- : [Auto]
    Dimm2 Clock Skew Control --------------- : [Auto]
    DDR Write Training --------------------- : [Auto]
    
    Channel A Driving Settings [Press Enter]
    Driving Strength Profile --------------- : [Auto]
    Data Driving Pull-Up Level ------------- : [Auto]
    Cmd  Driving Pull-Up Level ------------- : [Auto]
    Ctrl Driving Pull-Up Level ------------- : [Auto]
    Clk  Driving Pull-Up Level ------------- : [Auto]
    
    Data Driving Pull-Down Level ----------- : [Auto]
    Cmd  Driving Pull-Down Level ----------- : [Auto]
    Ctrl Driving Pull-Down Level ----------- : [Auto]
    Clk  Driving Pull-Down Level ----------- : [Auto]
    
    Channel B
    Channel B Timing Settings  [Press Enter]
    Static tRead Value ------ 8 ------------ : [8]		
    tRD Phase0 Adjustment --- 0 ------------ : [Auto]
    tRD Phase1 Adjustment --- 0 ------------ : [Auto]
    tRD Phase2 Adjustment --- 0 ------------ : [Auto]
    tRD Phase3 Adjustment --- 0 ------------ : [Auto]
    
    Trd2rd(Different Rank) -- 6 ------------ : [Auto]
    Twr2wr(Different Rank) -- 6 ------------ : [Auto]
    Twr2rd(Different Rank) -- 5 ------------ : [Auto]
    Trd2wr(Same/Diff Rank) -- 8 ------------ : [Auto]
    
    Dimm1 Clock Skew Control --------------- : [Auto]
    Dimm2 Clock Skew Control --------------- : [Auto]
    DDR Write Training --------------------- : [Auto]
    
    Channel B Driving Settings [Press Enter]
    Driving Strength Profile --------------- : [Auto]
    Data Driving Pull-Up Level ------------- : [Auto]
    Cmd  Driving Pull-Up Level ------------- : [Auto]
    Ctrl Driving Pull-Up Level ------------- : [Auto]
    Clk  Driving Pull-Up Level ------------- : [Auto]
    
    Data Driving Pull-Down Level ----------- : [Auto]
    Cmd  Driving Pull-Down Level ----------- : [Auto]
    Ctrl Driving Pull-Down Level ----------- : [Auto]
    Clk  Driving Pull-Down Level ----------- : [Auto]
    
    Motherboard Voltage Control
    CPU
    Voltage Types ----------- Normal ---------- Current
    Load-Line Calibration ------------------ : [Disabled]
    CPU Vcore --------------- 1.35000V ----- : [1.43125V] 
    
    CPU Termination --------- 1.200V* ------ : [1.340V] 
    CPU PLL ----------------- 1.500V* ------ : [1.570V] 
    CPU Reference ----------- 0.760V* ------ : [Auto] 
    
    MCH/ICH
    MCH Core ---------------- 1.100V ------- : [1.280V] 
    MCH Reference ----------- 0.760V ------- : [Auto]
    MCH/DRAM Ref ------------ 0.900V ------- : [Auto]
    ICH I/O ----------------- 1.500V ------- : [1.570V] 
    ICH Core ---------------- 1.100V ------- : [1.200V] 
    DRAM
    DRAM Voltage ------------ 1.800V ------- : [2.040V] 
    DRAM Termination -------- 0.900V ------- : [Auto]
    Channel A Reference ----- 0.900V ------- : [Auto]
    Channel B Reference ----- 0.900V ------- : [Auto]
    
    Standard CMOS Features
    Floppy A ------------------------------- : [None]
    Floppy 3 Mode Support ------------------ : [Disabled]
    
    Advanced Settings
    Hard Disk Boot Priority ---------------- : [Press Enter]
    Quick Boot ----------------------------- : [Disabled]
    First Boot Device ---------------------- : [CDROM]
    Second Boot Device --------------------- : [CDROM]
    Third Boot Device ---------------------- : [Hard Disk]
    Boot Up Floppy Seek -------------------- : [Disabled]
    Boot up Num-Lock ----------------------- : [On]
    Password Check ------------------------- : [Setup]
    HDD S.M.A.R.T. Capability -------------- : [Disabled]
    CPU Multi-Threading -------------------- : [Enabled]
    Limit CPUID Max. to 3 ------------------ : [Disabled]
    No-Execute Memory Protect -------------- : [Enabled]
    CPU Enhanced Halt (C1E) ---------------- : [Disabled]
    CPU Thermal Monitor 2 (TM2) ------------ : [Enabled]
    CPU EIST Function ---------------------- : [Disabled]
    Virtualization Technology -------------- : [Disabled] 
    Display For HDD (Secs) ----------------- : [ 0]
    Full Screen LOGO Show ------------------ : [Disabled]
    Backup BIOS Image to HDD --------------- : [Disabled]
    Init Display First --------------------- : [PEG]
    
    Integrated Peripherals
    SATA RAID/AHCI Mode -------------------- : [Disabled]
    SATA Port0-3 Native Mode --------------- : [Disabled]
    Azalia Codec --------------------------- : [Auto]
    Onboard H/W 1394 ----------------------- : [Disabled]
    Onboard H/W LAN1 ----------------------- : [Enabled]
    Onboard H/W LAN2 ----------------------- : [Enabled]
    Green Lan ------------------------------ : [Disabled]
    Smart LAN1 ----------------------------- : [Press Enter]
    Smart LAN2 ----------------------------- : [Press Enter]
    Onboard LAN1 Boot ROM ------------------ : [Disabled]
    Onboard LAN2 Boot ROM ------------------ : [Disabled]
    Onboard SATA/IDE Device ---------------- : [Enabled]
    Onboard SATA/IDE Ctrl Mode ------------- : [IDE]
    Onboard Serial Port 1 ------------------ : [Disabled]
    Onboard Parallel Port ------------------ : [Disabled]
    X Parallel Port Mode ------------------- :  SPP
    X ECP Mode Use DMA --------------------- :  3
    USB 1.0 Controlller -------------------- : [Enabled]
    USB 2.0 Controlller -------------------- : [Enabled]
    USB Keyboard Function ------------------ : [Enabled]
    USB Mouse Function --------------------- : [Enabled]
    USB Storage Function ------------------- : [Disabled]
    
    PC Health Status
    Reset Case Open Status ----------------- : [Disabled]
    CPU Warning Temperature ---------------- : [70 C/158 F]
    CPU Fan Warning ------------------------ : [Disabled]
    System Fan2 Fail Warning --------------- : [Disabled]
    Power Fan Warning ---------------------- : [Disabled]
    System Fan1 Fail Warning --------------- : [Disabled]
    CPU Smart Fan Control ------------------ : [Enabled]
    CPU Smart Fan Mode --------------------- : [PWM]
    
    Ran IBT 10 Passes.
    Last edited by Ken429; 03-29-2010 at 04:57 AM.

  4. #114
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Normal Voltage for E6750

    Your bios settings look good and you might be able to overclock a bit higher.
    Your system might be stable with the following settings:
    • CPU Host Frequency = 458 - 460MHz (3.664 - 3.680GHz)
    • Memory speed = 1099 - 1104MHz using the 2.40B memory multiplier.

    CPU Vcore might need to be increased to 1.45 or a bit higher. VTT might need a small increase.
    With load line calibration enabled, cpu vcore can probably be about 0.02 volts lower.
    I'm not a fan of enabling LLC, but many have had good results with LLC enabled.
    Code:
    Your advanced memory timings are a bit loose, and your system might work with:
    tRRD  -------------------: 3
    tWTR  -------------------: 3
    tWR ---------------------: 5
    tRFC  -------------------: 50 -52
    tRTP  -------------------: 3
    My memory is stable with 1-3-3-50-1 advanced timings at 984MHz, but the improvement in memory performance was very small with a lot of additional stress testing required.
    Running with tRFC in the low 50's should be easy with your Mushkin memory.
    I suggest that you try for a stable setup using 3-3-5-50-3 timings and call it good.
    Naturally you will have to repeat your stress tests each time you tweak your current settings.

    I don't recall what your Q9550 settings are, but it's unlikely that these settings would easily apply to your E6750.
    With your current overclock, upgrading to an E8400 in the future might be worthwhile, if you really have a need for more speed.

    I'm glad to see that you have finally achieved a decent overclock.
    It looks like the FE bios has matured to the point where your earlier issues are now a thing of the past.

    Slower learner? Naw
    Half-fast learner? Maybe
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  5. #115
    Ken429 is offline Senior Member
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    Default Re: Normal Voltage for E6750

    ProfJim,
    I just won't go away. How do I explain the 3-3-5-52-3-Auto memory settings don't run any faster than 4-5-6-60-6-2? See the latest screen dump compared to the one posted in post # 136. IBT runtime actually went up ~4 seconds when I tried 3-3-5-52-3-2! Auto in the Cimmand Rate must be doing something versus the 2 with the tighter settings since it brought the runtime back down to the slower settings?

    I also ran 3DMarkVantage and it too ran slower - lower performance 22119 (slow settings) versus 21879 (tighter settings). Up to this point everytime I did something to improve the memory timings 2.00D tRD 10 to tRD 9 to 2.40B tRD 9 to tRD 8 the scores got better.
    Last edited by Ken429; 03-29-2010 at 07:42 PM.

  6. #116
    Chike is offline Senior Member
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    Default Re: Normal Voltage for E6750

    Memory performance do not effect IBT that much. For memory performance use memory benchmark or benchmark that are more sensitive to memory performance like Super PI.

    IMO any change that does not yield better performance or even significant better performance does not worth bothering with.

  7. #117
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Normal Voltage for E6750

    Everest Cache and Memory Benchmark will show you changes between those settings for sure!

    This one I mean, try it




    tRD would have the largest changes in performance, the others will be much smaller differences.

  8. #118
    Ken429 is offline Senior Member
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    Default Re: Normal Voltage for E6750

    Does MaxxMem2 count as a good measure of memory performance? The results were:

    3-3-5-52-3-Auto = 9019,8454,7748,59.9 Fast
    4-5-6-60-6-2T = 9054,8557,7969,58.8 MushkinSean Recommended

    I got the screen shots if you are an unbeliever. So...that is three programs that "like" the MushkinSean timings better than the tighter memory timings. What do you guys think, I know I have a contrary system?
    Last edited by Ken429; 03-30-2010 at 02:15 AM.

  9. #119
    Lsdmeasap's Avatar
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    Default Re: Normal Voltage for E6750

    Well sometimes lower is not always better on all settings, so not sure what you are asking or are unsure about?

  10. #120
    Chike is offline Senior Member
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    Default Re: Normal Voltage for E6750

    It is still possible that lower tRFC will yield better results, though it does not always.
    Most benchmarks are wquqlly good, non will show the same result, but the absolute numbers are not important as long as "better" and "worse" are correct.

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