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Thread: EP45-UD3R boot loop




  1. #21
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    Default Re: EP45-UD3R boot loop

    Quote Originally Posted by Chike View Post
    I guess you can cinsider testing another video card as done then :-)
    So loading optimized defaults cause a boot loop? After you discharge and go back in MIT do you get a red warning? Do thCPU/PCI-E Clock drives remain as optimized defaults (800/900 respectively)?
    No warnings, everything seemed to be in order. Didn't notice any problems with the defaults being set incorrectly.

    BTW: I think I already stated this but it doesn't loop if I just reboot, only seems to loop from a major BIOS setting change or from a cold boot.
    Last edited by HyperEX; 02-09-2010 at 04:53 AM.
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  2. #22
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Exclamation Re: EP45-UD3R boot loop

    • Fail-Safe Bios Settings usually cause more problems than they solve.
    • Optimized Bios Settings are the foundation for a stable system, but they don't guarantee it.
    • With optimized defaults, some systems are not stable or they have boot loop problems when running at stock speeds.
    • Fail-Safe defaults are dangerous at any speed. GB needs to rename this to Failure Prone Settings.
    • In a few cases, these unmodified options appear to be stable with overclocked systems. I doubt that these claimed "stable" systems have run any extended stress/stability tests.


    This is why I created the post for EP4x systems where some of the voltage settings are manually set to the values displayed in the bios, just to the left of [Auto] column. Loading optimized settings and then manually setting the specified voltages has cured many systems of their boot loop and/or stability issues with standard cpu and memory speeds. Depending on the amount of memory installed and memory speed, DRAM VOLTAGE and MCH CORE need to be manually set to a value in the suggested range of values in the post. Once the system is stable at stock speeds, additional tweaks are made when overclocking.

    Saving and Applying Bios Settings versus Saving or Loading Saved Bios Profiles
    There seems to be some confusion about "saving" bios settings. The standard way of saving bios settings is to "Save Settings and Exit", which means that your bios settings are applied and your system reboots. You can also save your complete bios settings as a Saved Bios Profile, where you can save up to eight separate profiles. Each saved profile can (and should) have a unique name, up to 15 characters long. You can't delete a saved bios profile, but you can overwrite a profile with a new or modified profile, and you can change the profile name by typing over the former name. Saving a bios profile does NOT apply the bios settings until you save settings and exit. F11 is used to save or overwrite a bios profile. F12 is used to load one of your saved bios profiles. Once you load a saved profile, you are free to make any bios changes to the just loaded settings. If you load a profile, make some changes and then save settings and exit, your modified settings are applied, but the changes are NOT saved to the bios profile that you just loaded. F11 (Save CMOS to BIOS) and F12 (Load CMOS from BIOS) are performed at the Main Menu screen of the bios. Saved bios profiles are never automatically updated when you load a profile, make any changes, and then "save settings and exit."

    On my systems, I have a mix of saved bios profiles where some of the profiles are tested stable setups and others are not fully stable configurations that are works in progress.

    How the bios sometimes is reset to "safe" settings.
    Sometimes when booting, if the bios barfs on the applied bios settings, the bios will often attempt booting with "safe" cpu and memory speeds and settings. This will not be readily apparent if you have "Full Screen Logo Show" enabled. When this setting is disabled, the screen will display the cpu and memory speeds, when you initially boot your system. If you see default speeds with your overclocked system, you should immediately enter the bios and go to the MIT section, where you will probably be greeted with a red warning box with an error message. With newer systems, it will appear that none of your bios settings have changed. When this happens, I reload my saved bios profile (F12 from the main bios screen) and then make any needed changes.

    Related Topics That Aren't Covered:
    Saved bios profiles after flashing to a different bios version.
    Trying to use stable bios settings with a newer or older bios version.
    Why you really need a saved hard copy of your saved bios profiles.
    Do I have to accurately fill in my actual bios settings when I post the settings. [duh]
    Q9650 @ 4.10GHz [9x456MHz]
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    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
    .


  3. #23
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    Default Re: EP45-UD3R boot loop

    I've cleared CMOS using a jumper from one of my older IDE hard-drives; however I did not also remove the CMOS battery as the guide mentioned it was optional.

    The jumper by itself seemed to be all that was required, as it indeed did clear all CMOS settings. I then loaded optimized defaults, adjusted RAM voltage, then save & exit.

    Same problem as before.

    Any other things that could be causing this? Later today, I may try the same exact thing, but this time only running 4GB instead of 8.

    But the question is, why would running 8 cause a boot loop problem? And if it was caused due to 8, wouldn't it simply be correctable via upping DRAM/MCH voltage?

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  4. #24
    Chike is offline Senior Member
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    Default Re: EP45-UD3R boot loop

    For how long have you left the jumper on?
    Normally just touching the pins with metal object will clear the CMOS. However, when trying to resolve a problem like your the best thing is to do it right. After you had left the jumber on with the battery out for 8-12 hours it will be safe to assume this is not the problem.

    As of the "whys" I doubt anyone can answer, all the suggestions given before were to to try and find the problem in a way of alimination the suspected part at fault.
    It may be one of the memory sticks or the board, possibly something else (e.g. USB device).
    Memory related issues/incompatibilities are sometimes solved by BIOS updates, otherwise we are just trying to help you fix it with settings if possible or decide which of the components to ask RMA for.
    But it must be done in methidical way.

  5. #25
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    Default Re: EP45-UD3R boot loop

    Thank you for the input, I will again reset CMOS but this time without battery and for 8 hours. Wish me luck!
    G1.Assassin 2 (F11)
    i7 3820
    Noctua NH-D14 SE2011
    GeForce GTX 680 DirectCU II TOP
    DOMINATOR GT (4x4GB) DDR3 2133 MHz 9-11-10-27 @ 1.5V
    Sandisk Extreme 240GB / Barracuda 1TB
    Win8 Pro x64
    Corsair HX750
    HAF-X

  6. #26
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    Default Re: EP45-UD3R boot loop

    do not want to hijack this thread, but I have the exact same board and memory (8GB) and started having this issue when I took out 2 sticks and tried to overclock. I also updated the bios to f12 but loaded optimized defaults and made new settings profiles. I get the same exact problem as hyperEX, cold boot or any bios change starts a reboot loop and I have to clear CMOS or turn off the power supply using the button in back of it.

    Perhaps I damaged something when I removed memory or shorted something out or fired something. I am not sure what I did, but no matter what the bios setting is it starts a reboot loop when i change something or cold boot. just wanted to throw my problem in there and what i did to try and resolve it. hopefully you get it resolved hyperEX

    /end thread hijack

  7. #27
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    Default Re: EP45-UD3R boot loop

    Well, the full CMOS clear for 8 hours didn't work.

    After 8 hours with jumper on CLR_CMOS and battery out, loaded it back up, loaded optimized defaults, set RAM to 2.1V, save and exit.

    Reboot loop after CMOS settings applied.

    Then afterwards, I only left in 2 sticks of memory, load optimized defaults, RAM voltage change. Same problem.

    Then the same thing, but this time with ONE stick of memory, same problem.




    I have been searching for others with this problem, and have found others with the same problem as myself, but in their case it almost always seemed to happen after a bad OC.

    Keep in mind, I have never overclocked anything on this board.
    G1.Assassin 2 (F11)
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  8. #28
    Chike is offline Senior Member
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    Default Re: EP45-UD3R boot loop

    Try another stick alone, try it in different slots.
    Try the old video card.
    Disconnect all peripherals other then the keyboard.

  9. #29
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    Arrow Re: EP45-UD3R boot loop (4GB Test @ 800MHz)

    Once you're done with Chike's single module tests, the next step is to try booting with 2x2GB of memory with 800MHz speeds and memory timings.
    The initial goal is to get your system stable using 800MHz speeds.

    • Label each memory module with a unique name, such as A1, A2, B1 and B2.
    • A1 and A2 will be for one memory channel. B1 and B2 will be for the other memory channel and/or for additional testing.
    • You will probably need to make the bios changes while you are using a single installed memory module.
    • Load optimized bios setting defaults. Don't bother with an extended Clear_Bios unless needed.
    • Manually make all the bios changes in the (code) section of this post. Enter the settings as listed with No Changes.
    • After making all of the changes, save this settings as a saved bios profile from the main bios screen. Give the saved bios profile a unique, meaningful name, up to 15 characters/numbers/symbols long..
    • Save settings and exit the bios [F10] and turn your computer off.
    • Power off your power supply unit using the psu on/off switch.
    • Insert the "A" memory kit in memory slots 1 & 3.
    • Disconnect all unneeded hardware, using only cpu, heat-sink, memory, video card, ps/2 keyboard and motherboard speaker. No hard drive, cdrom drive, mouse. Disconnect any hardware and cables/wires that aren't absolutely needed for booting, including USB devices and audio connections. Are your testing with your motherboard removed from the case, where it is resting on a cardboard box of set of boots next to your computer case?

    Testing with 4GB
    If there are any boot problems, it might be related to the MCH Core setting in the bios.

    1. If you experience a boot loop, let it repeat for about eight loops to see if your system will finally boot.
    2. When your system boots, immediately go into the bios and confirm that the bios hasn't been reset. When you enter the MIT bios section, if you see a red error message box, the bios has defaulted to some sort of "safe" settings, even though it looks liket nothing has changed in the bios. Just to be safe, continue with step 3 if there were more than 2 boot attempts (aka double boot), even if there is no error message box.
    3. Return to the main bios screen and press [F12] to reload your saved bios profile.
    4. Save settings and exit the bios.
    5. Immediately turn off your system and install a floppy drive or cdrom drive so that you can boot directly into Memtest86+ and run a shortened system/memory test of at least 3 - 5 passes.
    6. If there are no errors, turn off your system and replace the "A" memory kit with the "B" kit memory modules.
    7. If there are memory errors while using the "A" kit, move the "A" modules from memory slots 1 & 3 to slots 2 & 4 and retest.
    8. If there are memory errors using slots 2 & 4, repeat the memory tests, using the "B" memory module kit in slots 1 & 3 and/or slots 2 & 4.
    9. If there are memory errors using the "B" memory kit, you should try testing with a borrowed 2x2GB kit (800, 1000, or 1066 MHz).
    10. Note: If needed, you can test with a pair of memory modules in memory slots 1 and 2, but your memory bandwidth will be reduced by about 10% because your memory will be running in single channel mode. Note all error details, e.g. elapsed time, pass #, etc.

    Are we having fun yet?
    Code:
    ++++++++++
    Motherboard: GA-EP45-UD3R v1.1 BIOS F12
    Cpu: E8500 Wolfdale
    Ram: G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (x2) 
    ------------ http://tinyurl.com/ygxftcx
    Power Supply Unit: BFG GX 550W 
    ------------ http://www.bfgtech.com/bfgr550wgxpsu.aspx
    ++++++++++
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster --------------- : [Auto]
    CPU Clock Ratio ----------------------- : [9X]
    Fine CPU Clock Ratio ------------------ : [.5]
    CPU Frequency ---------------------- 3.16GHz (333x9.5)
    
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control ---------------- : [Disabled]
    CPU Host Frequency (Mhz) -------------- : 333 Mhz
    PCI Express Frequency (Mhz) ----------- : [100]
    
    C.I.A.2  ------------------------------ :[Disabled]
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive
    CPU Clock Drive ----------------------- : [800] <-- verify that these 4 settings are as shown, do not manually set these!!
    PCI Express Clock Drive --------------- : [900]
    CPU Clock Skew (ps) ------------------- : [0ps]
    MCH Clock Skew (ps) ------------------- : [0ps]
    
    DRAM Performance Control
    Performance Enhance ------------------- : [Standard] <---  don't use the Extreme option
    Extreme Memory Profile --- (X.M.P.) --- : [Disabled]
    
    (G)MCH Frequency Latch ---------------- : [Auto]
    System Memory Multiplier -------------- : [2.40B] <--- for 800MHz speeds
    Memory Frequency (Mhz) ---------------- 800 <--- this is set by the bios (333x2.40)
    DRAM Timing Selectable ---------------- : [Manual]
    
    Standard Timing Control
    CAS Latency Time --------- 5 ---------- : [5] <--- manually set these primary timings
    tRCD --------------------  5 ---------- : [5]
    tRP ---------------------- 5 ---------- : [5]
    tRAS -------------------- 15 ---------- : [15]
    
    Advanced Timing Control
    tRRD ------------------- 4 ------------ : [Auto] <--- leave these set to Auto
    tWTR ------------------- 4 ------------ : [Auto]
    tWR --------------------13 ------------ : [Auto]
    tRFC -------------------68 ------------ : [Auto]
    tRTP ------------------- 4 ------------ : [Auto]
    Command Rate (CMD) ------0--------------: [Auto]
    
    Driving Strength Profiles
    Driving Strength --------- : Press Enter <--- leave channel A & B set to Auto
    
    Channel A
    Static tRead Value ----------- 6 ------ : [8] <--- aka tRD or Performance Level
    tRD Phase0 Adjustment -------- 0 ------ : [Auto] <--- leave at default Auto setting (and below)
    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]
    
    Channel B
    Static tRead Value ----------- 6 ------ : [8] <--- aka tRD or Performance Level
    tRD Phase0 Adjustment -------- 0 ------ : [Auto] <--- leave at default Auto setting (and below)
    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]
    
    Motherboard Voltage Control
    CPU
    Voltage Types------------ Normal --------- Current -----
    Load-Line Calibration ----------------- : [Disabled]
    CPU Vcore -------------- 1.????? ------ : [ ] <--- manually set to the 1.????? value displayed in your bios
    CPU Termination -------- 1.???V ------- : [ ] <--- manually set to the 1.??? value displayed in your bios
    CPU PLL ---------------- 1.???V ------- : [ ] <--- manually set to the 1.??? value displayed in your bios
    MCH/ICH
    MCH Core --------------- 1.100V ------- : [1.05] <--- 0.95, 1.15 or 1.20 might be needed 
    ICH I/O ---------------- 1.500V ------- : [1.500] <--- or the value displayed to the left in your bios
    ICH Core --------------- 1.100V ------- : [1.100] <--- or the value displayed to the left in your bios
    DRAM
    DRAM Voltage ----------- 1.800V ------- : [1.80] <--- for 800MHz with 5-5-5-15 primary memory timings
    
    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]
    Last edited by profJim; 02-11-2010 at 03:09 AM.
    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
    .


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