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Thread: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settings




  1. #1
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    Default Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settings

    When I alter settings in the BIOS, the majority of the time on reboot the PC will just keep rebooting which is a major pain in the rear when trying to overclock, as the only way to stop the reboot cycle is to crawl under my desk and turn the power off, let all residual power drain and then turn it back on, but sometimes it will still reboot cycle and I have to turn off again. It does this even if I use settings that I know are stable, such as loading a saved profile. I've also found it does this if I ever need to use the reset button.

    I'm using the F10 Bios and apart from this one problem my PC works perfectly, even from S3.

    I should also mention that it's always done this, even when I had different CPU (Q6600), memory and graphics cards.


    Any idea's as I'd like to tweak my system a bit more, but this problems is so annoying?

    My Specs are:


    • Antec P180 Aluminum Case, top two fans changed to Arctic Cooling 12025 120mm PWM Case Fans - speed controlled by BIOS, lower chamber fan moved to hard drive side, Antec Tri-cool fan fitted in front of upper hard drive bay.
    • Motherboard Gigabyte GA-EP45-DS3R (rev. 1.0) Intel® P45 + ICH10R Chipset
    • QX6850 3.2Ghz
    • Tuniq Tower 120 with Arctic Cooling 12025 120mm PWM Case Fan fitted
    • 4Gb x 1GB DDR2-1000Mhz CellShock. PC2-8000 Micron D9GKX chips.
    • OCZ Memory Cooler - modified with home made plastic lower mounting braket to clear graphics card, and replaced the stock unreliable fans!
    • Corsair HX Series 520w modular PSU
    • Asus Tri Fan 4870x2 2GB
    • Samsung SP2504C 250GB Sata
    • 2 x Samsung HD502iJ F1 500GB Sata
    • Pioneer DVR-215BK 20X SATA DVD±RW DL Ram Int Black - OEM
    • LG L204WT 20" 5ms 1680 X 1050 16:10 Widescreen Tilt LCD Monitor
    • Dual Boot XP/Vista Home Premium 64bit

  2. #2
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    For me too, is a major pain, the motherboard becomes a lot more stable when you raise MCH voltage, i use 1.20v, +0.1v from default.

    But for me, S3 won't resume, enter in reboot loop and stays forever like this, the only fix is the same way as yours, crawling under the desk and hit the power supply switch.

    My CPU is a Q6600, overclocked to 3.2Ghz, 400x8.

    For me, and i need to test this, 45nm processors is the fix, need to grab an spare E7300 from my friend and test like crazy.

    It seems like the motherboard doesn't have plenty of power to play with 65nm quad core, the mobo itself produces a whining sound when stressed or the EA logo from Crysis game.

    When overclocking more than 3.2Ghz, the noise becomes louder, when stressing at 3.6Ghz, i feel that my motherboard would explode, because the whining noise coming from motherboard gets higher than i consider tolerable and fear of damaging my motherboard.

    For me, that's the reason of so many reboot loops, mobo not optimized for 65nm, i don't know if a bios fix would fix that, just raising the MCH voltage is not a complete cure for the problem, it annoys me a lot, but i'm not a extreme overclocker, so i keep sticking with this board.

    So far, it's a very good mobo, but i wouldn't recommend something not fully stable to my friends and else, because of reboot loops and needing workarounds to partialy fix the problem.

    I'm testing the F11c bios, seem to be the best bios so far, F11b was completely broken, some motherboard makers do miracles with some AMD boards when overclocking is the task by just updating bios, maybe a fix is released for this, but i'm waiting for something around 7 months :lol:

    Best regards, André.

  3. #3
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    Disable the USB Legacy thing in the BIOS. USB Storage Function to [Disabled].
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  4. #4
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    Thank you both for your replies, I will disable the USB Legacy option and let you know if that helps.

    I have never had a noise from my motherboard. I never managed to get good results from overclocking my Q6600, it ran stable at 3Ghz, but I think the most I got was 3.1Ghz. With my QX6850 I can get 3.6Ghz stable and have managed to get 4Ghz stable enough to run SuperPI but not 3DMark06.

    I have long suspected that the motherboard is holding back the overclocking, the guy I bought the QX6850 from had it running at 3.6Ghz on standard voltages, I've had to raise the voltages to get 3.6Ghz, which in turn causes it to run a lot hotter.

    My S3 works perfectly since the F10 Bios, even with Bios defaults, thats with both with the Q6600 and QX6850

  5. #5
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    Disabling USB Storage Detect doesn't help in anything here, but i managed to get a stable 3.4Ghz in my Q6600, my processor is not blessed in anyway, VID 1.30, you must provide a lot of juice to get speeds higher than 3.2ghz stable.

    My way of verifying stability is using a piece of software called Intel Burn Test, makes your processor a lot hotter than Prime95 and else.

    I set in bios 1.38750v to make stable at 3.2ghz, but for 3.4Ghz, 1.45000v, too much juice for extra 200Mhz, for 3.6Ghz, i'm too afraid to try, my mobo makes that stupid whining noise lot noiser and i don't have spare money in case if my motherboard gets fried

  6. #6
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    Quote Originally Posted by NimrodAUS View Post
    Disable the USB Legacy thing in the BIOS. USB Storage Function to [Disabled].
    Just checked, it was already disabled, so anybody any other suggestions on how to stop the reboot loop after changing settings in the Bios?

  7. #7
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    Hmm Whining noises coming from a motherboard can only mean one thing. BAD. Its probably some power regulator chips starving. One time on my 8800GT I forgot to plug the PCI-e Power cord in and boy did it scream. The Legacy USB thing was just a shot in the dark. From what AHPD has said It does sorta sound like a power issue. Oh and I think I have spotted a potential problem. Corsair HX Series 520w modular PSU + Asus Tri Fan 4870x2 2GB?? Come on man that Video Card itself would take nearly all the power that PSU could offer. You need to be looking at a 800Watt PSU to do what you have.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  8. #8

    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    My system will go into the dreaded reboot loop from sometimes when it's restarted from Windows or when the reset button is pressed, especially at high FSB settings (>460) but happens only if my system settings are not 100% stable. For my system the culprit is usually insufficient MCH/CPU Term/Memory voltages, or the Static tRead setting being at a borderline.
    QX9650 batch L739A761/ GA-EP45-UD3P/ Kingston KHX9200 4x1G

  9. #9
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    For my system the culprit is usually insufficient MCH/CPU Term/Memory voltages, or the Static tRead setting being at a borderline.
    I agree 1000%.
    This can also happen when memory speeds or timings are set too high or too tight.
    When this happens on my system, the bios settings are usually preserved, but my system boots with stock settings.
    I have the boot screen picture disabled in the bios, so I instantly know what boot speed is being used.
    Entering the bios MIT section, I am then greeted with the red warning pop up box telling me of the failure.
    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
    .


  10. #10
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    Default Re: Gigabyte GA-EP45-DS3R (rev. 1.0) Constant reboot problem on adjusting Bios settin

    Quote Originally Posted by NimrodAUS View Post
    ...... Oh and I think I have spotted a potential problem. Corsair HX Series 520w modular PSU + Asus Tri Fan 4870x2 2GB?? Come on man that Video Card itself would take nearly all the power that PSU could offer. You need to be looking at a 800Watt PSU to do what you have.
    Whilst I realise that I am sailing quite close to the maximum that the power supply is rated for I am just within the max. A 4870x2 draws around 300w (25amps), the HX520 can supply around 40amps (480w) across it's 3 12v rails - each a maximum of 18amps, but 40amps combined. Total system draw from the wall socket is 500w (maxed out in Crysis), so allowing for efficiency losses (assuming 85%) the PSU is supplying 425w to the components. This is why I wish graphics card manufactures would state the peak consumption of cards and not a recommended PSU rating, as they have no way of knowing what else is in your system, and quite obviously over rate whats required. Also when the card is in 2d mode only one of the GPU's is being used and thus power draw drops considerably, as I don't game an awful lot the strain on the power supply is usually confined to short periods.

    The problem with the reboot loop was also present when I had my 8800GTS 512mb. I have to do some reading up on those over bios settings mentioned above and see if they help.

    PS. I am keeping my eye open for a HX1000 at the right price.

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