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Thread: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop




  1. #1
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    Default EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    OK ..I tried to bring my CPU up to spec setting of 2.66GHZ.from 2.126 GHZ and it would not boot! I am now in the dreaded reboot loop. I have tried to clear the CMOS to no avail, it still won't go to POST or BIOS. I have been running underclocked since I have had this board/CPU/RAM combo.I also tried to up my Dram Voltage to the recomended 1.65v and also got the reboot beep but I got back to BIOS and set it back to 1.58v and it worked until I tried to up my CPU. Now I have read in the forums that this board /Ram cobo don't get along real well but I have had it working without to much of a headache....untill I tried to bring it up to default specs.

    I had it running fine at 8x266==2.13ghz with the memory multiplier at 4.00A, 8-8-8-24 Vcore @1.2875, MCH 1.10, Dram Voltage 1.58v the rest was set to Auto. I changed it to 8x325==2.60ghz, memory multiplier 4.00D(I think) and that was that !!! can't get it to post or to BIOS. Now what? How do I fix this if I can't get to the BIOS? I am a novice at setting up the bios(really? Duh) so if you could please help and I promise I won't mess around any more!! I'm done,!

    I await your reply...

  2. #2
    Acebmxer's Avatar
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    Default Re: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    With the computer off remove the power cord from the back of the psu. Press the power button 2 times to remove all power. Then try plugging back in and try booting into the bios. If that dont work try doing the same thing along with clearing the cmos. Last resort try same thing along with removing 2 sticks of ram and try booting into the bios.

    Once in the bios select "Load Optimized Defaults" Press F10 save and exit. reboot into the bios rest your overclock that worked and was stable. The change MCH to about 1.2-1.3v and set Vdimm to what is stated on the stick of the ram along with the correct timings. Press F10 save and exit shut down and then try installing the other 2 sticks of ram boot make sure the system boots then try setting ram multi/fsb to get ram to rated speed.

    The problem is running 8gb ram 4 x 2gb sticks. This requires extra voltage to the MCH controller for the added stress of running 8gb at its rated speed.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
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    Default Re: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    Hi Acebmxer thanks for your reply.
    I have removed the plug and the battery held the button in for 1 min, took out 3 sticks of ram put the battery back in and still the dreaded reboot... OH OH...what now?

    The problem is running 8gb ram 4 x 2gb sticks. This requires extra voltage to the MCH controller for the added stress of running 8gb at its rated speed.

    but how much do I use?...I have tried to up it a little but it got hung up at the Windows screen and it went thru the ' Windows Repair" crap...but at lease I got to the BIOS.
    EP45T-USB3P Rev 1.0 Bios F1
    Q8400 2.66GHZ FSB 1333 MHZ LGA 775 45nm OCed 3.2
    Rosewill RCX-Z2 CPU HSF
    8GBs (4x2) G.Skill RipjawsX CL9 1.5v
    Kingwin Lazer Modular 1000W PSU White LED/ Blue LED /OFF
    2x WD Caviar Black 640GB HDD 7200 RPM
    2x Lite-ON DVD/CD Burner
    EVGA GeForce GTS450 SC
    Saitek Cyborg Gaming Keyboard-Backlit
    Cyborg R.A.T.7 Gaming Mouse
    Raidmax Smilodon Case ATX w/2 x 120mm, 3 x Rozwell 80mm fans, 1x 80mm Video Card Fan
    Evercool Ram Cooler
    Windows 7 Professional
    FS9/FSX /X-Plane
    Saitek Pro Flight Yoke System, Rudders, Dual Throttle Quadrants
    ACER 21.5" HD Widescreen 1920x1080 x3
    Matrox TH2G

  4. #4
    Acebmxer's Avatar
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    Default Re: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    on average users with 2x2gb 1066 ram usually need about 1.26 voltage.

    DDR3 p45 boards might be different maybe someone that has experience with these boards might now better.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





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    Default Re: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    But I have to get into my BIOS before I can set anything....It still will not coorperate...what did I go wrong? I have cleared the CMOS put one stick in and still no boot....arrrrggggg. What if I used a lower spec ram, would that get me in Acebmxer?
    EP45T-USB3P Rev 1.0 Bios F1
    Q8400 2.66GHZ FSB 1333 MHZ LGA 775 45nm OCed 3.2
    Rosewill RCX-Z2 CPU HSF
    8GBs (4x2) G.Skill RipjawsX CL9 1.5v
    Kingwin Lazer Modular 1000W PSU White LED/ Blue LED /OFF
    2x WD Caviar Black 640GB HDD 7200 RPM
    2x Lite-ON DVD/CD Burner
    EVGA GeForce GTS450 SC
    Saitek Cyborg Gaming Keyboard-Backlit
    Cyborg R.A.T.7 Gaming Mouse
    Raidmax Smilodon Case ATX w/2 x 120mm, 3 x Rozwell 80mm fans, 1x 80mm Video Card Fan
    Evercool Ram Cooler
    Windows 7 Professional
    FS9/FSX /X-Plane
    Saitek Pro Flight Yoke System, Rudders, Dual Throttle Quadrants
    ACER 21.5" HD Widescreen 1920x1080 x3
    Matrox TH2G

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    Default Re: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    Quote Originally Posted by av8tor View Post
    But I have to get into my BIOS before I can set anything....It still will not coorperate...what did I go wrong? I have cleared the CMOS put one stick in and still no boot....arrrrggggg. What if I used a lower spec ram, would that get me in Acebmxer?

    What happened with this? I just flashed to F2D on this board because of booting problems and now its stuck in a reboot loop. Does not POST, tried clearing CMOS, removing battery, only having one stick of RAM. No luck.

    EDIT: After some time of clearing the CMOS, I was able to get into the bios. But then I changed a memory setting because it would not accept all 4 memory sticks. I changed a multiplier from auto to 2.4 and now whenever I start it beeps a bunch of times and thats it. Trying to clear the CMOS again and doesnt seem like its working this time.
    Last edited by skreemer7; 11-09-2010 at 11:48 AM.

  7. #7
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    Default Re: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    well lets see.
    I dont usually respond on ddr3 threads but.
    Since you are on the same mbrd + same cpu
    As I post Im on a mch v of 1.34

    running 486 cpu ref yeh for nostalgia,but also because I dropped it slightly to test gx card limits.

    mch 1.34-1.40 for 2years now. mainly at 1.38v + and board is still running fine.
    I have 2 direct read temp sensors on mch , generally I find that if mch temperature is at 43C or below, there is no problem.
    The board doesnt have a temp sensor for MCH.

    The easy exit from the reboot loop is.
    .
    Hold down the power button until loop stops.
    then turn off the psu switch.
    Then hold down the power button until residual voltage is gone. I find 1 minute is plenty.
    Then turn psu back on and boot up.
    Go directly to bios when it posts up,probably on the third try by the pc.
    Then load and SAVE the optimised defaults.
    reboot,get back into windows , then go back to where you were on your bios tweaking.

    If that doesnt work hold down the power button for 5 min with psu turned off.
    If that doesnt work ,clear the cmos with the jumper .
    If that doesnt work thake out the battery .
    If that doesnt work.. check the emergency bios restore method for gigabyte boards.
    It had been a long time since I last saw it mentioned..but it has been posted in this forum again sometime in the last week.


    With 8 G of mixed memory 2x2 g of 800mhz mem and 2x2 g of 667 mhz mem I can run happily at 400 cpu ref(1600 fsb) 3.2ghz cpu. the 667mhz memory needs 2.16 v .mch didnt needmore than 1.26v.
    Normally I run at whats in my signature below.

    All i can tell u for sure is that a q8400 ( my vid is 1.2875v) doesnt need anymore than 1.42 v in bios to run at 4ghz on the board . 3.9Ghz around 1.38v.

    Then again that all depends on getting there with the right ref voltages ,mch voltage and memory voltages and timings.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  8. #8
    Lsdmeasap's Avatar
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    Default Re: EP45T-USB3P/Q8400/8GB Ballistix BL2Kit25664TB1608 reboot loop

    Quote Originally Posted by skreemer7 View Post
    What happened with this? I just flashed to F2D on this board because of booting problems and now its stuck in a reboot loop. Does not POST, tried clearing CMOS, removing battery, only having one stick of RAM. No luck.

    EDIT: After some time of clearing the CMOS, I was able to get into the bios. But then I changed a memory setting because it would not accept all 4 memory sticks. I changed a multiplier from auto to 2.4 and now whenever I start it beeps a bunch of times and thats it. Trying to clear the CMOS again and doesnt seem like its working this time.
    See the above for getting back into the BIOS, use one stick of memory and clear your CMOS fully.

    Then be sure tRD (Static tRead Value) is not set too high, that's usually the cause of the many multiple fast beeps.

    Sounds like this memory isn't fully compatible with this setup.

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