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Thread: GA-EP45-DS3R Corrupt file writes+reboot cycles




  1. #1
    Join Date
    Jun 2009
    Posts
    2

    Default GA-EP45-DS3R Corrupt file writes+reboot cycles

    Unsolved =(

    Please help me with my GA-EP45-DS3R.

    When I transfer more than about 2 terabyes of data (NOT gigabytes!), my system appears to overheat and starts flipping bits randomly in transfered files.

    After it starts flipping bits while copying, if I attempt to reboot my computer it enters a strange continuous reboot cycle. Each reboot, it turns on a few seconds, then abruptly shuts down without issuing a post code, waits, then powers back up. At this point I must flip the master (rear) power supply switch off and wait for 15 minutes for the system to cool down. After that, it boots normally again.

    The system is a stock E8400/3.0Ghz using corsair Ballistix BL23864AA1065.16FD5 memory in AHCI mode.

    I do not believe the problem is with the memory, as I have run memtest86+ for 8 hours continuously without problems. Also, it seems to be continuous drive transfers that cause the problem, and not CPU activity, as I can play games for hours on end without any problems.

    I have tried raising the ICH I/O voltage by .1V as well as the MCH core voltage by .1V, but the behavior hasn't changed at all. I thought the thing to do might be to raise the ICH core, but there is no option to do this in the bios.

    Any help is greatly appreciated.

    My settings are as follows:

    CPU = e8400
    Motherboard = GA-EP45-DS3R
    BIOS Version = F10 originally, the flashed F11C, but no change was evident.
    Ram = 4Gb

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio .............................: 9x
    Fine CPU Clock Ratio.....................: +0.0
    CPU Frequency ..............................: 3.0Ghz (333x9)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: Enabled
    CPU Host Frequency (Mhz) ............: 333
    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.).....: Disabled
    (G)MCH Frequency Latch...............:333Mhz
    System Memory Multiplier ..............: 3.20B
    Memory Frequency (Mhz) ..............: 1066
    DRAM Timing Selectable ................: Auto

    Standard Timing Control
    CAS Latency Time........................: 5 Auto
    tRCD .............................................: 7 Auto
    tRP............................................... ..: 7 Auto
    tRAS.............................................. : 24 Auto


    Advanced Timing Control
    tRRD...........................................: 4 Auto
    tWTR..........................................:4 Auto
    tWR............................................: 8 Auto
    tRFC...........................................:56 Auto
    tRTP...........................................:4 Auto
    Command Rate (CMD) ....................:0 Auto


    Channel A
    Static tRead Value.........................: 8 auto
    Channel B
    Static tRead Value.........................: 8 auto


    Motherboard Voltage Control
    CPU
    CPU Vcore….………................................: 1.25 auto
    CPU Termination…..... 1.200V*...............: 1.2 auto
    CPU PLL…………………....1.500V*.......: 1.5 auto
    CPU Referen.…………....0.755V*...........: .76 auto


    MCH/ICH
    MCH Core…………….....1.100V...........: 1.3v
    MCH Reference….…….0.800V............: .76 auto
    MCH/DRAM Ref.…......0.900V..............: .9 auto
    ICH I/O……………….....1.500V............: 1.5 auto
    ICH Core…………...……1.100V...........: NO SUCH OPTION IN F10/F11C?

    DRAM
    DRAM Voltage ……....1.800V............: 1.8 auto
    DRAM Termination .…0.900V............: .9 auto
    Channel A Reference 0.900V............: .9 auto
    Channel B Reference 0.900V............: .9 auto
    Last edited by cwm9; 06-16-2009 at 05:41 AM.

  2. #2
    Join Date
    Apr 2009
    Location
    Kent, UK
    Posts
    62

    Default Re: GA-EP45-DS3R Corrupt file writes+reboot cycles

    I can't shed any light on your problems, but I also suffer with the continuous reboot problem (seems quite a few others do to) when I either reset my system or alter settings in the BIOS, it does not do it every time, only sometimes but does make overclocking a pain - I have to switch it off at the wall/PSU then it usually boots fine.

    Apparently it could be that some settings need fine tuning. See my thread here.

    Just a thought on your issue, could it be that your drives are getting too hot when moving large amounts of data, have you checked to see how hot everything is running?

  3. #3
    Join Date
    Jun 2009
    Posts
    2

    Default Re: GA-EP45-DS3R Corrupt file writes+reboot cycles

    Quote Originally Posted by Ronski View Post
    Just a thought on your issue, could it be that your drives are getting too hot when moving large amounts of data, have you checked to see how hot everything is running?
    The drives are cool. Each has it's own fan. Also, when the problem happens, I can be transferring data only between two 1TB drives, then switch to two other drives that had been spun down the whole time and they also exhibit the same problem. The issue is definitely on the MB.

    The southbridge chip is the hottest, but not so hot it burns me. The whole computer runs pretty cool.

    I had similar problems with my last computer which was an ICH9 motherboard. I'm beginning to think this is a "feature" of Intel southbridge ICH subsections. With my prior motherboard, I only had problems in AHCI mode, but the problems were very similar to what I am experiencing now. In my current system, I can't really change from AHCI to standard because I need to hotswap, so i can't test that easily.

    The only thing I can think of is to never buy an Intel based chipset again or to install a 3rd party SATA controller, and I really don't want to go either of those routes.

    What I'd like is a bios that I can bump the ICH voltage on and possible have the 1.20v AHCI bios (just in case that's the culprit, but I doubt it, unless the bios tinkers with ICH timing/voltage.)

    Or for Gigabyte to come along and offer another suggestion?
    Last edited by cwm9; 06-16-2009 at 04:20 AM.

  4. #4
    Join Date
    Nov 2008
    Location
    Hu3zil
    Posts
    64

    Default Re: GA-EP45-DS3R Corrupt file writes+reboot cycles

    I don't have 1TB Hard Drives, but regarding ICH temperature, it's pretty cool with my mobo, stayed 30 seconds touching ICH heatsink and haven't noticed anything hot.

    The strange reboot cycle happens with me too, Intel chipset related, not the mobo itself, in Adrenaline forums, in portuguese, a lot of people with mobos with P45 from many brands report this problem, i'm already used to that.

    About ICH Voltage, no such option for EP45-DS3/R, the reason for that value being absent not even God knows

    Perhaps you should RMA the board, there's nothing much you can do.

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