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Thread: Problems with GA-EP45-UD3P powering off unexpectedly




  1. #21
    Join Date
    Nov 2008
    Posts
    17

    Default Re: Problems with GA-EP45-UD3P powering off unexpectedly

    Back to the drawing board...

    Well, I removed one of the IDE DVD drives, set the primary DVD drive to 'master', went down to one memory stick in slot 1, moved the RAID to the yellow Intel controller, and left the MCH voltage at 1.260V (Manual) and Windows managed to install past the 'installing devices' part. But then the PC shut off again as I was entering in the system name during setup (~30 seconds after the 'installing devices' part ended).

    Yes, I used the Intel IH10R drivers via F6/Floppy during Windows setup.

    So, I swapped the memory sticks (other stick in slot 1) and set the MCH core voltage to [Auto] and now the PC turns off midway through the 'installing devices' part again. It doesn't seem to matter what stick I have in slot 1 but clearly the MCH voltage allows the install to go slightly further when set manually.

    Here are my settings as they stand now:

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Fast]
    CPU Clock Ratio ...........................:10x
    Fine CPU Clock Ratio.....................:+0.0
    CPU Frequency .............................:3.33Ghz (333x10)


    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...........................: 800 mv
    PCI Express Clock Drive................: 900 mv
    CPU Clock Skew ..........................: 0 ps
    MCH Clock Skew .........................: 100 ps

    DRAM Performance Control
    Performance Enhance...................: [Standard]
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............:[2.40B]
    Memory Frequency (Mhz) ...............:800
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................: 6 [Auto]
    tRCD ......................................... 6 [Auto]
    tRP'........................................... 6 [Auto]
    tRAS.......................................... 18 [Auto]

    Advanced Timing Control
    tRRD........................................... 3 [Auto]
    tWTR.......................................... 3 [Auto]
    tWR............................................ 6 [Auto]
    tRFC........................................... 56
    tRTP........................................... 3 [Auto]
    Command Rate (CMD) ....................:0 [Auto]

    Driving Strength Profiles
    Driving Strength ............................ 800

    Channel A
    Static tRead Value.........................: 9
    tRD Phase0 Adjustment...................:1 [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
    Static tRead Value.........................: 9
    tRD Phase0 Adjustment...................:1 [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]

    Motherboard Voltage Control
    Load Line Calibration........................[Disabled]
    Voltage Type.………... [Auto]

    CPU
    CPU Vcore….……….........................:1.18750V [Auto]
    CPU Termination…..... ......................:1.200V [Auto]
    CPU PLL………………….....................:1.500V
    CPU Reference.…………........................:0.760V [Auto]

    MCH/ICH
    MCH Core…………….....[Auto] (WAS 1.260V and went further in the Windows install when it wasn't 'auto' but still shut off without warning)
    MCH Reference….…….0.760V [Auto]
    MCH/DRAM Ref.…......0.900V [Auto]
    ICH I/O……………….....1.570V (you suggested 1.580 but only had the options 1.570 or 1.590)
    ICH Core…………...……1.200V (you suggested 1.160V, only had the options of 1.100V or 1.200V)

    DRAM
    DRAM Voltage ……....2.000V
    DRAM Termination .…0.900V
    Channel A Reference 0.900V
    Channel B Reference 0.900V

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Disabled]
    CPU Enhanced Halt (C1E)................: [Enabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Enabled]
    Virtualization Technology................: [Disabled]
    Dual bios Recovery Source.............:HPA

    Integrated Peripherals
    SATA RAID...................................:[RAID]
    SATA Port 0-3 Native Mode.............:[Enabled]
    USB Controller...............................:[Enabled]
    USB 2.0 Controller.......................:[Enabled]
    USB Keybord Support..................:[Enabled]
    USB Mouse Support.......................:[Enabled] (we have a USB mouse)
    Legacy USB Storage Detect ..............:[Enabled]
    Onboard SATA/IDE........................:[Enabled] Nothing's plugged into the purple SATA ports
    Onboard SATA/IDE Control Mode.....:[RAID/IDE] The system sees the IDE DVD just fine

  2. #22
    Join Date
    Nov 2008
    Posts
    17

    Default Re: Problems with GA-EP45-UD3P powering off unexpectedly

    I read on another forum from back on 11/04:

    "I hear in F4 and F5a the 2.40 memory multi does not work properly." (Bottom of page, one of last posts.)

    I've got the original F4 firmware and my memory multi is set to 2.40B. I'm getting very discouraged. It's been years since I put a PC together (with 15 years working in IT) and this is all Greek to me. I don't want to overclock my system...I just want it to run stable and quit shutting off!

    On Monday I'm shipping the whole thing back to Newegg if I can't get Windows installed.

  3. #23
    Join Date
    Apr 2008
    Posts
    942

    Default Re: Problems with GA-EP45-UD3P powering off unexpectedly

    Could you just try setting the memory multiplier to 2.00x ? That will underclock the Ram to 667Mhz, providing the Cpu host frequency is at default (which looking at your printout it is).

    It gives you another reference point in fault finding.
    Last edited by VorLonUK; 11-30-2008 at 02:05 AM.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  4. #24
    Join Date
    Nov 2008
    Posts
    17

    Angry Re: Problems with GA-EP45-UD3P powering off unexpectedly

    I put both RAM sticks in, set the multiplier to 2.00 as suggested and I also lowered the DRAM voltage from 2.0 to 1.84 and managed to finally get Windows installed. It still dies after logging in. During the first test after installing the OS, the PC shut off after I brought up Task Manager. Then I rebooted and lowered the Vcore. I got back into Windows and managed to install Easy Tune, rebooted and ran ET6 to get some preliminary numbers before the PC shut off on me yet again.

    The CPU shows oscillating speeds in ET6: 1.9 Ghz and then 3.33 Ghz and back and forth. What's up with that?

    I can list my new settings here tomorrow. I've been lowering the MCH Voltage, Vcore voltage, DRAM voltage, and MCH clock skew in an attempt to finally find where the system is 'happy' with mixed results. The PC always shuts down, however, no matter what I have it set to.

    I'm finally home for the weekend and with any luck, can spend some decent time trying to get this system working before throwing in the towel.

    Any ideas why ET6 would show a wildly oscillating CPU speed while sitting idle?

  5. #25
    Join Date
    Nov 2008
    Posts
    11

    Default Re: Problems with GA-EP45-UD3P powering off unexpectedly

    its probably jumping around because you left C1 stepping and EIST on in the BIOS

  6. #26
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    Location
    PCB Island
    Posts
    25,940

    Default Re: Problems with GA-EP45-UD3P powering off unexpectedly

    You likely need more Ram voltage.

    You need to disable C1E and EIST to turn off speedstep that is why your CPU speed is changing

    Lowering volts is not going to help really until you find a stable high point. So yes, please do list your full settings again

    You say you moved your RAID to the intel controller, did you delete and recreate your RAID array in the Intel RAID BIOS?

  7. #27
    Join Date
    Nov 2008
    Posts
    17

    Default Re: Problems with GA-EP45-UD3P powering off unexpectedly

    SOLVED!

    I finally had enough time to sit down with this PC and figure out what settings would make it stop powering off.

    First, I reset the BIOS just to start back at square one.

    Then the system went into the reboot loop. So, I pulled out one memory stick and booted successfully into the BIOS. I changed the PCI Express Frequency to 100, set the CPU PLL to 1.500v, the performance enhance to standard, set the RAID back up and set the memory timings manually to 6-6-6-18 with all other settings set to auto and rebooted.

    That still caused the system to shut down while booting Windows.

    So, as a last resort, I disabled C1E and EIST.

    THAT worked. The PC has now been up for over 4 hours and hasn't shut off once. I've gotten Windows and all my apps installed and finally have a stable system set to stock settings!

    I can only guess that the mobo was thinking the CPU was idle even though it wasn't and was either undervolting or overvolting to the point where the system became completely unstable. No matter what setting I changed in the BIOS, I couldn't get the PC to stay on. I don't know if it's a BIOS code problem or what but clearly C1E and EIST was causing the instability in my system. Since it's turned off when overclocking anyway, I decided those settings just weren't necessary even though I was simply running the system at stock.

    Thanks Lsdmeasap and others! At the very least, your help has assisted me in understanding what all these new settings were for and I'll definitely be coming back to this forum if I ever get a wild hair and decide to try overclocking!

  8. #28
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
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    PCB Island
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    Default Re: Problems with GA-EP45-UD3P powering off unexpectedly

    Glad to see you are up and running!

    Ya, there is likely/maybe issues with C1E and EIST but eveyone I know disables them before even setting disk settings so we likely just never hear about them as not many people use speedstep

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