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Thread: GA-X48T-DQ6 stability with 2x2GB




  1. #1
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    Default GA-X48T-DQ6 stability with 2x2GB

    Hi,

    I am building a system and having the cold boot problem as others have described. I initially had purchased the OCZ 3RPR18004GK kit but could not even post after following the directions in some of the other forum threads to change the memory settings. Swapping to the Mushkin 996652 2x2GB @ 7-7-7-20 timings works (mostly but still has the boot cycling problem about every other time I try to boot), but only works if one stick is plugged in, not two. Two sticks leads to the boot cycling problem. I did try the OCZ in a buddy's computer and both sticks were DOA and were returned. His computer would post (different motherboard) but failed Memtest. Of interest is that the settings will not be remembered by the BIOS if the cycling occurs and have to be re-inputted. When the computer does boot, it's perfectly fine.

    I have searched the forums for someone with a similar system but did not have any luck. I've built systems in the past, so I am dangerous enough to get by but I would like advice on how to stabilize my system with both sticks in. I don't overclock and the system is used mostly for gaming (usually WoW) and the usual word processing/net surfing.

    Any help is greatly appreciated. My settings as of now are shown below (with only one of the 2x2GB sticks in):


    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    Fine Clock Ratio ____________[0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [333]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [4.00B] = 1333 MHz memory freq
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 7
    Dram RAS# to CAS# Delay_________ 7
    Dram RAS# Precharge Delay_______ 7
    Precharge Delay (tRAS)__________ 20

    ACT to ACT Delay (tRRD)_________ Auto (4)
    Rank Write to READ Delay________ Auto (5)
    Write to Precharge Delay________ Auto (10)
    Refresh to ACT Delay____________ Auto (74)
    Read to Precharge Delay_________ Auto (5)
    Static tRead Value______________ Auto (7)
    Static tRead Phase Adjust_______ Auto (0)
    Command Rate (CMD)______________ 2T

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [Normal]
    PCI-E OverVoltage Control_ [+0.1V]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V]
    CPU Voltage Control_______ [1.25]
    Loadline Calibration _____ Auto

    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]</pre>

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Are you using the latest BIOS? Did you load and apply optimized defaults after you flashed to it? Just checking.

    Try this for both sticks >>>

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    Fine Clock Ratio ____________[0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [333]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [4.00B] = 1333 MHz memory freq
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 7
    Dram RAS# to CAS# Delay_________ 7
    Dram RAS# Precharge Delay_______ 7
    Precharge Delay (tRAS)__________ 20

    If you want to set these here is optimal ranges (TRFC/Refresh to Act Delay should likely be set manually at least, if you dont want to set the rest)

    ACT to ACT Delay (tRRD)_________ 4-6
    Rank Write to READ Delay________ 5-9
    Write to Precharge Delay________ 6-12
    Refresh to ACT Delay____________ 72-80
    Read to Precharge Delay_________ 5-8
    Static tRead Value______________ 6/7-10
    Static tRead Phase Adjust_______ Auto (0) << Always Auto
    Command Rate (CMD)______________ 2T

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    The below two voltages are likely your main issues, Ram Voltage for sure. MCH may need more as well but the ram voltage at normal may be only 1.5 (Default)

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [Normal] << 1.7 - 1.8 (+0.2 - +0.3)
    PCI-E OverVoltage Control_ [+0.1V]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V] << +.15 - .3 (Normally .2-.25 is needed for 2x2GB, at that speed you may need up to .35)

    CPU Voltage Control_______ [1.25]
    Loadline Calibration _____ Auto << Disabled

    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]

  3. #3
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    The BIOS is F5. I loaded the optimized BIOS defaults were loaded when I started. I made the changes you suggested above and I still have the boot cycle with two sticks in. Removing one and rebooting leads to reset BIOS settings. I can swap either stick in or out and it will POST normally. It just doesn't like 2x2.

  4. #4
    Lsdmeasap's Avatar
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Can you run memtest86+ on each stick seperately >>>
    Memtest86+ - Advanced Memory Diagnostic Tool

    Maybe one is faulty. DO the test at stock set speed, main timings set, ram voltage set and everything else on Auto. Run 10 passes on each stick

    You may also try this before you do those tests, to see if maybe I did not give you a high enough timing or skew is needed >>>>

    ystem Memory Multiplier (SPD)____ [4.00B] = 1333 MHz memory freq
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 7
    Dram RAS# to CAS# Delay_________ 7
    Dram RAS# Precharge Delay_______ 7
    Precharge Delay (tRAS)__________ 20


    ACT to ACT Delay (tRRD)_________Auto
    Rank Write to READ Delay________ Auto
    Write to Precharge Delay________Auto
    Refresh to ACT Delay____________ 85
    Read to Precharge Delay_________ Auto
    Static tRead Value______________ Auto
    Static tRead Phase Adjust_______ Auto (0) << Always Auto
    Command Rate (CMD)______________ 2T

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal] 50-250


    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [Normal] << 1.8 (+0.3)
    PCI-E OverVoltage Control_ [+0.1V]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V] << +.3

  5. #5
    MDDI is offline Junior Member
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Quote Originally Posted by Lsdmeasap View Post
    Can you run memtest86+ on each stick seperately >>>
    Memtest86+ - Advanced Memory Diagnostic Tool

    Maybe one is faulty. DO the test at stock set speed, main timings set, ram voltage set and everything else on Auto. Run 10 passes on each stick

    You may also try this before you do those tests, to see if maybe I did not give you a high enough timing or skew is needed >>>>

    ystem Memory Multiplier (SPD)____ [4.00B] = 1333 MHz memory freq
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 7
    Dram RAS# to CAS# Delay_________ 7
    Dram RAS# Precharge Delay_______ 7
    Precharge Delay (tRAS)__________ 20


    ACT to ACT Delay (tRRD)_________Auto
    Rank Write to READ Delay________ Auto
    Write to Precharge Delay________Auto
    Refresh to ACT Delay____________ 85
    Read to Precharge Delay_________ Auto
    Static tRead Value______________ Auto
    Static tRead Phase Adjust_______ Auto (0) << Always Auto
    Command Rate (CMD)______________ 2T

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal] 50-250


    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [Normal] << 1.8 (+0.3)
    PCI-E OverVoltage Control_ [+0.1V]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V] << +.3
    I have the X48T-DQ6 and 996652 Mushkin RAM, BIOS F5. I also had issues with the same OCZ RAM and restart loop. The Mushkin's have been perfect, POSTING at default 1.5v and allowing me to enter Setup.

    1.7v (+0.2v) is the minimum voltage Mushkin suggests for that RAM. I set my Mushkin DDR3 overvolt to +0.2v and have not had to increase it. I did however increase the (G) MCH to +0.2v.

    I have tightened the timings and have had absolutely no issue's with the Mushkin RAM and the X48T-DQ6 board.

    After testing the RAM with Memtest as LSD suggests, I will share my timings with you if you wish.

  6. #6
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Just like to add, that i picked the OCZ DDR3 OCZ3RPR13334GK for my board (see sig) because they had a lower (than the highest spec) nominal voltage rating.
    OCZ Technology | Products | Memory | OCZ PC3-10666 Reaper HPC

    I've found too, some odd results with memtest when sometimes using a more relaxed strap, especially on Test 4 of Memtest where the bit pattern is random. Because it is random it can show a problem (or bug) intermittently.

    I assume from the timings you are using DDR3 - it's hard to know with mushkin as they don't use meaningful part numbers?
    I believe you are running at a 4.00x memory multiplier (4.00B), have you any other suffix versions available, ie 4.00A/C/D?
    If you have, have you tried those too?

    Although my board might be older, I have found that many of the Auto settings with the most recent bioses is spot on. So an upto date bios is a must imo when you are having memory problems.
    Last edited by VorLonUK; 11-11-2008 at 09:55 PM.
    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.

  7. #7
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Thanks for the advice everyone. Here is what I did after getting home from work today:

    1 - Attempted to boot with stick 1 and had boot cycle problem. Let it cycle on-off 10 times before turning off PSU supply. Swapped stick 1 from memory slot 1 to slots 2, 3, and 4 and each time I had the boot cycle problem.

    2 - Removed stick 1 and installed stick 2 into memory slot 1. System posted and changed BIOS settings to "load optimized defaults". Saved and booted into BIOS again. Made changes to MIT shown below anything not listed was set as AUTO:

    Robust Graphic Booster = AUTO
    CPU host clock control = disabled (settings were shown as 3.16 GHZ (333x9.5) @ 333 MHz)
    PCI express = 100 MHz
    Performance Enhance = Standard
    System Memory Multiplier = Auto (memory frequence was 1333)
    SPD = 7-7-7-20 (mobo reads it at 9-9-9-24)
    System voltage contral = Manual
    DDR3 OverVoltage control = Normal (PC Health menu reads RAM setting as 1.728 V)
    PCI-E overvoltage control = 0.1 V
    FSB Overvoltage = 0.1 V
    (G)MCH = Normal
    Loadline calibration = disabled
    CPU Voltage control = 1.25 V

    Loaded Memtest from a USB floppy (Legacy USB was enabled to allow boot). Memtest froze on test 4 @ 2.03 minutes. Rebooted system via reset button and recycle problem returned.

    3 - Pulled stick 2 and reinserted into slot 1. System posted and BIOS settings were reset but before I could save and exit the system froze at the BIOS menu. Reset and system posted. Loaded optimized defaults and rebooted computer. After I got into the BIOS I reset everything as auto again as shown above and rebooted. This time the SPD was AUTO which was read by the mobo as 9-9-9-24. Loaded MEMTest. Stick 2 fails test #7 (random number test). Failed test 8 (modulo 20, random pattern). Froze at 45:03 @ test #8. Keyboard no longer responded and after 10 minutes rebooted.

    4 - Pulled stick 2 and exchanged for stick 1 in memory slot 1. Did not change settings from above. Stick 2 passed all 10 tests.

    5 - Changed BIOS settings but only the 7-7-7-20 timings. The settings from above were the same. System posted and passed.


    Being new to using Memtest, does the failure of stick 2 imply that it is a bad stick, the settings weren't optimal leading to failure, both, or none of the above?

    Secondly, thinking I could install Vista I went through the installation. After installation of the OS, I then chipset and audio drivers. Upon rebooting into the OS after it asked to restart, I blue screened with an ecache.sys error. Upon reboot I'm back into the reboot cycle with not POST.

    EDIT: This same thing happened when I could post and install with the OCZ ram. The blue screen errors were different - memory_management and a couple of others I did not write down.
    Last edited by Vikea; 11-12-2008 at 09:06 AM.

  8. #8
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Resetting the CMOS still wouldn't allow me to post after my experimenting in the above post. I then pulled the stick from slot 1 and reseated it in slot 2. Set the BIOS settings to all AUTO as I stated above except tweaked it to MDDI's settings. Vista now loaded and promptly had a memory_management BSOD.

  9. #9
    Lsdmeasap's Avatar
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Yeap, sounds like you need to RMA the set. Stick "2" sounds faulty to me for sure

  10. #10
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    Default Re: GA-X48T-DQ6 stability with 2x2GB

    Are you using Memtest v2.01? The freezing aspect and the keyboard lock out sounds like the buggy sister project of Memtest v3.4a.
    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.

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