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Thread: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!




  1. #11
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    @ Chike,

    Thanks for clarifying. I will make sure to keep the "CPU NB VID Control" at or below 1.35.

    Also, yes, all four modules passed Memtest86+ together. They were running at 1600Mhz, 8 8 8 24, with Dram Voltage Control= 1.700V and with a CPU NB VID Control= 1.2750V.

    Unfortunately, I had a BSOD this AM while sitting at desktop with these same settings.

    @ Lsdmeasap

    I won't post over there quite yet then, I will keep experimenting and post my results here, and probably another question or two as I work through this : )

    @ absic

    Thanks for the post and the link. Very interesting.
    My system is as follows:
    GIGABYTE GA-770TA-UD3. // OCZ 700W ModXStream Pro // AthlonII X3 440 3.0GHz. // POWERCOLOR Radeon HD5770. // Crucial Ballistix 8GB (4 x 2GB) DDR3 1600 // SAMSUNG Spinpoint-F3 500GB 7200RPM // Win7 64 Home premium.

    So according to that post, my memory controller probably won't play well with 1600Mhz Ram.

  2. #12
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    Being honest, probably not. With the AM3 CPU's you are much safer running at 1333MHz and the speed difference isn't really that great in the real world.
    The real problem here is that some people can run their RAM at 1600MHz without a noticeable problem (I can with my 1090T) but AMD have stated that the memory controller on the CPU can fail even though everything seems to be fine.

    As they say, you pays your money you takes your choice but I have heard of too many instances of CPU failure due to RAM being run above 1333MHz to do it myself.

  3. #13
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    Lsdmeasap or Chike,

    Are either of you able to confirm what "absic" has said about AM3 and its inherent incompatibility with anything above 1333Mhz Ram?

  4. #14
    Chike is offline Senior Member
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    Running 1333 with lower latency, 7-7-7-20/21 1.65v, you should have about the same memory performance, but may still equire few tweaks to get stable.

  5. #15
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    Quote Originally Posted by davisflow View Post
    Lsdmeasap or Chike,

    Are either of you able to confirm what "absic" has said about AM3 and its inherent incompatibility with anything above 1333Mhz Ram?
    Whilst you may not wish to believe what I have stated I should point out that this information was originally obtained from the Technical Support section of AMD UK and the thread I pointed you towards was written after a lot of research.

    If you check the specs for your own motherboard you will find the following:
    Memory Support:
    4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory (Note 1)
    Dual channel memory architecture
    Support for DDR3 1866(OC)(Note 2)/1333/1066 MHz memory modules
    GIGABYTE - Motherboard - Socket AM3 - GA-770TA-UD3 (rev. 1.0)

    and from the AMD Specifications for your CPU it states the following:
    Type of Memory Supported

    X2 - Support for unregistered DIMMs up to PC2-8500 (DDR2-1066MHz) -AND- PC3-8500 (DDR3-1066MHz)

    X3 and X4 - Support for unregistered DIMMs up to PC2-8500 (DDR2-1066MHz) -AND- PC3 10600 (DDR3-1333MHz)
    AMD Athlon

    The vast majority of AM3 Motherboards do not officially support RAM speeds above 1333MHz because of this known issue, especially if you are filling all four slots on the motherboard. As in all things and as I have previously stated, there are exceptions but if you contact AMD and ask them they will strongly advise you not to run your RAM above 1333Mhz.

  6. #16
    Chike is offline Senior Member
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    But this is true with intel products as well. Even the 2nd generation processors officially support only DDR3 -1333 but happily (and someyimes not so happily) run DDR-2133.
    The upcoming AMD buldozer will natively support DDR-1866. But memory frequency by itself does not mean mean much when you see the differences in memory performance between AMD's and Intel's latest processors with DDR-1333.

  7. #17
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    absic

    Thank you for your reply and the detailed linked information. I meant no offense by asking others to verify.

    Thanks to everyone for your time. Much appreciated. :)

    I am still having some trouble with BSODs and I am experimenting with different voltage settings atm. I hope to have a stable 1333Mhz speed shortly.
    I will post my final specs here once I land on them.

  8. #18
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    Wink Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    So I seem to have found a setup that keeps me stable:

    (4 x 2) 8gb: 1333Mhz at 9 9 9 24. 33 tRC. 2T.
    This is Dual channel and Unganged.

    Ram Voltage is 1.66V
    CPU NB VID: 1.275V(This is .100 over the auto setting.)

    So far I have survived Memtest86+, several hours of gaming, and about 5 hours at the desktop with various browser and word programs running, all without 1 BSOD.

    Thanks again for the help everyone.

    Here are my specs again for people searching forums for info:
    My system is as follows:
    GIGABYTE GA-770TA-UD3. // OCZ 700W ModXStream Pro // AthlonII X3 440 3.0GHz. // POWERCOLOR Radeon HD5770. // Crucial Ballistix 8GB (4 x 2GB) DDR3 1600 // SAMSUNG Spinpoint-F3 500GB 7200RPM // Win7 64 Home premium.

  9. #19
    Chike is offline Senior Member
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    Have you rtried tighter timing without success?
    7-7-7-21 or 8-8-8-24.

  10. #20
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    Default Re: GA-770TA-UD3 + (4x2)8gb DDR3 = BSOD!

    Have you rtried tighter timing without success?
    7-7-7-21 or 8-8-8-24.
    Voltage looks good.
    I know that memory timings are given as: CAS-tRCD-tRP, BUT
    When setting memory timings manually we may want to include TRC (TRC = Row Cycle Time on AMD) This may help with some of the confusion. Example 7-7-7-21-TRC28 or 8-8-8-24-32
    Some may try raising the CAS-tRCD-tRP and not the TRC and will not have success.
    tRAS, tRCD, tRP, tRC ? | techPowerUp
    Another thing that should be metioned is Trfc raising it on both Dimm may help with those 4GB modules.
    Code:
    DRAM Configuration
    DCTs Mode [Unganged]
    DDR3 Timing Items [manual] SPD Auto
    x CAS# latency manual 7T 8T
    x RAS to CAS R/W Delay manual 7T 8T
    x Row Precharge Time manual 7T 8T
    x Minimum RAS Active Time manual 21T 24T
    x 1T/2T Command Timing Auto -- --
    x TwTr Command Delay Auto 5T 5T
    x Trfc0 for DIMM1 manual 90ns 160ns try 110ns or 160ns
    x Trfc2 for DIMM2 Auto -- --
    x Trfc1 for DIMM3 Manual 90ns 160ns 
    x Trfc3 for DIMM4 Auto -- --
    x Write Recovery Time Auto 10T 10T
    x Precharge Time Auto 5T 5T
    x Row Cycle Time Manual 28T 32T
    x RAS to RAS Delay Auto 4T 4T
    Bank interleaving [Enabled]
    Channel interleave [Enabled]
    Last edited by artdrivers; 02-12-2011 at 10:43 AM.
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