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Thread: GA-MA790X-UD4 boot/stability problems




  1. #1
    Join Date
    Apr 2009
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    Default GA-MA790X-UD4 boot/stability problems

    hi, im having some problems with my new pc.
    sometimes when rebooting it wont POST, only the fans spin and the HDD/DVD lights blink, there is no sound signal or anything. i then have to unplug the system and hold the power button for 1min or so and after that it boots normally.
    i had some problems when i flashed the bios, it didnt post and i had to remove the GPU, boot and hit enter (no idea what happend there but the floppy reacted on that) and after that the system booted with the GPU inserted. i loaded the optimised settings in bios which im using at the moment.
    should i revert to the old bios?

    there are also some stability problems, yesterday i run IntelBurnTest and it stopped after the second test (about 60-70 seconds) with a message that the system is unstable:(
    i can run memtest and prime95 like forever without an error, so could it be a problem with the tool?
    the cpu is water cooled so the temperature should not be the problems, here a pic of the temperatures and the failed test:


    so if someone could help me find the problem would be great

    CPU: AMD Phenom II X6 1055T @3.5ghz - H2O
    Mobo: Gigabyte GA-MA790FXT-UD5P (BIOS: F8k)
    RAM: OCZ3P1600LVAM4GK (1000mhz@1.7v)
    GPU: Gigabyte 9800GTX (800-1200-1800)
    PSU: Corsair CMPSU-650TXEU (650W)

  2. #2
    Join Date
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    Default Re: GA-MA790X-UD4 boot/stability problems

    so i read a lot about boot problems and found some tips for the bios settings which should make the system more stable. i spent some time changing and testing one setting after an other and finally found a "stable" setup.
    i had no problems since i set this up, even IntelBurnTest was sucessfull but im gona keep it some days, test some more and see if everything keeps working fine.

    but there is something strange going on with the ram and the voltage. i tried to get my ram to run at 5-5-5-15 / 1066 / 2.2V but as soon as i change the VDIMM to 2.2V i get the boot problem again:/

    on the kingston datasheet it says: "Each module pair has been tested to
    run at DDR2- 1066MHz at a latency timing of 5-5-5-15 at 2.2V. The SPD is programmed to JEDEC standard latency 800Mhz timing of 5-5-5-18 at 1.8V."
    so it should be able to run at those timings/volts.

    so for now i changed the Ram multiplier and let the VDIMM and Timings on auto and everything works just fine(for now^^)

    so what could be the problem there?

    maybe someone could explain some settings i have in the bios, and maybe the best settings for those^^
    1. HT Link Width
    2. DQS Training Control
    3. CKE Power Down Mode
    4. CKE Power Down Control
    5. Memclock tri-stating
    6. Bank Swizzle Mode

    here are the detailed BIOS settings and a screenshot of the Voltages and SPD timings:
    Code:
    MB Intelligent Tweaker(M.I.T.)
    CPU Clock Ratio .............. [x14]
    CPU NorthBridge Freq. ........ [Auto]
    CPU Host Clock Control ....... [Manual]
    CPU Frequency(Mhz) ........... [200]
    PCIE Clock(Mhz) .............. [100]
    HT Link Width ................ [16 bit] (disabled/8bit/16bit?)
    HT Link Frequency ............ [Auto]
    Set Memory Clock ............. [Manual]
    Memory Clock ................. [x5.33] 1066
    
    DRAM Configuration
    DCTs Mode .................... [Unganged]
    DDRII Timing Items ........... [Auto] ......... SPD ......... Auto
    CAS# latency ................. [Auto] ......... 5T .......... 5T
    RAS to CAS R/W Delay ......... [Auto] ......... 5T .......... 7T 
    Row Precharge Time ........... [Auto] ......... 5T .......... 7T
    Minimum RAS Active Time ...... [Auto] ......... 18T ......... 24T
    1T/2T Command Timing ......... [Auto] ......... __ .......... __
    TwTr Command Delay ........... [Auto] ......... 3T .......... 4T
    Trfc0 for DIMM1 .............. [Auto] ......... 127ns ....... 127ns
    Trfc2 for DIMM2 .............. [Auto] ......... 127ns ....... 127ns
    Trfc1 for DIMM3 .............. [Auto] ......... __ .......... __
    Trfc3 for DIMM4 .............. [Auto] ......... __ .......... __
    Write Recovery Time .......... [Auto] ......... 6T .......... 8T
    Precharge Time ............... [Auto] ......... 3T .......... 3T
    Row Cycle Time ............... [Auto] ......... 24T ......... 31T
    RAS to RAS Delay ............. [Auto] ......... 3T .......... 4T
    DQS Training Control ......... [Skip DQS]
    CKE Power Down Mode .......... [Disabled]
    CKE Power Down Control ....... [per Channel]
    Memclock tri-stating ......... [Disabled]
    Bank Swizzle Mode ............ [Enabled]
    
    System Voltage Control ....... [Auto]
    Normal CPU Vcore ............. (1.3250V) ...... (1.328V displayed in bios)
    DDR2 Voltage Control ......... (Normal) ....... (1.972V displayed in bios)
    NorthBridge Volt Control ..... (Normal)
    CPU NB VID Control ........... (Normal)
    CPU Voltage Control .......... (Normal)
    
    Advanced BIOS Features
    Virtualization ............... [Disabled]
    AMD K8 Cool&Quiet control .... [Disabled]
    Init Display First ........... [PEG] (PCI Slot/PEG/PEG1)
    Last edited by kromar; 05-19-2009 at 11:22 AM.

    CPU: AMD Phenom II X6 1055T @3.5ghz - H2O
    Mobo: Gigabyte GA-MA790FXT-UD5P (BIOS: F8k)
    RAM: OCZ3P1600LVAM4GK (1000mhz@1.7v)
    GPU: Gigabyte 9800GTX (800-1200-1800)
    PSU: Corsair CMPSU-650TXEU (650W)

  3. #3
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    Default Re: GA-MA790X-UD4 boot/stability problems

    so it turned out to be very stable and i decided to manually enter the ram timings which didnt change the stability so i went further and tuned them down one after an other to reach the desired settings. im now at 5-5-5-15 @1066 and i havent touched the VDIMM yet but it passed several hours prime95 and IntelBurnTest

    i once increased the VDIMM by 0.1V but it still gave me the 1.97V so is the bios increasing the value by itself to ensure a stable use or is that the min voltage on this board? the auto setting should set it to 1.8V but even there it reads 1.97V, so whats wrong there?

    im gona try to adjust the following values to get the most out of this ram
    Trfc0 for DIMM1 .............. [127ns] >>75ns?
    Write Recovery Time .......... [8T] >>6T
    Row Cycle Time ............... [31T] >>20T+?
    RAS to RAS Delay ............. [4T] >>3T

    Code:
    MB Intelligent Tweaker(M.I.T.)
    CPU Clock Ratio .............. [x14]
    CPU NorthBridge Freq. ........ [Auto]
    CPU Host Clock Control ....... [Manual]
    CPU Frequency(Mhz) ........... [200Mhz]
    PCIE Clock(Mhz) .............. [100Mhz]
    HT Link Width ................ [16 bit]
    HT Link Frequency ............ [Auto] 
    Set Memory Clock ............. [Manual]
    Memory Clock ................. [x5.33] 1066Mhz
    
    DRAM Configuration
    DCTs Mode .................... [Unganged]
    DDRII Timing Items ........... [Manual] ......... SPD ......... Auto
    CAS# latency ................. [5T] ............. 5T .......... 5T      
    RAS to CAS R/W Delay ......... [5T] ............. 5T .......... 7T     
    (tRP)Row Precharge Time ...... [5T] ............. 5T .......... 7T     
    Minimum RAS Active Time ...... [15T] ............ 18T ......... 24T    
    
    1T/2T Command Timing ......... [2T] ............. -- .......... --      
    TwTr Command Delay ........... [4T] ............. 3T .......... 4T      
    
    Trfc0 for DIMM1 .............. [127ns] .......... 127ns ....... 127ns   
    Trfc2 for DIMM2 .............. [127ns] .......... 127ns ....... 127ns
    Trfc1 for DIMM3 .............. [--] ............. -- .......... --
    Trfc3 for DIMM4 .............. [--] ............. -- .......... --
    
    Write Recovery Time .......... [8T] ............. 6T .......... 8T      
    Precharge Time ............... [3T] ............. 3T .......... 3T      
    Row Cycle Time ............... [31T] ............ 24T ......... 31T     
    RAS to RAS Delay ............. [4T] ............. 3T .......... 4T      
    
    DQS Training Control ......... [Skip DQS]
    CKE Power Down Mode .......... [Disabled]
    CKE Power Down Control ....... [per Channel]
    Memclock tri-stating ......... [Disabled]
    Bank Swizzle Mode ............ [Enabled]
    
    System Voltage Control ....... [Manual]
    Normal CPU Vcore ............. (1.3250V)                (1.328V displayed in bios)
    DDR2 Voltage Control ......... (Normal)  1.900V         (1.97xV displayed in bios)
    NorthBridge Volt Control ..... (Normal)
    CPU NB VID Control ........... (Normal)
    CPU Voltage Control .......... (Normal)
    
    Advanced BIOS Features
    Virtualization ............... [Disabled]
    AMD K8 Cool&Quiet control .... [Disabled]
    Init Display First ........... [PEG] (PCI Slot/PEG/PEG1)
    Last edited by kromar; 05-21-2009 at 12:28 AM.

    CPU: AMD Phenom II X6 1055T @3.5ghz - H2O
    Mobo: Gigabyte GA-MA790FXT-UD5P (BIOS: F8k)
    RAM: OCZ3P1600LVAM4GK (1000mhz@1.7v)
    GPU: Gigabyte 9800GTX (800-1200-1800)
    PSU: Corsair CMPSU-650TXEU (650W)

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-MA790X-UD4 boot/stability problems

    Well depending on your board and BIOS what voltage you set may vary from what you get. And no, auto should not be 1.8 if you are overclocking it will self adjust. If you want 2.1 you will have to try setting it higher to see if you still only get 1.97. If you do then you may need to update to the latest BIOS if you are not using it already

    Sorry for the late reply here, I cannot offer much AMD Advice, but I can help a little for sure. Please let me know if you do need further help.

    And if you do update your BIOS again please read this guide >>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

  5. #5
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    Default Re: GA-MA790X-UD4 boot/stability problems

    thanks for the reply, i alredy gone through the @BIOS horror when i first flashed the board and will never use that again^^
    i read everything about flashing and other vital things about the ram. thanks to your awesome explanation of the values:D

    im gona try to increase the VDIMM and see if that "increases" the voltage or if it will remain at 1.97V.
    as for the bios, there are only 3 versions or so and i flashed the one that supports unlocking of the 4th core (F2A which was released on the same day as F3F).
    are there release notes of these bioses or is everything on the gigabyte page? because it doesent look like a lot changed in F3F ... "1.Improve Audio compatibility"

    i once tried to run prime95 with the 4th core but windows crashed right at the start of it so im not sure if its the core thats faulty or the current settings which make it very unstable. i might try it again with lower ram settings if i found the limit of the ram

    CPU: AMD Phenom II X6 1055T @3.5ghz - H2O
    Mobo: Gigabyte GA-MA790FXT-UD5P (BIOS: F8k)
    RAM: OCZ3P1600LVAM4GK (1000mhz@1.7v)
    GPU: Gigabyte 9800GTX (800-1200-1800)
    PSU: Corsair CMPSU-650TXEU (650W)

  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-MA790X-UD4 boot/stability problems

    That ACC note means they LOCKED the ACC Settings, not unlocked them. So you may want to think that over again as well as not all will be stable anyway with the fourth core enabled

    I would find stability with 3 cores on the latest BIOS, then if you want to try the 4th core enabled you would need to use a older BIOS that you saved on your drive as I do believe they are supposed to update them all soon if not already with those ACC Settings as non functional

    No, they only make notes on major changes in the BIOS's, smaller changes/fixes are not noted anywhere

  7. #7
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    Default Re: GA-MA790X-UD4 boot/stability problems

    hmm so if they locked the ACC settings why is it possible with this bios to unlock the core?

    i tested the VDIMM increase and it goes up when i choose +0.2V or more.

    CPU: AMD Phenom II X6 1055T @3.5ghz - H2O
    Mobo: Gigabyte GA-MA790FXT-UD5P (BIOS: F8k)
    RAM: OCZ3P1600LVAM4GK (1000mhz@1.7v)
    GPU: Gigabyte 9800GTX (800-1200-1800)
    PSU: Corsair CMPSU-650TXEU (650W)

  8. #8
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-MA790X-UD4 boot/stability problems

    Maybe they have not implemented the changes yet is all, be sure you keep those BIOS's you want on your hard drive for when they do. I think AMD is making them, I read it here >>

    We contacted Gigabyte to explain what was meant by “Update ACC code…” According to the company, all vendors developing new BIOS’ with AMD’s latest microcode will be disabling the core/cache unlock, which at least explains why the recently-updated ASUS and Gigabyte boards weren’t cooperating
    Digging For Clues... - Review Tom's Hardware : Phenom II: Unlocking Cores, Cache, And A Free Lunch

  9. #9
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    Default Re: GA-MA790X-UD4 boot/stability problems

    thanks again, i have all those bios versions on my backup drive and also the original bios which was on the board. its definitely good to know that thei might disable the functionality in the future^^

    CPU: AMD Phenom II X6 1055T @3.5ghz - H2O
    Mobo: Gigabyte GA-MA790FXT-UD5P (BIOS: F8k)
    RAM: OCZ3P1600LVAM4GK (1000mhz@1.7v)
    GPU: Gigabyte 9800GTX (800-1200-1800)
    PSU: Corsair CMPSU-650TXEU (650W)

  10. #10
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    Default Re: GA-MA790X-UD4 boot/stability problems

    seems this ram is capable of some nice timings, i almost brought everything down to the minimum value available in the bios and its stable.
    there are only 2 things that cause problems, the first is the Trfc which i cant set below 105ns. if i set it to 75ns the ram settings reset on reboot:(
    the "Write Recovery Time" cant be set below 8T, this will hang the system when i start prime95, so i guess 8T are needed to make sure the data is writen.

    one thing i havent tried is the "Command Timing ", i have it at 2T because i read a lot that it needs to be at 2T for a system like mine.
    why exactly is that?

    here are the acctual settings in case someone is interessed or want to give me some advice on some settings
    Code:
    MB Intelligent Tweaker(M.I.T.)
    CPU Clock Ratio .............. [x14]  
    CPU NorthBridge Freq. ........ [Auto]       (x10?)
    CPU Host Clock Control ....... [Manual]
    CPU Frequency(Mhz) ........... [200Mhz]
    PCIE Clock(Mhz) .............. [100Mhz]
    HT Link Width ................ [16 bit]
    HT Link Frequency ............ [Auto]       (2GHz? )
    Set Memory Clock ............. [Manual]
    Memory Clock ................. [x5.33] 1066Mhz
    
    DRAM Configuration
    DCTs Mode .................... [Unganged]
    DDRII Timing Items ........... [Manual] 
    CAS# latency ................. [5T]         
    RAS to CAS R/W Delay ......... [5T]         
    (tRP)Row Precharge Time ...... [5T]         
    Minimum RAS Active Time ...... [15T]        
    
    1T/2T Command Timing ......... [2T]         
    TwTr Command Delay ........... [4T]         
    
    Trfc0 for DIMM1 .............. [105ns]       
    Trfc2 for DIMM2 .............. [105ns] 
    
    Write Recovery Time .......... [8T]         
    Precharge Time ............... [3T]         
    Row Cycle Time ............... [20T]        
    RAS to RAS Delay ............. [4T]         
    
    DQS Training Control ......... [Skip DQS]
    CKE Power Down Mode .......... [Disabled]
    CKE Power Down Control ....... [per Channel]
    Memclock tri-stating ......... [Disabled]
    Bank Swizzle Mode ............ [Enabled]
    
    System Voltage Control ....... [Manual]
    Normal CPU Vcore ............. (1.3250V)............ 1.328V
    DDR2 Voltage Control ......... (+0.200V)............ 2.06V      
    NorthBridge Volt Control ..... (Normal)
    CPU NB VID Control ........... (Normal)
    CPU Voltage Control .......... (Normal)
    
    Advanced BIOS Features
    Virtualization ............... [Disabled]
    AMD K8 Cool&Quiet control .... [Disabled]
    Init Display First ........... [PEG]
    i also have some questions when it comes to overclocking the CPU, i have some expierience with oc but only on a old p4 and there was no option with multipliers.
    so here i have a multiplier for for the CPU, one for the Northbridge and one for the ram and frequencies for CPU and HyperTransport.

    how is it when i increase the multiplier of the cpu? will this effect the ram and/or the HyperTransport and/or the Northbridge speed?

    how is it when i change the CPU FSB? i guess this will increase the memory bus as well but how about the HT and/ or NB?

    i know i should probably open a new thread in the overclocker section for this

    CPU: AMD Phenom II X6 1055T @3.5ghz - H2O
    Mobo: Gigabyte GA-MA790FXT-UD5P (BIOS: F8k)
    RAM: OCZ3P1600LVAM4GK (1000mhz@1.7v)
    GPU: Gigabyte 9800GTX (800-1200-1800)
    PSU: Corsair CMPSU-650TXEU (650W)

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