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Thread: GA-MA790FX-DQ6: Changes to some BIOS settings not recognised in Windows.




  1. #1

    Default GA-MA790FX-DQ6: Changes to some BIOS settings not recognised in Windows.

    I am using an AMD Pheom 9850 Black edition and a 600W power supply.
    RAM: 4x 1GB PC2-6400 Corsair CMT2X1024-6400C4
    I am using BIOS F5 and Windows XP Professional SP2 32bit.
    I've just been trying some overclocking using Motherboard Intelligent Tweaker (M.I.T) in BIOS and have encountered some strange things. I have managed to increase the CPU multiplier and Vcore successfully.
    I have tried to change the intergrated memory controller(CPU-northbridge) settings. I changed the multiplier from auto to 11. That should give it a frequency of 2200Mhz. I saved to CMOS and it restarted no problem there.
    When I got into windows CPU-Z, AMD Powermonitor and CPU Brain identifier all registered it at the default frequency 2000Mhz instead of the expected 2200Mhz. When I changed the intergrated memory controller voltage in the BIOS it registered correctly in AMD powermonitor.
    I also wanted to increase the voltage of my RAM in order for it to run at its EPP timings of 4-4-4-12. When set to auto it gives 1.8V and registers as 1.856V in the PC Health screen. I increased the RAM voltage by 0.250V. Next to DDR2 Voltage control it changed to show 2.10. I hit F10 to save to CMOS and it restarted no problem. However when I go back into BIOS and look at the PC Health screen it is still showing 1.856v. Even though on the M.I.T screen voltage control is still showing and increase of 0.25v equalling 2.10v.
    When I boot to Windows Everest sensor shows a Vdimm of 1.86V. I don't understand this at all. I disabled Auto Xpress to see if that would make any difference and it didn't.
    If the changes I was making was causing the motherboard to fail to POST I could understand that maybe it doesn't like the changes. However it has never failed to POST and the settings are still there in BIOS as I have changed them. It's only the are not recognised in Windows. The operating system boots fine but when I use tools to check the settings I changed in BIOS they are still at the defaults.
    Can someone please offer some explanation?
    Thanks.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-MA790FX-DQ6: Changes to some BIOS settings not recognised in Windows.

    Hmm are you sure it is not double or triple booting before windows starts again?

    Sometimes XP leaves things as they were when installed, but not often

    And are you sure you can use a 11 CPU multi? You may need to set it to a lower one that your cpu allows and use a higher FSB

    I know nothing about AMD, but I know with that little of a overclock you should have been fine and all should have went as planned

  3. #3

    Default Re: GA-MA790FX-DQ6: Changes to some BIOS settings not recognised in Windows.

    Quote Originally Posted by Lsdmeasap View Post
    Hmm are you sure it is not double or triple booting before windows starts again?

    Sometimes XP leaves things as they were when installed, but not often

    And are you sure you can use a 11 CPU multi? You may need to set it to a lower one that your cpu allows and use a higher FSB

    I know nothing about AMD, but I know with that little of a overclock you should have been fine and all should have went as planned
    Double/triple booting???

    It's not the CPU multiplier. It's the intergrated memory controller/CPU Northbridge multiplier.
    My processor is a black edition and the multipliers are unlocked.

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-MA790FX-DQ6: Changes to some BIOS settings not recognised in Windows.

    Double booting, meaning when you save and apply does it reboot twice/three times before it loads windows?

    Ahh well unlocked multi would mean that is not it for sure. I dunno, I could suggest you some forums with AMD specific sections if you would like to try there, let me know

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