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Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW

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ump51
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2019/02/19 05:54:58 (permalink)
I initially had a heck of a time getting Windows loaded after I received my Z390 FTW until I flashed the Bios to 1.03. Then everything went fine and the system has been solid and stable until a few days ago when I started getting WHEA_UNCORRECTABLE_ERROR Bsods. 
 
I spent the last couple days trying to reload windows only to be frustrated by constant instability and BSOD's. Then, in one of my many investigatory trips to the bios I noticed the bios revision was 1.01.....HUH?????  
 
How in the heck did my bios revert back to its original Revision by itself? 
 
Any Ideas?
post edited by ump51 - 2019/02/19 06:10:51

BIKERDOG_1952
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    transdogmifier
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/19 06:00:29 (permalink)
    Dual BIOS? Maybe you had a problem booting or posting and it switched? (Just guessing, no clue otherwise)
     

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    ump51
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/19 06:04:15 (permalink)
    Good suggestion, but I didn't see any documentation regarding a dual bios in this board.
     
    Been building my own computers for fun since the late 80's and I've never experienced a bios rolling back to another revision. I've had Asus boards that had dual bios, but never used the feature. 
     
     

    BIKERDOG_1952
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    ump51
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/19 06:10:06 (permalink)
    Tonight I will hook everything back the way it was and see if the 1.03 flash stabilized things again. (Have the feeling it will)
    post edited by ump51 - 2019/02/19 06:16:16

    BIKERDOG_1952
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    Cool GTX
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/19 06:14:26 (permalink)
    Maybe you accidentally selected a file that could flash the BIOS ?
    (excerpt manual)


    EVGA Z390 FTW (123-CS-E397)-135 -C.To flash from power on state:A third method of flashing the BIOS can be done without going into the BIOS or from within Windows. The steps for flashing directly from power on are located below, in the “Flashing the BIOS Without a CPU” section. These steps will explain how to prepare the USB flash drive included with your Z390 FTWmotherboard to update with a newer BIOS using the method below.

    a.Plug in the USB flash drive included with your Z390 FTWmotherboard, and boot into Windows.
    b.Navigate to the USB flash drive so you can view the installed folders. In the root of the flash drive, you should notice a file named “EVGAE397” or “EVGAE397.bin”.
    ------------------------------------
     

    Corruption of your BIOS ?
    CMOS battery weak ?


    You do not mention seeing “BIOS checksum error” which should have been visible the first reboot after BIOS flashed
     
    When you power on the system after a BIOS update/reset, it may take a little longer than expected, and follow with a warning message on the screen reading “BIOS checksum error”.
     
     
    That MB has some abilities to flash the BIOS, even without a CPU - manual page 136 (nice feature)
     
    BIOS flashing directions start page 133. 
    https://www.evga.com/support/manuals/files/123-CS-E397.pdf
     
    Can the BIOS be "locked" set so you would have to change a setting to make it flashable ?
     
     
     
     

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    ump51
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/19 06:27:41 (permalink)
    Thanks for the response
     
    Yeah, I got the obligatory Bios Checksum Error after the initial flash and after re-flashing it last night. 
     
    The no cpu flash feature is a nice touch for sure, and I will look into whether there is a method to locking it down. 
     
    Thats said, my old man "need to understand" senses are pushing me to figure out "how" this occurred. Maybe it was just a freak occurrence of random cosmic radiation striking the Bio's just the wrong way. But I'd like to figure this mystery out.    

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    transdogmifier
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/19 06:34:58 (permalink)
    ump51
    Thanks for the response
     
    Yeah, I got the obligatory Bios Checksum Error after the initial flash and after re-flashing it last night. 
     
    The no cpu flash feature is a nice touch for sure, and I will look into whether there is a method to locking it down. 
     
    Thats said, my old man "need to understand" senses are pushing me to figure out "how" this occurred. Maybe it was just a freak occurrence of random cosmic radiation striking the Bio's just the wrong way. But I'd like to figure this mystery out.    




     
    I can understand that....I'm leaning to the dual bios theory I first proposed...that's my story and I'm stickin' to it ;)
     

    AMD Ryzen 7900x3d
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    snake_solid
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/19 16:26:43 (permalink)
    transdogmifier
    ump51
    Thanks for the response
     
    Yeah, I got the obligatory Bios Checksum Error after the initial flash and after re-flashing it last night. 
     
    The no cpu flash feature is a nice touch for sure, and I will look into whether there is a method to locking it down. 
     
    Thats said, my old man "need to understand" senses are pushing me to figure out "how" this occurred. Maybe it was just a freak occurrence of random cosmic radiation striking the Bio's just the wrong way. But I'd like to figure this mystery out.    




     
    I can understand that....I'm leaning to the dual bios theory I first proposed...that's my story and I'm stickin' to it ;)
     


    i think you're right Ump51 has encountered a recovery bios through the dual bios (no switch on this board i have the same) I don't know why maybe due to a peripherals initialization problem...

    EVGA Z390 FTW | 9600K 5.0GHZ 1,25v (auto) | 4x4GB BALLISTIX ELITE 3200 CL16 XMP 1,35v @ 4133 CL19 1,35v | EVGA GTX 1060 6GB SUPERCLOCKED | 
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    ump51
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/20 21:25:48 (permalink)
    I will update tomorrow....just got things back to normal after 4days and need to get to bed and get some sleep.

    BIKERDOG_1952
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    snake_solid
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    Re: Bios reverted from 1.3 back to 1.1 all on its own. Z390 FTW 2019/02/21 10:54:34 (permalink)
    yeah let us know 

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