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Thread: How does Gigabyte dual BIOS work?




  1. #11
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    Default Re: How does Gigabyte dual BIOS work?

    Quote Originally Posted by nate42nd View Post
    I see....I wonder if they have made a change on the new boards. It says from the main menu you can press f11 to save current settings to a profile. I don't think this was on my last board (P45-UD3P) i might be wrong. I can't wait to try it out.

    Thanks for all the info. I really need it.
    i think you can save current bios to the hard drive too
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  2. #12
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    Default Re: How does Gigabyte dual BIOS work?

    Yes the F11 and F12 save bios profile works. You can save it to floppy or harddrive, or USB drive as well, and send it to others with the same setup to try. This is done through the QFLASH utility. You can also enter QFLASH without entering the bios by pressing the END key. Although it is recommended to Load Optimized defaults save and restart, but if you loaded optimized defauts you need to adjust the voltage for your memory save and restart again. (then you can press END on restart) before you use the QFLASH and update your Bios. I hope this makes sense. It's quite a run on words. Here save and use this----> http://forums.tweaktown.com/f69/bios...h-guide-27576/
    Last edited by artdrivers; 09-23-2009 at 01:54 AM.
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  3. #13
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    Default Re: How does Gigabyte dual BIOS work?

    I have not had a floppy in the last 2 computers I've built or the last 2 I purchased and I use an SSD. I was hoping it would save the profiles to the chip itself. The new P55 boards have a 2MB BIOS instead of 1MB. I wonder why the extra room there.....I am always formatting my HD and reinstalling Windows 7 or Ubuntu or something. If a floppy or HD are the options, I guess I could save them to a mechanical HD.....can you choose where you save it? I guess I can just try it.
    Last edited by nate42nd; 09-22-2009 at 06:02 PM.
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  4. #14
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    Default Re: How does Gigabyte dual BIOS work?

    I've saved and loaded bios profiles on 3 GB motherboards (P35-DS3L, N650SLI-DS4, and EP45-UD3P), as well as saving the bios setup to my hard drive. About the only thing I haven't done is to save my current settings and reload them from a usb drive. Q-Flash has no problem updating the bios from a FAT32 partition.

    On a couple of occasions while booting (after changing my bios settings), the screen briefly displayed a brief message that said something like "Searching for bios on your drive". Scary? You betcha!!! It looks like the bios failed to access the bios from the backup bios chip. The motherboard manual states that the saved bios on your drive must be in a FAT32 (maybe FAT16i is OK?) partition for the bios to be accessed. I always put my saved bios profiles in the root folder.

    Less than a month after I bought my N650SLI-DS4, I got the dreaded "searching for bios" message while booting. I had just performed a minor bios tweak with tighter memory timings. I didn't have a saved bios profile on my drive and I ended up with a bricked motherboard.

    Several weeks ago my N650 displayed the "searching for bios" message. Even though I had several versions of saved bios files on my hard drive, I had a floppy disk with my most recent saved settings (not fully inserted) in my floppy drive, so I quickly installed the floppy and saw that the bios was self-flashing from the floppy. Whew!!

    The P35-DS3L has "dual virtual bios", whatever that means.
    The N650 allows me to boot from the MAIN or BACKUP bios chips. With this option, I can save up to 16 different bios profiles and choose which of the bios chips will be the default bios boot chip.
    I was really disappointed when my EP45 wouldn't let me choose which bios chip to boot from.

    Just to be on the safe side, I always have at least 2 saved bios files on my hard drive:
    xxxxxxxx.Fn where xxxxxxxx is a copy of the original bios file name and Fn is the original bios version.
    XXXXMMDD.Fn where XXXX is the mobo model name, MM = month, DD = day, and Fn = bios version.

    note: Q-flash will let you save your bios without a file extension. This probably isn't a good feature!

    P55 bios chip: Post the # on the bios chip for your P55. On my EP45, this # is MX25L8005, and has 2 of these 1Mbit chips.
    Last edited by profJim; 09-22-2009 at 08:06 PM. Reason: P55 question
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  5. #15
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    Default Re: How does Gigabyte dual BIOS work?

    I was hoping it would save the profiles to the chip itself.
    F11 does save CMOS to BIOS up to 8 profiles. You can also copy them to HDD. floppy, or USB flash drive. It is an extra option. You can save as many as you want this way.
    Last edited by artdrivers; 09-22-2009 at 08:12 PM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
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  6. #16
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    Default Re: How does Gigabyte dual BIOS work?

    Everything covered here alread? If not let me know what else you need to know and I will explain

    Here is Gigabyte's explanation in case no one mentioned that yet, just the Dual BIOS aspect of things >>
    --GIGABYTE--DUAL BIOS WEB

    -- GIGABYTE --Geeks Column of the Week - BIOS Explained

  7. #17
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    Default Re: How does Gigabyte dual BIOS work?

    I may be missing it somewhere but my two boards with dual BIOS do not have this "dual BIOS utility"

    When I flash the BIOS with a new file, does Q-flash update the backup BIOS too?

    Does the backup BIOS stay the way it was shipped?

    If the board is forced to use the backup, what version will be used?

    These links are great but they do not seem to apply to my boards.
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  8. #18
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    Default Re: How does Gigabyte dual BIOS work?

    Some older GB dual bios setups would let you boot from the main or backup bios chips and would let you copy the contents of either or these chips to the other chip.
    It appears that the boot from and copy to features have been removed with newer motherboards.
    Lsdme said that there is a key sequence that will let you copy the contents of the main bios chip to the backup chip.
    I'm pretty sure that the contents of the backup bios chip will always contain the original bios that is installed on your mobo.
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  9. #19
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    Default Re: How does Gigabyte dual BIOS work?

    That's too bad. I wish it would give you the option to flash the backup chip. I hear there's a hot key but it would void the warranty.

    Thanks for the reply profJim (Wow the chief munchkin! cool)
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  10. #20
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    Default Re: How does Gigabyte dual BIOS work?

    I just pressed the F9 key in the main page of my BIOS (P55-UD4P) and my main BIOS is F4r like I flashed but the back-up is still F3. I this because F4r is a BETA? When the next final release come out will that flash make BOTH BIOS chips the updated version? It seems odd to have the backup chip with the old BIOS on it.

    I know I could use the ALT + F10 trick, but if that's not how Gigabyte want's it done, I will stick with their recommendations.

    So I wonder if the final release BIOS will flash BOTH chips? Anyone know?
    P55-UD4P - i7860 - Patriot Inferno 120GB SSD - 1600Mhz Mushkin 7-8-7-20 - 3 WD 640GB Black
    880GMA-UD2P - X6 1055T CPU - Patriot Inferno 120GB SSD - GSkill 1333 8-8-8-21 - 2 500GB WD Black
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