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  1. #1
    ROG Enthusiast Array tamasd PC Specs
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    Question What is the 9-pin header above the top PCIe x16 slot?

    Hi,

    Yesterday when I was cleaning my computer, I noticed a 9-pin header above the PCIe x16 slot. I checked my paper manual, and the downloadable online one, but neither of them mentioned it. Searching the web yielded no results either.

    Does anyone know what it is?

  2. #2
    New ROGer Array Neoony PC Specs
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    This?
    Click image for larger version. 

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    Good question.

  3. #3
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    It's for factory BIOS flashing.

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    ROG Enthusiast Array tamasd PC Specs
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    Quote Originally Posted by elmor View Post
    It's for factory BIOS flashing.
    Thanks for the info

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    Now, someone figure out how it works. Probably better than using a test clip.

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    Quote Originally Posted by lightknightrr View Post
    Now, someone figure out how it works. Probably better than using a test clip.
    So that means you're volunteering?
    "All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others." - Douglas Adams

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  7. #7
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    Quote Originally Posted by lightknightrr View Post
    Now, someone figure out how it works. Probably better than using a test clip.
    Pin#1 - NC
    Pin#2 - WP#
    Pin#3 - VCC
    Pin#4 - GND
    Pin#5 - CS#
    Pin#6 - CLK
    Pin#7 - MISO
    Pin#8 - MOSI
    Pin#9 - HOLD#

    Pin pitch 2.00mm. Note that VCC is 1.8V on AM4. Make sure standby power is off before applying external VCC. I strongly recommend using USB BIOS Flashback over external tools if available.

  8. #8
    ROG Guru: Black Belt Array Korth PC Specs
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    Quote Originally Posted by elmor View Post
    Pin#1 - NC
    Pin#2 - WP#
    Pin#3 - VCC
    Pin#4 - GND
    Pin#5 - CS#
    Pin#6 - CLK
    Pin#7 - MISO
    Pin#8 - MOSI
    Pin#9 - HOLD#

    Pin pitch 2.00mm. Note that VCC is 1.8V on AM4. Make sure standby power is off before applying external VCC. I strongly recommend using USB BIOS Flashback over external tools if available.
    Cool info, thanx!

    Looks like you could plug a part programmer (something like CH341 or EM100-Pro) directly into motherboard.

    Although I agree with preferring software flash, USB Flashback, or swapping in a programmed BIOS chip, in that order. Still, always nice to have another interface and another recovery option when looking at bricked firmware, lol.
    "All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others." - Douglas Adams

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  9. #9
    ROG Guru: Yellow Belt Array unknownmiscreant PC Specs
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    Quote Originally Posted by elmor View Post
    Pin#1 - NC
    Pin#2 - WP#
    Pin#3 - VCC
    Pin#4 - GND
    Pin#5 - CS#
    Pin#6 - CLK
    Pin#7 - MISO
    Pin#8 - MOSI
    Pin#9 - HOLD#

    Pin pitch 2.00mm. Note that VCC is 1.8V on AM4. Make sure standby power is off before applying external VCC. I strongly recommend using USB BIOS Flashback over external tools if available.
    Thanks. Will file that away somewhere for when something breaks. Still gonna be a last resort though.

  10. #10
    ROG Guru: Yellow Belt Array R5Eandme PC Specs
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    Quote Originally Posted by elmor View Post
    Pin#1 - NC
    Pin#2 - WP#
    Pin#3 - VCC
    Pin#4 - GND
    Pin#5 - CS#
    Pin#6 - CLK
    Pin#7 - MISO
    Pin#8 - MOSI
    Pin#9 - HOLD#

    Pin pitch 2.00mm. Note that VCC is 1.8V on AM4. Make sure standby power is off before applying external VCC. I strongly recommend using USB BIOS Flashback over external tools if available.
    Hello Elmor,
    What is the chip part number and how does your pin#1-9 map to the image of the motherboard header Click image for larger version. 

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    Thank you!
    Last edited by R5Eandme; 10-26-2017 at 07:12 PM.

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