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  1. #1
    ROG Member Array kosamchetoo PC Specs
    kosamchetoo PC Specs
    MotherboardAsus ROG Strix X99 Gaming
    ProcessorIntel Core i7 6800K
    Memory (part number)CMK16GX4M4C3200C16
    Graphics Card #1R9 270X
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    Very Strange Q-Codes when booting

    Are these Codes normal? I mean some don't even look like numbers.
    Using a Asus ROG Strix X99 Gaming Motherboard. In the one where the last code is"AA" fast startup is disabled and the one where the last code is "40" - fast startup is enabled.
    https://www.youtube.com/watch?v=Ove-...ature=youtu.be
    https://www.youtube.com/watch?v=TRjI...ature=youtu.be

  2. #2
    ROG Enthusiast Array SimondsUnchaind PC Specs
    SimondsUnchaind PC Specs
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    Both are good and nothing to worry about.

    See: http://rog.asus.com/forum/showthread...code-confusion

  3. #3
    ROG Member Array kosamchetoo PC Specs
    kosamchetoo PC Specs
    MotherboardAsus ROG Strix X99 Gaming
    ProcessorIntel Core i7 6800K
    Memory (part number)CMK16GX4M4C3200C16
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    Thank you very much for your reply.

  4. #4
    ROG Member Array kosamchetoo PC Specs
    kosamchetoo PC Specs
    MotherboardAsus ROG Strix X99 Gaming
    ProcessorIntel Core i7 6800K
    Memory (part number)CMK16GX4M4C3200C16
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    During the boot, are the codes like "b0", "b1", "bd" normal because they are not just numbers, but letters too? I know what "AA" and "40" codes mean. I am confused about the codes during the boot.
    Last edited by kosamchetoo; 12-01-2016 at 11:01 PM.

  5. #5
    ROG Member Array sparcengine PC Specs
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    Quote Originally Posted by kosamchetoo View Post
    During the boot, are the codes like "b0", "b1", "bd" normal because they are not just numbers, but letters too? I know what "AA" and "40" codes mean. I am confused about the codes during the boot.
    Totally normal. The 'b' codes are for boot devices. The list of codes and their definitions are in the manual.

  6. #6
    ROG Guru: Black Belt Array Korth PC Specs
    Korth PC Specs
    MotherboardASUS X99 R5E (BIOS2101/1902)
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    @kosamchetoo - lol, the numeric codes are written in hexadecimal ("base 16"), not decimal ("base 10"). Hex is written with digits 0 through 9 (for decimal 0 through 9), then A through F (for decimal 10 through 15) - possible values on the 2-digit Q-Code hex display range from 00 hex (= 0 dec) through FF hex (= 255 dec), although they aren't all used in this application. Programmers and computer folk use hex as a shorthand for binary, and binary logic is used for all the firmware's machine-level code (or microcode) interfaces. Technically, one is supposed to append "-h" to hex values (like B0h) to prevent confusion.

    Most of the possible Q-Codes are described in the R5E User Manual. It is normal for them to fluctuate during runtime as they report operating status changes for many different things - the idea is that when the system halts/crashes/fails, the last displayed Q-Code will indicate what operation caused the critical fault or what operation was happening just before it, the Q-Codes run in motherboard-embedded firmware and are a powerful tool for identifying and isolating problems caused by hardware, they greatly simplify and speed up troubleshooting.
    Last edited by Korth; 12-04-2016 at 06:47 PM.

  7. #7
    ROG Guru: Black Belt Array Hopper64 PC Specs
    Hopper64 PC Specs
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    Aren't some of the codes he mentions for memory training? If so, that can be minimized by bios tweaks.

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