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Thread: Why does the BIOS have Master/Slave for SATA drives?




  1. #1
    Join Date
    Jan 2013
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    USA
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    Default Why does the BIOS have Master/Slave for SATA drives?

    This is on a GA-X58A-UD5Rev 2 board with X58A-UD5 FE Bios with AHCI enabled.

    The drive has room for 10 SATA drives, as seen in the motherboard layout (From the manual pg 7).

    SATA2_0 .. SATA2_5 are on Intel Southbridge, GSATA3_6, GSATA3_7 are on Marvell 9128, and GSATA2_8, GSATA2_9 are on Gigabyte SATA controllers.
    Each SATA port can handle one SATA HDD.

    Why does the BIOS settings for the drives have separate settings for Master and Slave for each channel? See attached file.

    Why do Channels 2, 3 and 7 have Master only?

    Why is Channel 8 missing altogether?

    Am I correct that these "Channel 0 ..9" on that BIOS page refer to the 10 SATA drives I listeda bove?

    Thanks.

    Aloke
    Attached Images Attached Images Why does the BIOS have Master/Slave for SATA drives?-motherboard-jpg 

  2. #2
    Join Date
    Jan 2013
    Location
    USA
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    18

    Default Re: Why does the BIOS have Master/Slave for SATA drives?

    The BIOS setting page referred to in the above post is shown attached.

    Aloke
    Attached Images Attached Images Why does the BIOS have Master/Slave for SATA drives?-bios-page-jpg 

  3. #3
    Join Date
    Dec 2010
    Location
    Near Toronto but not in it
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    624

    Default Re: Why does the BIOS have Master/Slave for SATA drives?

    The Only time you would see anything populate in the Slave area is if you are using the actual IDE port on the bottom right side (I believe this is on the Gigabyte Controller). each "IDE" port can run 2 drives in a master and slave configuration. I guess it was just easier for whoever that created the bios to leave the native IDE configuration as-is...

    I'm sure it would had been a pain to change.

    Vin
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