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    AHCI vs SATA

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by TheGOG, Jun 21, 2010.

  1. TheGOG

    TheGOG Notebook Geek

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    Is it better to set the SATA on the BIOS to SATA or AHCI?
     
    TheGOG, Jun 21, 2010
    #1
  2. JohnnyFlash

    JohnnyFlash Notebook Virtuoso

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    If you mean IDE or AHCI, generally AHCI is the better choice. You shouldn't change it if you already have an OS installed though.
     
    JohnnyFlash, Jun 21, 2010
    #2
  3. Nick

    Nick Professor Carnista

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    I believe AHCI and SATA are the same.
     
    Nick, Jun 21, 2010
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  4. Amnesiac

    Amnesiac 404

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    Not quite. AHCI is a system that SATA interfaces uses, not the interface itself, I believe. AHCI allows for some features like hot swapping of drives, etc.
     
    Amnesiac, Jun 21, 2010
    #4
  5. Matt is Pro

    Matt is Pro I'm a PC, so?

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    SATA is the actual hardware port on harddrives and motherboards, like IDE.

    As Shadow said, AHCI is a system that allows the SATA controller to communicate with the rest of the computer, like IRRT.
     
    Matt is Pro, Jun 21, 2010
    #5
  6. Musuta

    Musuta Notebook Consultant

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    Yeah its bit confusing
    There is
    IDE also known --> PATA
    SATA
    SCSI

    If you using SATA you can still configurate it as IDE and RAID
    (as an exaple on USB u can use USB 1.1 on USB 2.0)

    AHCI is system of transfering reading writing data
    RAID is enhanced speeded up system of transfering reading writing data
     
    Musuta, Jun 21, 2010
    #6
  7. sean473

    sean473 Notebook Prophet

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    ACHI.. SATA is name of interface/ drive speed.
     
    sean473, Jun 21, 2010
    #7
  8. User Retired 2

    User Retired 2 Notebook Nobel Laureate NBR Reviewer

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    Sse the AHCI setting. It enables NCQ which can double HDD 4kb reads and dramatically increase SSD throughput. See here.
     
    User Retired 2, Jun 21, 2010
    #8