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    Will this work? (Installing AHCI driver)

    Discussion in 'Dell XPS and Studio XPS' started by chrusti, Sep 5, 2009.

  1. chrusti

    chrusti Notebook Evangelist

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  2. Commander Wolf

    Commander Wolf can i haz broadwell?

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    This is what I did on my E6400, but it should work for any 45 series chipset (and maybe 965 chipsets?):

    http://www.boards.ie/vbulletin/showpost.php?p=61607060&postcount=2

    Worked perfectly... the second time. First time I killed my disk image, so you might want to back that up if you're worried about screwing up. The driver file he mentions is iaStor.inf.
     
  3. chrusti

    chrusti Notebook Evangelist

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    Thanks, I will try it.
    If I dont come online for the next few hours you will know why.. xD!!

    Also, is there actually a noticeable speed difference between AHCI and IDE/ATA?
     
  4. Commander Wolf

    Commander Wolf can i haz broadwell?

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    No performance difference unless you're using a sufficiently fast drive. I've been using ATA mode for two years now without any problems, but I recently bought an X25-M to replace a slower SSD. Under ATA mode, the X25-M tops out at about 185MB/s sequential read whereas under AHCI mode, said drive tops out at 240MB/s sequential read.

    Although, even that you're probably not going to notice in real life, but I guess the theoretical gains are there if you're pushing the limits of the SATA bus.

    Short answer: no, no effective performance difference. Just hot-swap support.
     
  5. chrusti

    chrusti Notebook Evangelist

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    Thanks a lot
    +Rep for you.