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    Intel RST drivers setting my drive as 1.5Gbps

    Discussion in 'VAIO / Sony' started by komugi, Jan 19, 2011.

  1. komugi

    komugi Notebook Geek

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    Intel RST drivers (latest ver) that I just installed setting my drive as 1.5Gbps on my Vaio Z -- :| Anyone know if there are any resolution to it or if anyone ran into the same problem before?

    After a fresh install of the OS and only installing a couple of patches from WU, I tried Crystal Mark, the sequential read is about 220 and the write is about 215 or so.

    After installing drivers and applications (drive is probably around 50% full). I ran CrystalMark again, but this time, I am averaging around 133MB/s for both read/write.

    Upon looking futher into the issue, it seems like that after installing Intel RST, the driver drops me into 1.5 Gbps mode for the SSD.
    [​IMG]

    Is this just a matter of unsupported hardware by the RST? -- I am currently running a Samsung 470 SSD 256GB on Intel(R) ICH8M-E/ICH9M-E SATA RAID Controller (single drive).

    Currently reverted back to 8.6.2.1012 (windows default driver), but I've also tried the 9.6 version, performance was identical to 10.1.0.1008.

    Benchmark shown here:
    The red bars are 8.6.2.1012 while the blue is 10.1.0.1008
    [​IMG]

    Now I am caught wondering if this is an issue with just Intel RST or the SSD or even the laptop BIOS itself.


    Can anyone provide any futher insight into the matter?

    Thanks.
     
    komugi, Jan 19, 2011
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  2. komugi

    komugi Notebook Geek

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    Added some more information.. hopefully someone might have an answer
     
    komugi, Jan 19, 2011
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