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    SSD refuses to run work at full speed

    Discussion in 'Alienware 17 and M17x' started by Liopleurodon, Apr 9, 2012.

  1. Liopleurodon

    Liopleurodon Notebook Consultant

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    Hi,
    Apart from my GPU which seems dead, I have another problem.
    My SSD used to give me a 7.9 in the Windows prestation index. However, after formatting my laptop it only gives me a 7.8. CrystalDiskMark confirms this: max read speed is only 263MB/s; while my ssd should get 400+. I have the A08 bios, set to AHCI and as far as I know I'm not missing any drivers. My ssd is also placed in HDD bay 0.

    Does anyone know what can cause this sudden performance decrease?
    I have the Crucial M4 128GB.
     
    Liopleurodon, Apr 9, 2012
    #1
  2. B4n6k3

    B4n6k3 Notebook Evangelist

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    B4n6k3, Apr 9, 2012
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  3. widezu69

    widezu69 Goodbye Alienware

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    Your SSD should be in bay 0. Also installing Intel RST causes that problem. Both my ports run full speeds because I only installed the chipset drivers and nothing else.
     
    widezu69, Apr 9, 2012
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  4. B4n6k3

    B4n6k3 Notebook Evangelist

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    For real dude ?? you put in port 0 and still achieve SATA 3 speed ? Do you run benchmark to make sure you're running on that speed ?? what BIOS version do you use now ?
     
    B4n6k3, Apr 9, 2012
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  5. Liopleurodon

    Liopleurodon Notebook Consultant

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    I reinstalled Windows and now the SSD performance seems normal; so it probably indeed was a driver causing problems. Widezu69, can you please give the RXXXX name of the chipset driver? Or a link to the driver on the Dell website? Then I don't risk installing the wrong driver again. The only Intel driver I currently have installed is the one for the HD3000.
     
    Liopleurodon, Apr 9, 2012
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  6. beast-alien

    beast-alien Notebook Enthusiast

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    beast-alien, Apr 9, 2012
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  7. widezu69

    widezu69 Goodbye Alienware

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    ^^Correct, I installed all those but avoided the Intel Rapid Storage driver. That reduces Sata speeds.
     
    widezu69, Apr 9, 2012
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  8. beast-alien

    beast-alien Notebook Enthusiast

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    ^^ +1 I also never install the Intel RST driver ;)
     
    beast-alien, Apr 9, 2012
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  9. SlickDude80

    SlickDude80 Notebook Prophet

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    do you get TRIM without RST? might not be applicable for beast alien because seems he's running raid 0, but when they eventually support trim in raid 0, it may be a different story
     
    SlickDude80, Apr 9, 2012
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  10. widezu69

    widezu69 Goodbye Alienware

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    TRIM is enabled without RST. The OP isn't running RAID 0 so RST doesn't matter too much.
     
    widezu69, Apr 9, 2012
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  11. SlickDude80

    SlickDude80 Notebook Prophet

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    wasn't talking about OP...was asking a question about RST and TRIM
     
    SlickDude80, Apr 9, 2012
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  12. widezu69

    widezu69 Goodbye Alienware

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    Oh right sorry. Yeah TRIM works without RST but it won't on RAID.
     
    widezu69, Apr 9, 2012
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  13. B4n6k3

    B4n6k3 Notebook Evangelist

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    B4n6k3, Apr 9, 2012
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  14. Tazadar

    Tazadar Notebook Geek

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    Is there anyway to get past the 3Gb sata driver without formating my computer? ^^
     
    Tazadar, Apr 10, 2012
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  15. widezu69

    widezu69 Goodbye Alienware

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    Yeah uninstall it...
     
    widezu69, Apr 10, 2012
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  16. beast-alien

    beast-alien Notebook Enthusiast

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    I do not run raid 0 with my 2 SSD's and yes I have trim without Intel RST installed. I have one as my primary OS and the other as my storage drive. Raid 0 is too risky, if one drive fails all data is ruined, so no raid 0 for me.

    Sorry for the late reply. Yes you can install the drivers above as it has nothing to do with your graphics card, only the CPU.
     
    beast-alien, Apr 12, 2012
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  17. B4n6k3

    B4n6k3 Notebook Evangelist

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    ah, finally getting the answer..... :D thanks mate..... +1 Rep.....

    after back up my data, I will try it ASAP.... I hope it works. The last time I reinstall the windows, port 0 still give me SATA 2 speed.....
     
    B4n6k3, Apr 12, 2012
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