7 Replies Latest reply on Dec 21, 2011 4:56 PM by zgr

    Intel PM55 chipset and X25-E SSD Very low 4K random reads/writes Alienware M17x -R2


      I am trying to figure out if there is something wrong with the PM55 chipset from Intel


      This is a screenshot taken from my Alienware M17x - R1 with an NVIDIA chipset (open the pictures on a new tab or window to see them)


      This is from my Alienware M17x - R2 with Intel Chipset using Dell's drivers chipset drivers and the Microsoft's default drivers for storage.


      This is after a clean Windows installation with only the Dell chipset drivers and for storage the latest RST drivers from Intel


      This is in safe mode


      I have tested the SSD and it's fine and I  have also performed a  secure erase to the disk before each clean Windows  installation to make  sure the SSD's performance is set back to factory  defaults (8 secure  erases and 8 clean Windows installations so far).

      I have also  tried every possible driver combination (Matrix Storage  drivers from  both Intel and Dell, RST, chipset drivers from both  Intel  and Dell)  and I haven't managed to get the performance close to half of  what it  was with my R1.


      Note,  the mode is set to AHCI from inside BIOS, I get the exact same  performance when Windows are installed with the RAID option instead of  AHCI.


      The same behavior is noticed among other manufacturers like Asus, Dell, Lenovo, HP






      Is this by any chance the reason for this problem?