Tuesday, December 20, 2011

Windows 7 TRIM command validation for SSD

  • Open elevated command prompt
  • fsutil behavior query DisableDeleteNotify
  • This needs to return 0 of TRIM is enabled
  • Ensure disk defrag is turned off on the SSD drive
  • Check registry at "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters", and  if "EnablePrefetcher" & "EnableSuperfetch" was 0 it meant TRIM be working

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