Firmware Update: Crucial M500 MU03

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Crucial has released new firmware for its m500 series solid state drives. The update is suitable for both the sata and msata models. Updating the firmware can be done directly from Windows 7 and Windows 8. Users of another operating system will have a boot cd have to create. Version MU03 fixes some smart issues, among other things, makes the drive work better with Intel CPUs from the Haswell family, and fixes an issue that caused a long reboot on certain Apple MacBooks. Full details can be found in the release notes.

Firmware Update MU03

Firmware for the M500 (all form factors) is being updated from version MU02 to MU03. The M500 is updateable to this new firmware starting from previous versions using tools provided by Micron.

This update will be mandatory cut-in for new product built in Micron factories, and is an OPTIONAL update for any drive in the field. For end users, it is recommended if the user is experiencing or wishes to prevent an issue related to the following items.

Version MU03 includes the following changes:

  • SMART fix to ensure zero at all attributes upon shipment
  • SMART counter improvements for better customer data
  • Fix for potential Haswell compatibility issue (latest Intel platform)
  • Provide system builders with the ability to disable the temperature throttling function (please see updated data sheet)
  • Resolved potential problem causing long reboot times on some Apple MacBook systems
  • Improved compatibility with latest encryption management software
  • Changed polarity or DAS (drive activity signal)
  • Improvements in efficiency of background operations for improved lifetime and performance
  • Fixed bug in SMART readlog operation (does not affect SMART data)

Additional details can be found in the firmware guide

Version number MU03
Release status Final
Operating systems Windows 7, macOS, Windows 8
Website crucial
Download http://www.crucial.com/support/firmware.aspx?source=web%3fsource%3dweb
File sizes

1.10MB – 3.83MB

License type Freeware
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