Last Updated: 9/27/2010
The following firmware update are design for older enclosures and docks using JMS539 chipset. If you recently purchase the following model, you do not need to updated the firmware.
Due to the recent change in drivers for SuperSpeed USB 3.0 Host, a firmware update may be necessary for the following devices to function properly.
Applicable Storage Devices:
- NexStar CX Superspeed (NST-310S3)
- NexStar 3 SuperSpeed 2.5" (NST-280S3)
- NexStar SuperSpeed Hard Drive Dock (NST-D300S3)
Chipset: JMS539 - Firmware Installation Tool - Download Here.
- NexStar SuperSpeed Dual Bay Hard Drive Dock (NST-D400S3)
Chipset: JMS551 - Firmware Installation Tool - Download Here.
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NST-310S3, NST-280S3-BK, and NST-D300S3
1. Connect the enclosure or dock to a USB 2.0 port.
2. Open or Extract the downloaded file and Run JMS539FwUpdateTool_v03.

3. Click 'Yes' to proceed. The Update Tool will automatically initialize and update your device.


4. Once the update is complete, safely remove and power off or eject the device.

5. Connect to a USB port and check the firmware version by running the JMS539FwUpdateTool_v03.exe again.

6. Firmware update complete.
NST-D400S3
1. Connect the enclosure or dock to a USB 2.0 port.
2. Open or Extract the downloaded file and Run JMS551FwUpdateTool_v01.exe.

3. Click 'Yes' to proceed. The Update Tool will automatically initialize and update your device.


4. Once the update is complete, safely remove and power off or eject the device.

5. Connect to a USB port and check the firmware version by running the JMS551FwUpdateTool_v01.exe again.

6. Firmware update complete.