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Important macOS update and Thunderbolt Firmware Information
Last Modified: 6/17/2017      Last Modified by: LL   
Article ID:205

Products Affected:   Thunderbolt Station 3 Lite [TS3 Lite], Thunderbolt Station 3 [TS3]

To ensure optimal performance and compatibility with your MacBook Pro 2016, please refrain from using non-CalDigit Thunderbolt 3 cables with the Thunderbolt Station 3. Not all USB-C cables are equal and cables such as the Apple USB-C charging cable will not work with any Thunderbolt devices.

We also recommend that you update your MacBook Pro to the latest available version of macOS in order to ensure full functionality with the Thunderbolt Station 3. Furthermore, you should also check the following items and verify that they are up-to-date.

1. macOS Version
Go to Finder and click on “Apple” icon, choose “About This Mac” and verify macOS version. You should have 10.12.5 or later versions.



2. Thunderbolt Firmware Version

Click on “System Report” from above “About This Mac,” and navigate to the “Thunderbolt” section. Click on “Thunderbolt Bus 0” or “Thunderbolt Bus 1” if you have 4-port Thunderbolt 3 Mac. Check the “Firmware Version” under Thunderbolt Bus. It must be 19.6 or newer.



3. Boot ROM Version
4. SMC Version

Both Boot ROM and SMC versions can be found from “Hardware” Section in System Report. Different MacBook Pros have different versions.

For 13” MacBook Pro, you should have Boot ROM Version: MBP132.0226.B22 or newer,
SMC Version: 2.37f20 or newer.



For 15” MacBook Pro, you should have Boot ROM Version: MBP133.0226.B23 or newer,
SMC Version: 2.38f7 or newer.



If any of the items above are showing older versions (i.e. the Thunderbolt Firmware may show 15.4 on your Thunderbolt Bus 0 and 1) You will need to update your macOS to the latest version or re-install your macOS in the event that you have the latest macOS but are still showing older Thunderbolt Firmware prior to 19.6. You will need to reset the NVRAM on your Mac before re-installing your macOS.

See more information below:
macOS Recovery Installation to restore and repair system files
How to reset NVRAM on your Mac

If you have any problem with TS3 or TS3 Lite please contact us: support@caldigit.com.

Be sure to provide your Mac’s system profile in the email.


Keywords : macOS update, Thunderbolt firmware, MacBook Pro 2016