https://devzone.nordicsemi.com/f/nordic-q-a/76250/nrf52840-dk---j-link-ob-msd-readonly-linux-vmI have recntly purchased a Nordic Semiconductors nrf52840 development board. I am having issues with the J Link OB MSD. When connected to LINUX Ubuntu 20.04 LTS which is running on a VM (Mac osx), the drive appears as readonly. I have tried 3 differenten-USTelligent Community 13Fri, 11 Jun 2021 11:40:55 GMThttps://devzone.nordicsemi.com/thread/314895?ContentTypeID=1Fri, 11 Jun 2021 11:40:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b4fc9729-9ede-47df-99a2-9f43f3d32dafJONATHAN LL<p>Hi,<br /><br />Cant answer everything here as this is quite the specific case, I would suggest that you stick to the platform that gives you less problems.&nbsp;<br /><br />Hope this helps<br />See this:<br /><a href="https://forum.segger.com/index.php/Thread/6318-SOLVED-Unable-to-install-Segger-JLink-on-Linux-udev-rules-error-possible-conflic/">[SOLVED] Unable to install Segger JLink on Linux (udev rules error; possible conflict with STM32CubeIDE) - J-Link/Flasher related - SEGGER - Forum</a>&nbsp;<br /><a href="https://wiki.segger.com/J-Link_OB#Enumeration_under_Ubuntu_running_in_VirtualBox_fails">J-Link OB - SEGGER Wiki</a>&nbsp;<br /><br />Regards,<br />Jonathan</p><div style="clear:both;"></div>