When should we select the 'RTX kernel' in MDK 'Options for Target'

If I include some RTX related files like 'RTX_CM4.lib' in MDK project, it seems no difference whether the operating systems 'None' or 'RTX Kernel' is selected. And I can see threads scheduling in 'Event...
When should we select the 'RTX kernel' in MDK 'Options for Target'

If I include some RTX related files like 'RTX_CM4.lib' in MDK project, it seems no difference whether the operating systems 'None' or 'RTX Kernel' is selected. And I can see threads scheduling in 'Event...
When I select "use on chip ROM" under target options

I receive a linker error 201 when I select the "use on chip ROM' under options\target. Otherwise the code compiles/links correctly. This device AT89S8253 has both on board flash for code and 2k of on...
When I select "use on chip ROM" under target options

I receive a linker error 201 when I select the "use on chip ROM' under options\target. Otherwise the code compiles/links correctly. This device AT89S8253 has both on board flash for code and 2k of on...
Target device missing from Options for Target -> Device

Hi guys, I am trying to setup a project for a LPC54616J512BD100 microcontroller but the device is not listed in the Options for Target -> Device window in μ Vision. I have installed the support pack...