https://devzone.nordicsemi.com/f/nordic-q-a/45475/mesh-sdk-v3-1-0-and-light-switch-server-app-and-the-segger-emproject-fileHi I am looking at the file \examples\light_switch\server\light_switch_server_nrf52840_xxAA_s140_6_1_0.emProject and in there I see that there is the line linker_section_placements_segments=&quot;FLASH RX 0x0 0xf8000;RAM RWX 0x20000000 0x3f000&quot; en-USTelligent Community 13Wed, 03 Apr 2019 08:28:34 GMThttps://devzone.nordicsemi.com/thread/179905?ContentTypeID=1Wed, 03 Apr 2019 08:28:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8cdc15c0-3ce0-463e-a803-aadac7597484Mttrinh<p>Hi,</p> <p>The reserved area in flash is 32K and in RAM it is 4K. This is to account for the future use of the bootloader.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/178881?ContentTypeID=1Thu, 28 Mar 2019 10:24:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:09eaa081-7b73-4b6f-8a28-b7a60d5452f7Mahendra Tailor<p>I stand corrected :-)<br /><br />However, importantly my question is why the full amount of memory is not used.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/178877?ContentTypeID=1Thu, 28 Mar 2019 10:15:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:27b18268-2c8d-4e60-9493-4121be8bca17awneil<p>Note that 0x1000 = 4096 = <strong>4K</strong> - not 1K</p><div style="clear:both;"></div>