diff --git a/boards/nxp/lpcxpresso55s69/board.cmake b/boards/nxp/lpcxpresso55s69/board.cmake
index 137b2e614f3aa..554ff716de3d3 100644
--- a/boards/nxp/lpcxpresso55s69/board.cmake
+++ b/boards/nxp/lpcxpresso55s69/board.cmake
@@ -8,15 +8,19 @@
 ## DAP Link implementation in pyocd is underway,
 ## until then jlink can be used or copy image to storage
 
-if(CONFIG_BOARD_LPCXPRESSO55S69_LPC55S69_CPU0 OR
-   CONFIG_BOARD_LPCXPRESSO55S69_LPC55S69_CPU0_NS OR
-   CONFIG_SECOND_CORE_MCUX)
+board_runner_args(linkserver  "--device=LPC55S69:LPCXpresso55S69")
+
+if(CONFIG_SECOND_CORE_MCUX)
+  board_runner_args(linkserver  "--core=all")
+elseif(CONFIG_BOARD_LPCXPRESSO55S69_LPC55S69_CPU0 OR
+   CONFIG_BOARD_LPCXPRESSO55S69_LPC55S69_CPU0_NS)
   board_runner_args(jlink "--device=LPC55S69_M33_0")
-  board_runner_args(linkserver  "--device=LPC55S69:LPCXpresso55S69")
   board_runner_args(linkserver  "--override=/device/memory/0/flash-driver=LPC55xx_S.cfx")
   board_runner_args(linkserver  "--override=/device/memory/0/location=0x10000000")
+  board_runner_args(linkserver  "--core=cm33_core0")
 elseif(CONFIG_BOARD_LPCXPRESSO55S69_LPC55S69_CPU1)
   board_runner_args(jlink "--device=LPC55S69_M33_1")
+  board_runner_args(linkserver  "--core=cm33_core1")
 endif()
 
 board_runner_args(pyocd "--target=lpc55s69")
@@ -25,6 +29,6 @@ if(CONFIG_BUILD_WITH_TFM)
   set_property(TARGET runners_yaml_props_target PROPERTY hex_file tfm_merged.hex)
 endif()
 
+include(${ZEPHYR_BASE}/boards/common/linkserver.board.cmake)
 include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
 include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
-include(${ZEPHYR_BASE}/boards/common/linkserver.board.cmake)
diff --git a/boards/nxp/lpcxpresso55s69/doc/index.rst b/boards/nxp/lpcxpresso55s69/doc/index.rst
index b4a7328af318a..8e1a41e11fc6b 100644
--- a/boards/nxp/lpcxpresso55s69/doc/index.rst
+++ b/boards/nxp/lpcxpresso55s69/doc/index.rst
@@ -273,6 +273,7 @@ Build and flash applications as usual (see :ref:`build_an_application` and
 Configuring a Debug Probe
 =========================
 
+LinkServer is the default runner for this board.
 A debug probe is used for both flashing and debugging the board. This board is
 configured by default to use the LPC-Link2 CMSIS-DAP Onboard Debug Probe,
 however the :ref:`pyocd-debug-host-tools` does not yet support this probe so you
@@ -316,7 +317,7 @@ Flashing
 ========
 
 Here is an example for the :zephyr:code-sample:`hello_world` application. This example uses the
-:ref:`jlink-debug-host-tools` as default.
+:ref:`linkserver-debug-host-tools` as default.
 
 .. zephyr-app-commands::
    :zephyr-app: samples/hello_world
@@ -328,8 +329,8 @@ see the following message in the terminal:
 
 .. code-block:: console
 
-   ***** Booting Zephyr OS v1.14.0 *****
-   Hello World! lpcxpresso55s69
+   ***** Booting Zephyr OS v3.7.0 *****
+   Hello World! lpcxpresso55s69/lpc55s69/cpu0
 
 Building and flashing secure/non-secure with Arm |reg| TrustZone |reg|
 ----------------------------------------------------------------------
diff --git a/scripts/west_commands/runners/linkserver.py b/scripts/west_commands/runners/linkserver.py
index 3e0baf9f60576..f1a4630dd8798 100644
--- a/scripts/west_commands/runners/linkserver.py
+++ b/scripts/west_commands/runners/linkserver.py
@@ -18,7 +18,7 @@
 
 DEFAULT_LINKSERVER_EXE = 'Linkserver.exe' if sys.platform == 'win32' else 'LinkServer'
 DEFAULT_LINKSERVER_GDB_PORT =  3333
-DEFAULT_LINKSERVER_SEMIHOST_PORT = 3334
+DEFAULT_LINKSERVER_SEMIHOST_PORT = 8888
 
 class LinkServerBinaryRunner(ZephyrBinaryRunner):
     '''Runner front-end for NXP Linkserver'''
@@ -95,6 +95,7 @@ def do_add_parser(cls, parser):
     @classmethod
     def do_create(cls, cfg, args):
 
+        print("RUNNER - gdb_port = " + str(args.gdb_port) + ", semih port = " + str(args.semihost_port))
         return LinkServerBinaryRunner(cfg, args.device, args.core,
                                  linkserver=args.linkserver,
                                  dt_flash=args.dt_flash,