diff --git a/changelogs/fragments/320-add-routerboard-properties.yml b/changelogs/fragments/320-add-routerboard-properties.yml
new file mode 100644
index 0000000..c498dab
--- /dev/null
+++ b/changelogs/fragments/320-add-routerboard-properties.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - api_info, api_modify - add support for the ``cpu-frequency``, ``memory-frequency``, ``preboot-etherboot`` and ``preboot-etherboot-server`` properties in ``system routerboard settings`` (https://github.com/ansible-collections/community.routeros/pull/320).
diff --git a/plugins/module_utils/_api_data.py b/plugins/module_utils/_api_data.py
index ae47274..6ecfeee 100644
--- a/plugins/module_utils/_api_data.py
+++ b/plugins/module_utils/_api_data.py
@@ -4257,9 +4257,13 @@ PATHS = {
                 'boot-delay': KeyInfo(default='2s'),
                 'boot-device': KeyInfo(default='nand-if-fail-then-ethernet'),
                 'boot-protocol': KeyInfo(default='bootp'),
+                'cpu-frequency': KeyInfo(),
                 'enable-jumper-reset': KeyInfo(default=True),
                 'enter-setup-on': KeyInfo(default='any-key'),
                 'force-backup-booter': KeyInfo(default=False),
+                'memory-frequency': KeyInfo(),
+                'preboot-etherboot': KeyInfo(),
+                'preboot-etherboot-server': KeyInfo(),
                 'protected-routerboot': KeyInfo(default='disabled'),
                 'reformat-hold-button': KeyInfo(default='20s'),
                 'reformat-hold-button-max': KeyInfo(default='10m'),