diff --git a/config/boards/khadas-vim4.wip b/config/boards/khadas-vim4.wip
index b24c7cfcff..a3d1bfb103 100644
--- a/config/boards/khadas-vim4.wip
+++ b/config/boards/khadas-vim4.wip
@@ -25,3 +25,10 @@ function post_family_tweaks_bsp__kvim4_isp_modprobe() {
 		softdep iv009_isp pre: iv009_isp_iq iv009_isp_lens iv009_isp_sensor
 	EOD
 }
+
+function post_family_tweaks_bsp__enable_fan_service() {
+	if [[ ${BRANCH} = "legacy" ]]; then
+		run_host_command_logged mkdir -p "${destination}"/etc/systemd/system/mutli-user.target.wants
+		run_host_command_logged ln -sf /etc/systemd/system/fan.service "${destination}"/etc/systemd/system/mutli-user.target.wants/fan.service
+	fi
+}
diff --git a/config/sources/families/meson-s4t7.conf b/config/sources/families/meson-s4t7.conf
index 557c3fa3ba..1f7ec747e2 100644
--- a/config/sources/families/meson-s4t7.conf
+++ b/config/sources/families/meson-s4t7.conf
@@ -106,3 +106,10 @@ function image_specific_armbian_env_ready__force_16x9_display() {
 		run_host_command_logged echo "force_16x9_display=true" >>${SDCARD}/boot/armbianEnv.txt
 	fi
 }
+
+function post_family_tweaks_bsp__add_fan_service() {
+	if [[ ${BRANCH} = "legacy" ]]; then
+		run_host_command_logged mkdir -p "${destination}"/etc/systemd/system
+		run_host_command_logged cp "${SRC}"/packages/bsp/meson-s4t7/fan.service "${destination}"/etc/systemd/system
+	fi
+}
diff --git a/packages/bsp/meson-s4t7/fan.service b/packages/bsp/meson-s4t7/fan.service
new file mode 100644
index 0000000000..e815d82a7b
--- /dev/null
+++ b/packages/bsp/meson-s4t7/fan.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Automatic Fan Control Service
+
+[Service]
+Type=oneshot
+RemainAfterExit=Yes
+ExecStart=/bin/sh -c "echo 1 > /sys/class/fan/mode"
+ExecStart=/bin/sh -c "echo 1 > /sys/class/fan/enable"
+
+[Install]
+WantedBy=multi-user.target