diff --git a/README.md b/README.md
index 110c906..c56c4c0 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,9 @@ This controller enables automatic adjustments of FANs in SUPERMICRO servers base
 * nvidia drivers/tools (`nvidia-smi`)
 * IPMI tool (`impitool`) with loaded module (`modprobe ipmi_devintf`)
 
-Tested on SUPERMICRO 4029GP TRT2 with RTX 2080 Ti (nvidia 415.27 drivers).
+Tested on SUPERMICRO 4029GP TRT2 with RTX 2080 Ti (nvidia 415.27 drivers). 
+
+NOTE: Using this script on other systems requires manual calibration of a function that converts the FANs RPM values into %-based values (function `SUPERMICRO_4029GP_TRT2_RPM_to_percent()` in `supermicro.py`). Current values are hardcoded for SUPERMICRO 4029GP TRT2.
 
 # Usage
 
@@ -25,7 +27,7 @@ sudo chmod +x ./install_daemon.sh
 sudo ./install_daemon.sh
 ```
 
-Service is registered for start at system startup. Start and stop it using:
+Service is registered to start at system startup. Start and stop it using:
 ```bash
 # start
 sudo systemctl start superfans-gpu-controller
@@ -39,3 +41,20 @@ sudo systemctl status superfans-gpu-controller
 # view logs (with trailing)
 sudo journalctl -f -u superfans-gpu-controller
 ```
+
+# Settings
+
+Currently the settings are hardcoded into superfans_gpu_controller.py using the following table:
+ * 0°C => 25%
+ * 60°C => 30%
+ * 70°C => 36%
+ * 80°C => 40%
+ * 85°C => 45%
+ * 90°C => 50%
+ 
+At full workload using 4x RTX 2080 Ti this results in around 75°C - 80°C at GPU.
+
+## TODO:
+ * split settings into seperate config file
+ * enable linear increases between each setting point
+ * enable online calibration of FANs (currenlty hardcoded for SUPERMICRO 4029GP TRT2!!)