COMPATIBILITY: works with the following known models:
E231i-B1 E280i-A1 E320i-B0 E390i-A1 E400i-B2 E420i-A1 E500D-A0 E550i-A0 E241i-A1 E280i-B1 E320i-B1 E390i-B0 E401i-A2 E420i-A0 E500i-B1 E500i-B0 E550i-A0E E241i-A1 E291i-A1 E320i-B2 E390i-B1 E420i-B0 E550i-B2 E241i-B1 E320i-A2 E480i-B2 E551i-A2 E600i-B3
E320i-A0 E420d-A0 E422VLE, E470i-A0 E472VL E472VLE E500i-A0
E552VLE M320SL M370SL E551d-A0