The only types of cash drawers that are possible to support (that open automatically) are the ones that connect to a receipt printer such as APG Vasario 1416 Cash Drawer

1. From the control panel --> Devices and printers
2. Right click the Star printer and select Printer Properties
3. Click Device settings tab
4. For Peripheral Unit Type; change to Cash Drawer
5. Make sure "pulse width" is 200ms and "Peripheral Unit 1" is "Document Top"