In order to turn off RTS in a timely fashion using
Mdbus(Win32 edition) under Windows 95, the Tx fifo
setting for the communication port being used is
assumed to be set to 1.
This is not required for Windows NT as this
information can be determined from the registry.

The following is the procedure under Windows 95 to
set the Tx fifo to 1.

1.  Select Control Panel under Start, Settings.
2.  Select System Icon.
3.  Select the Device Manager Tab.
4.  Select Ports (COM & LPT).
5.  Select the Communications Port being used.
6.  Select the Port Settings.
7.  Depress the Advanced pushbutton.
8.  Set Transmit Buffer to Low(1).
9.  Select OK.
10. Select OK.
11. Select OK.