Technical information
NewBIOS Reference Serial Solutions
Figure 5-1. NewBIOS Functions Summary._____________________________________
Service. Built In BIOS Function._______ _____________________
0H Initialise communications port.
1H Send character.
2H Receive character.
3H Read status.
4H Extended initialise.
5H Extended communications port control.
Service. NewBIOS Function Provided by Serial Solutions._______ ___________________________________________
ADH Set port address.
AEH Get number of ports.
AFH Get/Set IRQ line.
B0H Get/Set Hardware Handshake.
B1H Get/Set Software Handshake.
B2H Get/Set Card Type.
B3H Get/Control Buffers.
B4H Get Serial Solution Capability.
Summary Of Services.____________________
The asynchronous services available are:
Service 0H, initialise communications port.
This sets the port parameters. These are the baud rate,
parity, number of stop bits and word length.
Service 1H, send character.
Send a single (usually ascii) character to the port.
Service 2H, receive character.
Receive a single character from the port.
Chapter 5 Page 71