Technical information

NewBIOS Reference Serial Solutions
Service B2H, Get/Set Card type.____________________________
Compatibility._____________
NewBIOS service only, ignored by PC ROM BIOS.
Parameters.___________
AH = B2H Denotes service B2H
DX = 0...31 Port number, 0=COM1...31=COM32
AL = 00H Denotes read card type
AL = 01H Denotes set card type
BL = 0..2 type, as
0 ==> standard serial port (on card
or on motherboard). This is the
default.
1 ==> Brain Boxes Lynx or Quad
port serial card, also DigiBOARD
PC/4 or PC/8
2 ==> Flynix-8 FAT-011.
AL = 02H Denotes read card dependent
information, where
BX, = Up to 4 bytes information
CX
AL = 03H Denotes set card dependent
information, where
BX, = Up to 4 bytes information
CX
Return Values._____________
Subservices 00H and 01H, read/set card type:
BL = Card type as above
Subservices 02H and 03H, read/set card dependent
Chapter 5 Page 99