INT 21 - PCW Weather Card interface - INSTALLATION CHECK
AX = 7070h
BX = 7070h
CX = 7070h
DX = 7070h
SX = 7070h
DX = 7070h
Return: AX = 0070h
BX = 0070h
CX = 0070h
DX = 0070h
SX = 0070h
DX = 0070h
SeeAlso: AX=8080h

See also: 217070

217070BX7070 - PCW Weather Card interface - INSTALLATION CHECK