INT 2F - Kingswood TSR Windows - SET WINDOW TITLE
AX = 3901h
BL = 06h
DS:SI -> title string
Return: AX = error code (0000h if successful)
SeeAlso: AX=3901h/BL=02h

See also: 2F39

2F3901BL06 - Kingswood TSR Windows - SET WINDOW TITLE