INT 48 U - Compaq UILIB.EXE - INSTALLATION CHECK AX = 1A70h BX = call type (see #03207) Return: CX = 5649h ('VI') if installed DX = 4557h ('EW') if installed AX = version??? (0106h) (Table 03207) Values for UILIB call type: 0000h near 0001h far 0002h INT (only valid call type when using INT 48) 0003h near