Int 2F Fn C0AE  U - Hp 100lx/200lx - Pushkeys - Installation Check         [K]

   AX = C0AEh

Return: AX = 4453h if installed
   CX = 5259h if installed
Range: AH=C0h to AH=FFh, selected by scanning for signature

See Also: AX=C000h"HP 100LX",AX=C001h"HP 100LX",AX=C0AFh"HP 100LX"