Int 2F Fn C000  U - Hp 100lx/200lx - Pushkeys - Installation Check         [K]

   AX = C000h

Return: AL = FFh if possibly installed
Range: AH=C0h to AH=FFh, selected by scanning for signature with AL=AEh

See Also: AX=C001h"HP 100LX",AX=C0AEh"HP 100LX",AX=C0AFh"HP 100LX"