Int 2F/AX=E300h

AX = E300h

Return:
AL = state
00h not installed
FEh if installed but suspended (v3.0+)
FFh installed

Program: ANARKEY.COM is a commandline recall program by Steven Calwas

Range:
AH=C0h to AH=FFh, selected by commandline switch

See Also: AX=E100h - AX=E301h - AX=E302h - AX=E303h -

See Also: AX=E307h - INT 66"Newkey"