Int 13/AX=8006h/CX=6572h

AX = 8006h
CX = 6572h
DX = 1970h
ES:BX -> request packet (see #00295)

Return:
AX = 1965h if installed

See Also: AH=80h - AX=8001h - AX=8007h


Format of FAST! request packet:

Offset  Size    Description     (Table 00295)
00h    DWORD   -> 19-byte signature string (see #00291)