Int E6 Fn 00  - Linux Dosemu - Installation Check                          [O]

   AH = 00h

Return: AX = AA55h if installed
       BH = major version number
       BL = minor version number
       CX = patchlevel

Notes: check for the BIOS date string "02/25/93" at F000:FFF5 before
     calling this function.  In addition, the segment address of this
     vector should be F000h (for existing versions of DOSemu, the
     vector is F000h:0E60h)

See Also: AH=FFh