Int 21 Fn 4404  - Sfs V1.00 - Get Configuration Information                [d]

   AX = 4404h
   BL = drive number (00h = default, 01h = A:, etc)
   CX = 001Ah (length of data packet)
   DS:DX -> buffer for data packet (see #1223)

Return: CF clear if successful
       AX = number of bytes actually transferred
   CF set on error
       AX = error code (01h,05h,06h,0Dh) (see #1366 at AH=59h/BX=0000h)
Program: SFS (Secure FileSystem) is a shareware encrypting disk driver by
     Peter C. Gutmann

See Also: AX=4405h"SFS"

Format of SFS data packet:
Offset Size    Description (Table 1223)
 00h  4 BYTEs  signature string "SFS1"
 04h   WORD    SFS unit number (0-based)
 06h   WORD    drive on which the SFS volume is mounted
 08h   DWORD   sector offset of logical volume from start of physical volume
       0 if logical volume = physical volume
 0Ch   WORD    flag: 00h = no disk mounted, 01h = disk mounted
 0Eh   WORD    flag: 00h read/write, 01h read-only
 10h   WORD    quick-unmount hotkey
       (high byte = shift state, low = scan code) (see #0005)
 12h   WORD    auto-unmount time in minutes, or 0000h if already expired, or
       FFFFh if not set
 14h   WORD    time in minutes remaining before auto-unmount
 16h   WORD    internal driver check code
       0000h no error
       0001h driver consistency check failed
       0002h unit consistency check failed
 18h   WORD    disk access mode
       0000h BIOS
       0001h IDE direct access
       0002h SCSI direct access