INT 26 - DOS 3.31+ - ABSOLUTE DISK WRITE (>32M hard-disk partition)
AL = drive number (0=A, 1=B, etc)
CX = FFFFh
DS:BX -> disk write packet (see below)
Return: same as above
Notes:  partition is potentially >32M (and requires this form of the call) if
bit 1 of device attribute word in device driver is set
original flags are left on stack, and must be removed by caller
this call bypasses the DOS filesystem
SeeAlso: INT 25

Format of disk write packet:
Offset  Size    Description
00h    DWORD   sector number
04h    WORD    number of sectors to read
06h    DWORD   transfer address

See also: 1303

26 - DOS 3.31+ - ABSOLUTE DISK WRITE (>32M hard-disk partition)