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struc PartEntry
 peBootable             db ?    ; 80h = bootable, 00h = non-bootable
 peBeginHead            db ?    ; Beginning head (<=> 1st track in part.)
 peBeginSector          db ?    ; Beginning sector (rel. to 1st track)
 peBeginCylinder        db ?    ; Beginning cylinder (<=> 1st track)
 peFileSystem           db ?    ; Type of file system
 peEndHead              db ?    ; Ending head (<=> last track in part.)
 peEndSector            db ?    ; Ending sector (rel. to 1st track)
 peEndCylinder          db ?    ; Ending cylinder (<=> last track)
 peStartSector          dd ?    ; Starting sector (rel. to beg. of disk)
 peSectors              dd ?    ; No. of sectors in partition
ends

;       The PartEntry structure specifies the size and the starting
;       and ending sectors of a partition on a disk that can be
;       partitioned.
;       DOS supplies a partition table for every disk that can be
;       partitioned. The table, placed at the end of the first hidden
;       sector on the logical drive, consists of one or more PartEntry
;       structures.
;
;       ; peFileSystem
;       00h     Unknown
;       01h     12-bit FAT; partition smaller than 10 MB
;       04h     16-bit FAT; partition smaller than 32 MB
;       05h     Extended DOS partition
;       06h     16-bit FAT; partition larger than or equal to 32 MB