; BPB from first sector on FAT fs, starting 0x0B
BPB_SS:  EQU 0  ; WORD sector size
BPB_SC:  EQU 2  ; BYTE sectors per cluster
BPB_RSC: EQU 3  ; WORD reserved sector count
BPB_FN:  EQU 5  ; BYTE number of FATs
BPB_RDE: EQU 6  ; WORD number of root directory entries
BPB_TS:  EQU 8  ; WORD total number of sectors
BPB_MI:  EQU 10 ; BYTE medium identifier
BPB_SF:  EQU 11 ; WORD sectors per FAT
BPB_SPT: EQU 13 ; WORD sectors per track
BPB_NOS: EQU 15 ; WORD number of sides/heads
BPB_PO:  EQU 17 ; DWORD partition offset