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kolibrios/kernel/branches/Kolibri-A/trunk/bootloader/floppy1440.inc
Artem Jerdev (art_zh) e37372cd01 bootloader optimization
git-svn-id: svn://kolibrios.org@1940 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-05-28 07:32:24 +00:00

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seg_inc_per_cluster equ 32 ; = cluster_size shr 4
BS_OEMName db 'KOLIBRI ' ; db 8
BPB_BytsPerSec dw 512 ; bytes per sector
BPB_SecPerClus db 1 ; sectors per cluster
BPB_RsvdSecCnt dw 1 ; number of reserver sectors
BPB_NumFATs db 2 ; count of FAT data structures
BPB_RootEntCnt dw 224 ; count of 32-byte dir. entries (224*32 = 14 sectors)
BPB_TotSec16 dw 2880 ; count of sectors on the volume (2880 for 1.44 mbytes disk)
BPB_Media db 0f0h ; f0 - used for removable media
BPB_FATSz16 dw 9 ; count of sectors by one copy of FAT
BPB_SecPerTrk dw 18 ; sectors per track
BPB_NumHeads dw 2 ; number of heads
BPB_HiddSec dd 0 ; count of hidden sectors
BPB_TotSec32 dd 0 ; count of sectors on the volume (if > 65535)
BS_DrvNum db 0 ; int 13h drive number
BS_Reserved db 0 ; reserved
BS_BootSig db 29h ; Extended boot signature
BS_VolID dd 0 ; Volume serial number
BS_VolLab db 'KOLIBRI ' ; Volume label (db 11)
BS_FilSysType db 'FAT12 ' ; file system type (db 8)