Boot Sector Format BPB (BIOS Parameter Block) for FAT12 Offset Size
{"Image DocumentName": "Boot Sector Format BPB (BIOS Parameter Block) for FAT12 Offset Size", "Image ImageDescription": "Name. Default Value. Description. 3. jmp start. (nop) e9 <offset_16> eb <offset_8> BS_OEMName. MSWIN4.1 OEM name (use MSWIN4.1 for compatibility) BPB_BytsPerSec Bytes per sector (possible values are 512, 1024, 2048, and 4096) BPB_SecPerClus. Sectors per cluster (n^2: 1, 2, 4, 8, 16, 32, 64, and 128) 14. BPB_RsvdSecCnt. Reserved sector count (1 for FAT12/FAT16, 32 for FAT32) 16. BPB_NumFATs. Number of FATs. 17. BPB_RootEntCnt Root entry count (512 for FAT16, 0 for FAT32) 19. BPB_TotSec Total sectors. 21. BPB_Media. 0xf0. 0xf0 for removal media, 0xf8 for fixed media (available values: 0xf0 - 0xff) 22. BPB_FATSz Sectors per FAT (16-bit) for FAT12/FAT16. 0 for FAT BPB_SecPerTrk. 18. Sectors per track. 26. BPB_NumHeads. Number of heads (2 for 1.44 MB 3.5-inch floppy) BPB_HiddSec. Hidden sectors (0 for non-partitioned media) 32. BPB_TotSec32. Total sector (32-bit) (BPB_TotSec32 >= 0x10000 when BPB_TotSec16 == 0) 36. BS_DrvNum. Drive number (0x00 for FDD, 0x80 for HDD) 37. BS_Reserved1. Reserved (used by WindowsNT) (= 0) 38. BS_BootSig. 0x29. Boot signature (= 0x29) indicating the following 3 fields are present. 39. BS_VolID. Any integer number. Volume serial number. (It is usually assigned with timestamp.) 43. BS_VolLab. NO NAME Volume label (11 bytes = 8 + 3). It s likely to use NO NAME by default. 54. BS_FileSysType. FAT12 File system type: FAT12 , FAT16 , or FAT", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}