軟碟的格式編排位址區段緩衝區的項目（在軌道中的每一個磁區）

Format of floppy format address field buffer entry (one per sector in track):

Offset Size Description
 00h BYTE track number
 01h BYTE head number (0-based)
 02h BYTE sector number
 03h BYTE sector size (00h=128 bytes, 01h=256 bytes, 02h=512, 03h=1024)