INT 13 - HARD DISK - WRITE LONG SECTOR(S) (ATIBM PC AT and later) AH = 0Bh AL = number of sectors (01h may be only value supported) CH = low eight bits of cylinder number CL = sector number (bits 5-0) high two bits of cylinder number (bits 7-6) DH = head number DL = drive number (80h = first, 81h = second) ES:BX -> data buffer Return: CF clear if successful CF set on error AH = status (see #00234) AL = number of sectors transferred Notes: each sector's worth of data must be followed by four to seven bytes of error-correction information used for diagnostics only on PS/2IBM PS/2, any model systems; IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. officially classifies this function as optional SeeAlso: AH=03h,AH=0Ah,MEM 0040h:0074h