Int 13H Function 03H
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Description: Write Sector [PC] [AT] [PS/2]
Writes one or more sectors from memory to disk.
Input Output
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AH=03H If function successful
AL=number of sectors Carry flag=clear
CH=cylinder AH=00H
CL=sector AL=number of sectors
DH=head transferred
DL=drive
00H-7FH floppy disk If function unsuccessful
80H-FFH fixed disk Carry flag=set
ES:BX=segment:offset of buffer AH=status
(see Int 13H Function 01H)
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