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June 23, 2010
8.9 Write Buffer (FN 0Fh)
This function shall be used to write 512 bytes of data to the specified device's buffer.
Entry
AH 0Fh
DL BIOS device number
ES:BX Pointer to source buffer in memory
Exit
Carry Clear Function completed without error
Carry Set Function completed with an error
Working Draft Enhanced Disk Drive - 4 (EDD-4)
AH Shall be cleared to zero
AH Shall be set to the error code
T13/2132-D Revision 3
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