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AH = 06h AL = number of sectors to verify (must be nonzero) CH = low eight bits of cylinder number CL = sector number 1-63 (bits 0-5) high two bits of cylinder (bits 6-7, hard disk only) DH = head number DL = drive number (bit 7 set for hard disk) ES:BX -> data buffer
Return:
CF set on error if AH = 11h (corrected ECC error), AL = burst length CF clear if successful AH = status (see #00234 at INT 13/AH=01h) AL = number of sectors transferred ES:BX -> buffer for last sector processed (including one with errors)
Note: Even though no data is transferred, ES:BX must still be valid because an actual comparison with disk data is performed, not just the CRC check of the standard PC BIOS or INT 4D/AH=04h
See Also: AH=00h - AH=01h - AH=02h - AH=04h -
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