function causes the fixed adapter to run internal diagnostic tests of the attached drive, indicating whether the test was passed by the returned status INT 13H (0x13) Function 13H (0x13 or 19) Controller drive diagnostic 14H (0x14 or 20) Controller internal

INT 13H (0x13)

Function 13H (0x13 or 19) >> Controller drive diagnostic

Call with:AH = 13H

Returns:If function successful
Carry flag = clear

If function unsuccessful
Carry flag = set
AH = status

Comments:

This function causes the fixed adapter to run internal diagnostic tests of the attached drive, indicating whether the test was passed by the returned status.

INT 13H (0x13)
Function 14H (0x14 or 20) >> Controller internal
diagnostic

Call with:AH = 14H

Returns:If function successful
Carry flag = clear
AH = 00H

If function unsuccessful
Carry flag = set
AH = status

Comments:

This function causes the fixed disk adapter to carry out a built-in diagnostic self-test, indicating whether the test was passed by the returned status.

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