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====== Int 21H, AH=2EH ======

===== Version =====

1 and higher

===== Brief =====

 SET VERIFY FLAG

===== Family API =====


===== Input =====

        AH = 2Eh
        DL = 00h (DOS 1.x/2.x only)
        AL = new state of verify flag
            00h off
            01h on

===== Return =====

none

===== Notes =====

default state at system boot is OFF

when ON, all disk writes are verified provided the device driver supports read-after-write verification

===== See also =====

AH=[[en:docs:dos:api:int21:54|54h]]

===== Note =====

Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]]

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