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dhavalshah

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Warm/Cold Reset

Depending upon the type of reset (Warm/Cold), the OS writes perticular code at a fixed address. I am not getting information about that address. I need to know (once PC is up), was it a warm reset or a cold reset?  How to siove this issue? Note that i am working on DOS os.

Dhaval

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The 40h:72h variable is to set what action BIOS should take when CTRL+ALT+DEL is used. It will not contain an information about how PC was boot.
With this variable we can tell BIOS what to do if CTRL+ALT+DEL is pressed.
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Member_2_1239314

INT 19h can be used to warm boot the system.
U can create dummy.com using debug.exe / debug.com and key in the bytes CD and 19
Then save your file