Hola Balog!
 BP>                               Hi, Rafa Velilla!
 JN>> asm jmp 0FFFFh
 RV>> I have used INT 19h (I think it jumps to that direction so it has
 RV>> the same behaviour).
 BP> int 19h is a big No-No to reboot the computer. It doesn't do all the
 BP> work, and as most important, it doesn't restore the interrupt vector
 BP> table. If you installed any tsr's you probably end up in a lockup or
 BP> even worse things could happen.
   It doesn't matter,I needed  it because a friend wanted to have a program 
to avoid pressing Crl-Supr-Alt and I think that Int 19h is the same, isn't 
t?
   Anyway, I'll jump to 0ffffh if you all say that it works better.
 BP> To reboot one must jump to ffff:0 as a plenty of people wrote before
 BP> (and handle the warm-boot flag too) or to make a physical reset, you
 BP> out value 0xfe to port 0x64.  Both cases may cause data loss due to
 BP> not flushed cache or similar.
   Well, I knew it so I told it to my friend
   Thanks for your help, I'm reading all the codes I have received and I'm 
trying to understand it all.
Un saludo
     Rafa
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