Article View: comp.sys.ibm.pc
Article #41163Re: System boot and INT 19
From: John Birchfield
Date: Wed, 10 Jan 1990 15:41
Date: Wed, 10 Jan 1990 15:41
26 lines
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1397 bytes
In article <357@clover.warwick.ac.uk> bsrdp@warwick.ac.uk (Hylton Boothroyd) writes:
>In article <77@qmsseq.imagen.com> pipkins@qmsseq.UUCP (Jeff Pipkins) writes:
>> The int 19h vector is supposed to do a warm boot.
>
>I wonder how many of those who repeat these recipes have tried them.
>The use of INT 19 is curiously under-documented even in the MSDOS
>interrupt list.
...
>It remains a mystery how to replicate the warm start effect of
>Ctrl-Alt-Del. [And I have worked through several of the likely things
>in SIMTEL.]
The following c program will do it ...
------------------------------------------------------------------------
int (far *reboot) () = (int (far *) ()) 0xffff0000;
main ()
{
(*reboot) ();
}
------------------------------------------------------------------------
+----------------------
| John Birchfield
| jb@altair.csustan.edu
+----------------------
Technical Details
Message-ID:
<1990Jan10.154121.4256@csustan.CSUStan.Edu>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!lll-winken!csustan!newsReferences:
<945@excelan.COM> <77@qmsseq.imagen.com> <357@clover.warwick.ac.uk>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!lll-winken!csustan!news From: jb@altair.uucp (John Birchfield) Newsgroups: comp.sys.ibm.pc Subject: Re: System boot and INT 19 Keywords: system boot Message-ID: <1990Jan10.154121.4256@csustan.CSUStan.Edu> Date: 10 Jan 90 15:41:21 GMT References: <945@excelan.COM> <77@qmsseq.imagen.com> <357@clover.warwick.ac.uk> Reply-To: jb@altair.csustan.edu (John Birchfield) Organization: CSU Stanislaus Lines: 26