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From: ljz@fxgrp.UUCP (Lloyd Zusman )
Newsgroups: comp.sys.ibm.pc
Subject: Re: how do i do a pc warm boot from sof
Message-ID: <102@fxgrp.UUCP>
Date: Thu, 8-Oct-87 23:42:32 EDT
Article-I.D.: fxgrp.102
Posted: Thu Oct  8 23:42:32 1987
Date-Received: Sun, 11-Oct-87 12:13:18 EDT
References: <296@stcvax.UUCP> <15000030@silver> <331@picuxa.UUCP>
Reply-To: ljz@fxgrp.UUCP (Lloyd Zusman (408) 395-5693)
Organization: FX Development Group, Inc., Mountain View, CA
Lines: 23
Summary: How to do a warm boot ...

In article <331@picuxa.UUCP> gp@picuxa.UUCP (Greg Pasquariello X1190) writes:
>In article <15000030@silver>, creps@silver.bacs.indiana.edu writes:
>> 
>>    Try issuing interrupt 19H from an assembly routine. This is listed
>> as the ROM-BIOS service interrupt to reboot.
>
>
>
>I have a peice of software that does this, but it seems to hang on my
>AT&T 6300 if any TSR programs are installed.


INT 19 isn't reliable.  But the following IS on all clones I've tested
(including the AT&T's):

Write an assembly language routine that does a long jump to location

	F000:FFF0

It will reboot your system.

Lloyd Zusman

...!ames!fxgrp!ljz