Rebooting (SUMMARY)

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#3230

From: John Clinton Hall
Date: Fri, 30 Nov 1990 15:46

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Thanks to all who responded to my message on how to perform a system warm boot.

In summary, to perform a system warm boot on the IBM, put the word 1234h in
location 0040h:0072h and JMP to location 0FFFFh:0000h.  For example, the
following Debug code performs a warm boot:

	MOV	AX,0040
	MOV	DS,AX
	MOV	AX,1234
	MOV	[0072],AX
	JMP	FFFF:0000

To cold boot the computer, just JMP 0FFFF:0000h.
-- 
The highest sounds are hardest to hear.  ## ## ## ##### ##  jhall@wpi.wpi.edu
Going forward is a way to retreat.       ## ## ## ## ## ##  Worcester
Great talent shows itself late in life.  ## ## ## ##### ##  Polytechnic
Even a perfect program still has bugs.   ######## ##    ##  Institute

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!mintaka!snorkelwacker.mit.edu!bu.edu!xylogics!samsung!crackers!m2c!wpi.WPI.EDU!jhall
From: jhall@wpi.WPI.EDU (John Clinton Hall)
Newsgroups: comp.os.msdos.programmer
Subject: Rebooting (SUMMARY)
Message-ID: <1990Nov30.154658.16398@wpi.WPI.EDU>
Date: 30 Nov 90 15:46:58 GMT
Sender: jhall@wpi.WPI.EDU (John Clinton Hall)
Organization: Worcester Polytechnic Institute
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