Re: Warm boot? (All suggestions so far have been dangerous!)

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#651

From: Roelof van Suilichem
Date: Fri, 10 Apr 1992 11:21

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In article <1992Mar30.171014.3133@exu.ericsson.se> exuhag@exu.ericsson.se (James Hague) writes:

>Raymond Chen writes:
>>
>>Many people (including me, even) suggest the standard "jmp FFFF:0000"
>>method.
>>
>>But this is extremely dangerous if the user is running disk cacheing
>>software, since it bypasses *everything*!  Caches don't get flushed,
>>and you run the risk of trashing your hard drive!

>Does anyone know which method 4DOS uses for its REBOOT command?
>--
>James Hague   
>exuhag@exu.ericsson.se

As far as I know, they just precede the jmp with a 1 second delay so that
the cache can flush.  This is still dangerous.

Roelof

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References: <1992Mar14.053133.1560@wpi.WPI.EDU> <1992Mar27.181824.20534@Princeton.EDU> <1992Mar30.171014.3133@exu.ericsson.se>

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Path: arc1-ca.pugleaf.net!sparky!uunet!psgrain!quagga!ee.und.ac.za!olsa99!unisup1!parst1!parst1.UUCP!roelof
From: roelof@parst1.UUCP (Roelof van Suilichem)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Warm boot?  (All suggestions so far have been dangerous!)
Message-ID: <roelof.8@parst1.UUCP>
Date: 10 Apr 92 11:21:26 GMT
References: <1992Mar14.053133.1560@wpi.WPI.EDU> <1992Mar27.181824.20534@Princeton.EDU> <1992Mar30.171014.3133@exu.ericsson.se>
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Organization: Paradigm Systems Technology
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