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From: | Nate Eldredge <neldredge AT hmc DOT edu> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Rebooting the PC |
Date: | 26 Sep 2000 10:44:34 -0700 |
Organization: | InterWorld Communications |
Lines: | 28 |
Sender: | nate AT mercury DOT st DOT hmc DOT edu |
Message-ID: | <83vgvjavzx.fsf@mercury.st.hmc.edu> |
References: | <Pine DOT LNX DOT 4 DOT 21 DOT 0009261821040 DOT 1365-100000 AT goatbeard DOT grendel DOT net> |
NNTP-Posting-Host: | mercury.st.hmc.edu |
Mime-Version: | 1.0 |
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NNTP-Posting-Date: | Tue, 26 Sep 2000 17:44:35 +0000 (UTC) |
User-Agent: | Gnus/5.0802 (Gnus v5.8.2) Emacs/20.5 |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
Kalum Somaratna aka Grendel <kalum AT lintux DOT cx> writes: > On 26 Sep 2000, Prashant TR decided to enlighten us with, > > > I wrote: > > > > > You can try this one: > > > > > > outportb (0x61, 0xfe); > > > > > > It resets the CPU. > > > > Sorry, there's yet another correction here apart from what Nate has > > said. The port number is 0x64h, not 0x61h. Sorry again. > > Shouldn't protected mode OS's like windoze trap this and prevent a CPU > reset hapenning??? Of course they should. But this would also break all the DOS programs that tweak the hardware at low levels, so they don't. Linux does forbid this manner of tomfoolery (except for root, and even then it takes special measures). -- Nate Eldredge neldredge AT hmc DOT edu
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