Date: Wed, 27 Sep 2000 19:45:44 +0600 (LKT) From: Kalum Somaratna aka Grendel X-Sender: kalum AT goatbeard DOT grendel DOT net To: Nate Eldredge cc: djgpp AT delorie DOT com Subject: Re: Rebooting the PC In-Reply-To: <83vgvjavzx.fsf@mercury.st.hmc.edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On 26 Sep 2000, Nate Eldredge decided to enlighten us with, > Kalum Somaratna aka Grendel writes: > > 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. BTW assuming that there is a disk cache with write caching enabled running, would it intercept such a port write and then allow it after it flushes its write buffer? If the above doesn't happen then it would be very dangerous indeed to use it..as you might find a bad fat and lots of other problems after the reboot... > Linux does forbid this manner of tomfoolery (except for root, and even > then it takes special measures). Thats why we all love Linux..... it is 100% secure, you can visit any site, and read any mail with confidence that there is no such thing as a virus as far as linux is concerned :) Best Wishes, Grendel -- .---------------------.---------------------.----{)--. | /"__ ._ _ _ _| _ |`-.grendel AT lintux DOT cx.-'(]__/|| | | \__/ | (-'| |(_|(-'l_ `-===============-' [_] .-: | `--------------------------------------------/|\/| |-'