Digest Articles Re: Digest poqetpc.v003.n054 by Mark M Ulrich From: Mark M Ulrich Subject: Re: Digest poqetpc.v003.n054 Date: Sat, 13 Mar 1999 22:33:58 -0500 MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit i agree On Sat, 13 Mar 1999 19:10:05 -0800 (PST) poqetpc-errors@xxxxxxxx writes: > >-------------- BEGIN poqetpc.v003.n054 -------------- > > 001 - Bryan Mason Compatibility > >* This is a Poqet PC Mailing List digest. Information on >* replying to messages in this digest can be found at the >* end of the digest. > > >--------------- MESSAGE poqetpc.v003.n054.1 --------------- > >From: Bryan Mason >Subject: Re: New user / Software Compatibility >Date: Fri, 12 Mar 1999 19:00:12 -0800 >MIME-Version: 1.0 >Content-Type: text/plain; charset="us-ascii" >In-Reply-To: <199903100046.QAA05968@xxxxxxxx> > >If I remember correctly, older versions of PKWare products used the >"string" assembly instructions of the 8086/88 to move data around. >The >8086/88 had a problem where if an NMI occurred while these >instructions >were being executed, unexpected results could occur and the machine >could >lock up. > >That wasn't a problem on most IBM-PC/XT's and compatibles, because the >NMI >was used really only to signify parity errors. If you got a parity >error, >the system would halt, so it wasn't a problem that the system would >lock up >if you were doing a string instruction and an NMI occurred because of >a >parity error. > >The problem was that the Poqet PC used NMIs extensively for its power >management routines. So the chances were pretty high that you would >get an >NMI during an execution of a string instruction in PKZip, PKUnzip, or >PKLite. > >I know that Poqet asked PKWare to change their code, and they stopped >using >the string instructions in PKLite -- I guess they also made the change >in >PKZip/PKUnzip as well. > >-- Bryan > >At 04:46 PM 3/9/99, Scott Kinder wrote: >>PKUNZIP.EXE version 2.04g works perfectly on the Poqet! >>I was using version 2.01 (don't know how I ended up with that >>version!). This is one of the most popular compression/ >>decompression (pkzip/pkunzip) utilities around. >> >>It can be found at http://www.pkware.com/ >> >>Thanks to Bill and Alain for setting me straight! >> >>Regards, >>Scott >> > > > >--------------- END poqetpc.v003.n054 --------------- > > >* POQET PC LIST SUBSCRIBERS: When replying to digest messages, >* please change the subject of your reply to something useful >* (instead of "Digest poqetpc.v001.n067"), and edit the contents >* of the message, quoting text where appropriate. >* >* Also, make sure that the "To:" field in your reply is set cor- >* rectly. Some mail readers may automatically send your reply to >* , so if you want to reply to >* sender of the message or to the entire maililng list, you may >* have to adjust the "To:" field of your reply. >* >* To unsubscribe from the mailing list, send a message with the >* word "unsubscribe" to . If you >* have any questions, please feel free to send a message to the >* list owner at . > > ---------------------Mark Morgan Ulrich------------------------- Webmaster, The Windows CE for Student's Place : http://cestudent.tsx.org Webmaster, The Official CoRTY Homepage : http://corty.tsx.org marku@xxxxxxxx (regular e-mail) swimmy@fnol.net (files) -------------------------------------------------------------------