From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tommy McCabe Subject: Re: R: [Fwd: Re: EDE - Personal Suggestions and Ideas] Date: Thu, 27 May 2004 14:02:15 -0700 (PDT) Sender: linux-8086-owner@vger.kernel.org Message-ID: <20040527210215.92128.qmail@web51301.mail.yahoo.com> References: Mime-Version: 1.0 Return-path: In-Reply-To: List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-8086@vger.kernel.org --- BODRATO Stefano wrote: > >What I'm suggesting is a compromise that will allow > us to keep the > >16-bit pointers and clean design of the existing > system, and also allow > >us to quickly access another 64kB of memory that's > outside the process' > >own address space. > > > >Yes, the same effect could be performed using > temporary files. But > >temporary files are *really slow*. In order to copy > data out of a > >temporary file, you have to actually wait for the > disk to move. Copying > >out of ES can be done in about four instructions. > > What about the EMS memory banks ? > > I know there are several standards, but as already > proposed, would it be possible to recycle the > original DOS drivers ? > They could be loaded at bootstrap and linked by > ELKS-style drivers; I'm thinking at network packet > drivers, EMS managers, mass memory such as Hard > drives on FLASH card and old non standard floppy and > HD. Most 8086-type computer don't have extended memory. Extended memory was only realy developed after protected mode made it unnecessary. > To unsubscribe from this list: send the line > "unsubscribe linux-8086" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/