From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike McCarty Subject: Re: EMM386 not installed - protected mode software already running. Date: Wed, 20 Oct 2010 13:22:55 -0500 Message-ID: <4CBF337F.60507@sbcglobal.net> References: <4CBDA1E2.3010507@comcast.net> <4CBDBF81.8010601@sbcglobal.net> <4CBDCD49.8070905@comcast.net> <38105.3204.qm@web110814.mail.gq1.yahoo.com> <4CBE559F.8090400@comcast.net> <234830.53737.qm@web110811.mail.gq1.yahoo.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sbcglobal.net; s=s1024; t=1287598982; bh=eoFmHZnaocrTKjPD5kaq1/EH/TJA8An8WR0aokBUaHo=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:Date:From:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=t3EDrqD27sqlGea3bgzRqjscy8uD9TlLyz5TsiJu1IJY5373slTtdGp/8CTZ77FF+4Iy8Y618Faa/RufetFDwPsiKmRfe8gaJDMZnHLmxOMeM4MeIkgTHb9CmXF83gyOUc3qoqxLgDh9hE4YIgCwxoD3dKveGJ2sprV9pN2gIhs= In-Reply-To: <234830.53737.qm@web110811.mail.gq1.yahoo.com> Sender: linux-msdos-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: FreeDOS Bryan J Smith wrote: > If it's PharLap286, I want to almost say -- for certain -- it's first-gen, Ring > 0 gobbling VCPI. > > Again, an additional test is to try it on 32-bit NT (4-6) and its NTVDM. If it > doesn't work (try several), then it's not DPMI compatible and taking issue with [...] > I also mentioned DOSBox. DOSBox can actually emulate Ring 0, including for some > VCPI programs. According to the status page, it seems to be limited to Origin [...] > doesn't require DOS itself. DOSEmu is more like a virtualized DPMI environment, > and then you run DOS under it -- like NTVDM in NT/Windows, although Microsoft [...] > P.S. For several years Concurrent (among others) was marketing itself as a > networked/remote terminal, multiuser DOS solution. Understand these solutions > are based on DR-DOS and DPMI-based DPMS, and will also be incompatible with VCPI > if those services load. Only Real86 DOS without anything using DPMI or an > emulated DOS under another OS, with Ring 0 available (emulated) will work, for > most of those early extenders. Another possibility is to run something like QEMU or BOCHS. I've had good success with QEMU and the kernel extension. It runs at nearly native speed for most functions. One would have to have a legal version of MSDOS, or possibly FreeDOS would work. Mike -- p="p=%c%s%c;main(){printf(p,34,p,34);}";main(){printf(p,34,p,34);} Oppose globalization and One World Governments like the UN. This message made from 100% recycled bits. You have found the bank of Larn. I speak only for myself, and I am unanimous in that!