Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!unido!opal!tmpmbx!geminix!robot!karl
From: karl@robot.in-berlin.de (Karl-P. Huestegge)
Newsgroups: comp.unix.xenix.sco
Subject: Re: Shadow RAM for BIOS
Keywords: performance improvements 386 Xenix 2.3
Message-ID: <1990Nov5.210851.3278@robot.in-berlin.de>
Date: 5 Nov 90 21:08:51 GMT
References: <107963@convex.convex.com> <1990Nov1.093716.28337@bbt.se> <129@raysnec.UUCP>
Organization: K.-P. Huestegge, Sytemanalyse und Beratung, Berlin
Lines: 16

shwake@raysnec.UUCP (Ray Shwake) writes:

>	Don't know if this is universally the case. I'm running Xenix/386
>on an NEC 386/20 (C/T chipset, Phoenix BIOS) which reserves 384k. Neither
>Xenix nor ISC UNIX (which I also run on this box) access this memory, as
>verified at boot time. Of course, if someone *does* know a way to access
>this memory, please advise!

Sorry, there is no way to access the 384k. The 386 C&T chipset doesn't
support this. 

You only have an advantage under DOS with the shadow ram.

-- 
Karl-Peter Huestegge                       karl@robot.in-berlin.de
Berlin Friedenau                           ..fub!utopia!robot!karl