Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.unix.sysv386
Subject: Re: Is >16MB possible on ISA box (ISC 2.2.1)?
Message-ID: <1991May11.131528.17370@virtech.uucp>
Date: 11 May 91 13:15:28 GMT
References: <1991May9.183908.9194@aai.com>
Organization: Virtual Technologies Inc.
Lines: 14

leo@aai.com writes:

>The EISA support update says it's ONLY for EISA bus computers.  The kconfig
>options only mention 4M, 8M, and 16M.  Will ISC use any memory over 16M on
>an ISA machine, or is it ignored?  Is there some other update that
>addresses this?  Will the EISA update work on an ISA machine?

No.  The problem is that DMA will not work from a device on the ISA bus
to memory above 16MB.

-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170