Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!uunet!mcsun!hp4nl!star.cs.vu.nl!leendert@cs.vu.nl From: leendert@cs.vu.nl (Leendert van Doorn) Newsgroups: comp.dcom.lans Subject: WD8013: how to use off-board memory Keywords: wd8013 Message-ID: <10242@star.cs.vu.nl> Date: 18 Jun 91 14:05:12 GMT Sender: news@cs.vu.nl Organization: Fac. Wiskunde & Informatica, Vrije Universiteit, Amsterdam Lines: 24 With my Western Digital EtherCard PLUS16 came a little booklet, and on page three it said: # The EtherCard PLUS16 adapter uses 128 Kbyte of memory space when # operating in an OS/2* or UNIX* environment. The adapter will operate # at any memory base address supported by the PC and not already used # by system memory. I would like to know how they configure the adapter to use 128 Kbyte of system memory instead of the 16 Kbyte on board memory. The driver I wrote uses the on board memory. I've tried to play a little with the base memory settings (MSR register), but somehow I couldn't get it to work. Does anyone out there know how to set it up so that it works with system memory ? How do they use 128 Kbyte ? The page register is only wide enough for 256 pages, and a page is 256 bytes (256 *256 = 65536 ~ 64 Kbyte). Leendert -- Leendert van Doorn Vrije Universiteit / Dept. of Maths. & Comp. Sc. +31 20 5485301 Amoeba project / De Boelelaan 1081A 1081 HV Amsterdam / The Netherlands