Xref: utzoo comp.binaries.ibm.pc.d:10234 comp.sys.ibm.pc.misc:3246
Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!chaph.usc.edu!aludra.usc.edu!kjh
From: kjh@aludra.usc.edu (Kenneth J. Hendrickson)
Newsgroups: comp.binaries.ibm.pc.d,comp.sys.ibm.pc.misc
Subject: programming ega video hardware
Message-ID: <12901@chaph.usc.edu>
Date: 2 Nov 90 13:49:24 GMT
Sender: news@chaph.usc.edu
Followup-To: comp.os.minix
Organization: EE-Systems, USC, Los Angeles
Lines: 13
Nntp-Posting-Host: aludra.usc.edu

Help.  I need to know how to program the EGA video hardware directly.
I am working on a screen blanker for Minix, and it is running in
protected mode.  I therefore can't use the BIOS.  I can't find the
information in Norton's otherwise excellent book, and my "Programmer's
Guide to PC & PS/2 Video Systems" by R. Wilton has this information
only for CGA and MDA.

I am pretty sure that it should be possible to disable video refresh on
both EGA and VGA, but I can't find the information on how to do it.
(The BIOS does provide a mechanism to do this for VGA, but I can't use
it.)

Ken Hendrickson N8DGN/6      kjh@usc.edu      ...!uunet!usc!pollux!kjh