README.SET                 MATROX ELECTRONIC SYSTEMS              May 4, 1994


                         The MGA Setup and Utilities
                                 Revision 1.41

Floppy contents:

   README.SET     this file
   INSTALL.EXE    install program
   FILES1.ZIP     product files

Product files:

   SETUP.EXE      setup program, v 1.41
   MGAVESA.COM    VESA SVGA/DPMS driver, v 2.0
   MGA*.MON       monitor files
   DOS4GW.EXE     dos extender for SETUP
   RAMBIOS.SYS    RAM BIOS

Product description:

   This product is a collection of programs, which are installed in the
   C:\MGA\SETUP sub-directory.

Setup program:

   We strongly recommend that you run this program, as it will let
   you "optimize" your board/monitor configuration.

   SETUP uses the file MGA.MON as input, and saves your monitor choice in a 
   file called MGA.INF.

Monitor file:

   Two monitor files are included:
   
   - MGA1.MON for boards based on the MGA Rev 1 chip 
     (Impression, PRO, Ultima AT and MCA boards)

   - MGA2.MON for boards based on the MGA Rev 2 chip
     (PCI/2, PCI/2+, VLB/2, VLB/2+)

   Generic monitor support is provided and should cover most monitors. Some
   specific monitors are also included for NEC (3FG, 5FG, 3D), Super VGA (max.
   35 KHz Horizontal), and 8514 monitors. Other monitors will be added as 
   necessary.

   The SETUP program works with the MGA.MON file. The Installation program 
   detects which type of chip you have, and automatically copies the proper
   monitor file into MGA.MON.

VESA driver:

   The MGAVESA driver supports VESA Super VGA Extensions version 1.2 and VESA
   Display Power Management Signaling (DPMS) version 1.0.

   The installation program for the Setup and Utilities can add the MGAVESA
   driver to your AUTOEXEC.BAT file automatically.

   a) SVGA:

   The SVGA supported modes are:

   Mode   Resolution  Colors

   100h   640 X 400   256 colors
   101h   640 X 480   256 colors
   102h   800 X 600    16 colors
   103h   800 X 600   256 colors
   104h  1024 X 768    16 colors (interlaced)
   105h  1024 X 768   256 colors (interlaced)

   The SVGA modes use MGA's on-board VGA and cannot be used if the VGA is 
   disabled.

   b) DPMS

   The MGAVESA driver must be loaded in order to use DPMS under DOS.

   The DPMS supported modes are:

   - SUSPEND
   - OFF

   The STANDBY mode is not supported by the MGA hardware.

   Under Windows, the MGA drivers take care of DPMS without MGAVESA. A DPMS
   screen-saver is also provided. See the Windows driver readme file for
   more details.

RAMBIOS.SYS:

   The RAMBIOS.SYS program puts the MGA's VGA BIOS in shadow RAM. For all
   MGA boards, shadowing the BIOS is recommended in single-screen operation. 
   For MGA boards based on the MGA-I chip, i.e. all AT and MCA models, as
   well as Impression VL, shadowing the BIOS is MANDATORY.

   Since RAMBIOS takes up 32K bytes of memory, it may be desirable to load it 
   "high" using a memory manager.

   There are two alternatives to using RAMBIOS.SYS. The first method uses your
   computer system's ability to shadow a VGA BIOS. If your system supports 
   this capability, it is usually accomplished through the system's 
   configuration program. There are certain instances where this method may 
   not work. The second method is to use a memory manager to shadow the BIOS.

   If MGA is run in a dual-screen mode, the MGA's on-board VGA is disabled and 
   it is useless to shadow the MGA's BIOS.


 
