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                               ReadMe
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Quantum3D Obsidian(R)2 Multi-subchannel Series
Release 5.5M for Windows NT 4.0
Built 07-Aug-2000

Copyright(C)1998-1999  Quantum3D, Inc.  All Rights Reserved.

=====================================================================
Quantum3D, Inc.
6810 Santa Teresa Blvd.
San Jose, California  95119-1205
Voice: +1 (408) 361-9998   Fax: +1 (408) 361-9980
Web Site: http://www.quantum3d.com
Technical Support: support@quantum3d.com
=====================================================================

This release includes drivers and utilities for the Obsidian2 Hg and
90D models of the Professional Series of graphics accelerators for
use in Quantum3D Heavy Metal Mercury systems.

CONTENTS
========
   I.  Minimum System Requirements
  II.  Base Drivers Features Notes
 III.  Installation Procedures
  IV.  Obsidian2 Hg and 90D Models
       A. Windows NT 4.0
   V.  Testing the Obsidian2
  VI.  Software Utilities
 VII.  Removing the Obsidian2 Drivers


I. Minimum System Requirements
==============================
- PCI 2.1 compliant system
- Pentium(R) class or faster processor
- 16MB of system memory
- Available PCI expansion slot(s) (ATX form factor recommended)
- Windows NT 4.0 Service Pack 3 (or later)
- Windows desktop (VGA) display adapter
- VGA compatible monitor


II. Base Driver Features Notes
==============================
- The Obsidian2 90D models can operate at these video timings:
        Resolution   Refresh Rate
        512 x 384    72,75,85,120 Hz
        640 x 400    70,75,85,120 Hz
        640 x 480    60,75,85,120 Hz
        800 x 600    60,75,85,120 Hz
        960 x 720    60,75,85 Hz
        1024 x 768   60,75,85 Hz
        1024 x 1024  60 Hz

- The Obsidian2 Hg models can operate at these video timings:
        Resolution   Refresh Rate
        512 x 384    72,75,85 Hz
        640 x 400    70,75,85 Hz
        640 x 480    60,75,85 Hz
        800 x 600    60,75,85 Hz
        960 x 720    60,75,85 Hz
        1024 x 768   60,75,85 Hz
        1024 x 1024  60 Hz


III. Installation Procedures
============================
NOTE: A minimum system requirement for the Obsidian2 with Windows NT
4.0 is Service Pack 3.  If you have not upgraded your Windows NT 4.0
operating system to Service Pack 3, you must do so before installing
the Obsidian2 accelerator.


IV. OBSIDIAN2 Hg Models and 90D Models
======================================
 A. Windows NT 4.0
 -----------------
 Follow the procedure below to install the drivers and utilities for
 the Obsidian2 Hg models and 90D models.
 1. Start Windows NT.
 2. Log onto the computer with an account that has local Administrator
    privileges (this is required for updating the system registry).
 3. From the START menu, select Programs and then Windows NT Explorer.
 4. Click on drive with the extracted files in the All Folders panel.
 5. Double click on the directory with the extracted files in the
    Contents panel.
 6. Right mouse click on OBSIDIAN.INF in the Contents panel and
    select Install.  Windows NT will copy the Obsidian2 device
    drivers to your hard drive.
 7. You will then be prompted to restart the computer.
    Click on the Yes button.

 Note
 ----
 You may decrease the chance of operation issues by verifying that
 you have the latest system BIOS for your motherboard from the
 motherboard manufacturer.


V. Testing the Obsidian2
========================
To verify that your Obsidian2 is operating properly, launch the
Glide Test applets from the Obsidian2 tab in the Display Properties.
 1. From the Start menu select Settings and then Control Panel.
 2. Double click on the Display icon. The Display Properties will
    appear. Click on the Obsidian2 tab.
 3. In the Glide section of the Obsidian2 tab, click on the Test
    button.  The Glide test applet should appear on the screen at
    the default settings.

    NOTE: Direct3D is not supported under Windows NT 4.0

If the Glide applet does not appear on the screen, refer to
Section 3: General Troubleshooting of the Obsidian2 Installation
Guide, the Online Help or the Frequently Asked Questions
section of the Driver Release Notes for additional assistance.


VI. Software Utilities
======================
During the Obsidian2 driver installation, a number of diagnostic
utilities are installed under the following folder:

    C:\Program Files\Q3D\Obsidian.2P\WinNT

This section describes the software utilities for the Obsidian2.

GDETECT.EXE
This utility runs from Windows and lists the PCI and AGP devices in
the computer and what memory resources are used by each device.

GMOJO.EXE
This utility runs from Windows and displays the Obsidian2 accelerator
information such as virtual base address, Vendor ID, chip
revisions and more. In this information the Pixelfx2 and Texelfx2
chips are referred to as the FBI (Frame Buffer Interface) and
TMU (Texture Mapping Unit) respectively.

The following is a list of utilities that are designed to be run from
the Command Prompt:

DETECT.EXE
MOJO.EXE
GWHAT.EXE
PASS.EXE
PCIRW.EXE
Q3DINFUT.EXE
Q3DMTRR.EXE
Q3DTST02.EXE


VII. Removing the Obsidian2 Drivers
===================================
 1. From the Start menu, select Settings, then Control Panel.
 2. Double-click on Add/Remove Programs, select the Install/Uninstall
    tab.
 3. Scroll through the list and select the Quantum3D Obsidian2
    entry.
 4. Click on the Add/Remove button.
 5. Shutdown the computer.  Remove the Obsidian2 accelerator from the
    computer.
 6. When Windows is restarted, the last portion of the removal is
    done automatically.
