Gigabyte GV-NX78T256V-B User manual

Aug. 1, 2005
VGA Card
GV-NX78T256V-B

VGA Card
Aug. 1, 2005
GV-NX78T256V-B

Sep. 28, 2005
VGA Card
GV-NX78T256D

VGA Card
Sep. 28, 2005
GV-NX78T256D

Copyright
© 2005 GIGABYTE TECHNOLOGY CO., LTD
Copyright by GIGA-BYTE TECHNOLOGY CO., LTD. ("GBT"). No part of this manual may be reproduced or transmitted in
any form without the expressed, written permission of GBT.
Trademarks
Third-party brands and names are the property of their respective owners.
Notice
Please do not remove any labels on VGA card, this may void the warranty of this VGA card.
Due to rapid change in technology, some of the specifications might be out of date before publication of this booklet.
The author assumes no responsibility for any errors or omissions that may appear in this document nor does the author make
a commitment to update the information contained herein.
GV-NX78T256V-B /
GV-NX78T256D-ZK
GeForce™7800 GT Graphics Accelerator
User's Manual
Rev. 102
12MD-X78T2VB-102R
* The WEEE marking on the product indicates this product must not be disposed of with user's other household waste
and must be handed over to a designated collection point for the recycling of waste electrical and electronic equipment!!
* The WEEE marking applies only in European Union's member states.

GV-NX78T Series Graphics Accelerator - 2 -
English
Table of Contents
1. Introduction ......................................................................................... 3
1.1. Features ..................................................................................................... 3
1.2. Minimum system requirement ....................................................................... 3
2. Hardware Installation ........................................................................... 4
2.1. Board Layout .............................................................................................. 4
2.2. Hardware installation ................................................................................... 7
3. Software Installation .......................................................................... 10
3.1. Windows®XP driver and utilities installation ................................................ 10
3.1.1. Operating system requirement ................................................................................... 10
3.1.2. DirectX installation ........................................................................................................ 10
3.1.3. Driver installation .......................................................................................................... 12
3.1.4. Utilities on driver CD .................................................................................................... 14
3.1.5. Taskbar icon ................................................................................................................. 16
3.1.6. Display properties pages ............................................................................................. 19
3.1.7. nView properties pages ............................................................................................... 23
3.2. Windows®2000 driver installation .............................................................. 29
4. Troubleshooting Tips ........................................................................ 30
5. Appendix .......................................................................................... 31
5.1. How to Reflash the BIOS ........................................................................... 31
5.1.1. Reflash BIOS in MS-DOS mode ................................................................................. 31
5.2. Resolutions and Color Depth Table (In Windows®XP) ............................... 32

Introduction- 3 -
English
1. Introduction
1.1. Features
•Powered by NVIDIA®GeForce™7800 GT Graphics Processing Unit (GPU)
•Supports the newest PCI Express x 16
•Integrated with 256MB DDR III memory
•Supports DirectX 9.0c
•Supports NVIDIA® SLITM (Scalable Link Interface) technology (note)
•Supports video capture for video editing (VIVO)
(For GV-NX78T256V-B only)
•Supports AV / S-Video and HDTV output
•Supports D-Sub (by adapter) and DVI-I connector
1.2. Minimum system requirement
•IBM®or 100% PC compatible with Pentium®III 650MHz or AMD Athlon 650MHz
class processor or higher
•One PCI Express x 16 slot
•Operating Systems Windows®2000 / Windows®XP
•64MB system memory
•50MB of available disk space for full installation
•CD-ROM or DVD-ROM drive
•Minimum power supply 350W
(Note) SLI technology requires a PCI Express motherboard with two x16 physical connectors.
Graphics cards working in an SLI configuration must be with the same model name
(i.e. GV-NX78T256V-B) and from the same vendor (i.e. GIGABYTE TECHNOLOGY).

GV-NX78T Series Graphics Accelerator - 4 -
English
2. Hardware Installation
2.1. Board Layout
1) GV-NX78T256V-B
VIVO
DVI-I
Connector 2
DVI-I
Connector 1
Analog LCD Monitor
Digital LCD Monitor
DVI Output
VGA Output
DVI-I to D-Sub Adapter
NTSC / PAL TV
Projector
Y
S-Video Output
Pb/AV Output
HDTV
Pr
VIVO
DVI-I Connector 2
DVI-I Connector 1
SLI connector

Hardware Installation- 5 -
English
2) GV-NX78T256D-ZK
TV-out
DVI-I
Connector 2
DVI-I
Connector 1
Analog LCD Monitor
Digital LCD Monitor
DVI Output
VGA Output
DVI-I to D-Sub Adapter
NTSC / PAL TV
Projector
Y
S-Video Output
Pb/AV Output
HDTV
Pr
TV-out
DVI-I Connector 2
DVI-I Connector 1
SLI connector

GV-NX78T Series Graphics Accelerator - 6 -
English
Expansion cards contain very delicate Integrated Circuit (IC) chips. To
protect them against damage from static electricity, you should follow
some precautions whenever you work on your computer.
1. Turn off your computer and unplug power supply.
2. Use a grounded wrist strap before handling computer components. If you do not
have one, touch both of your hands to a safely grounded object or to a metal object,
such as the power supply case.
3. Place components on a grounded antistatic pad or on the bag that came with the
components whenever the components are separated from the system.
The card contains sensitive electric components, which can be easily damaged by
static electricity, so the card should be left in its original packing until it is installed.
Unpacking and installation should be done on a grounded anti-static mat. The operator
should be wearing an anti-static wristband, grounded at the same point as the anti-
static mat.
Inspect the card carton for obvious damage. Shipping and handling may cause damage
to your card. Be sure there are no shipping and handling damages on the card before
proceeding.
DO NOT APPLY POWER TO YOUR SYSTEM IF IT HAS BEEN DAMAGED ON
THE CARD.
In order to ensure your graphics card working correctly, please use official
Gigabyte BIOS only. Use none official Gigabyte BIOS might cause problem
on the graphics card.