Gigabyte GV-N55128DP User manual

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English
Minimum System Requirements
• IBM®or 100% PC compatible with Pentium®III 650MHz or AMD Athlon 650MHz class
processor or higher
• One available AGP 3.0 compliant slot or better
• Operating Systems Win®98/98SE / Win®2000 / Win®ME / Win®XP
• 64MB system memory
• 50MB of available disk space for full installation
• CD-ROM or DVD-ROM drive
12MD-N55128D-103
Table of Contents
1. Introduction ................................................................................................................ 2
1.1. Features ............................................................................................................................ 2
1.2. Board Layout ..................................................................................................................... 2
2. Hardware Installation .................................................................................................. 3
3. Software Installation .................................................................................................... 4
3.1. DirectX Installation ............................................................................................................. 4
3.2. Driver Installation (Windows®XP/2000/ME/98) ................................................................. 4
3.3. V-Tuner Installation ............................................................................................................ 5
4. Appendix ................................................................................................................... 6
4.1. BIOS Flash Utility ............................................................................................................ 6
4.2. How to Reflash BIOS in MS-DOS Mode ......................................................................... 6
4.3. Resolutions and Color Depth Table (In Windows® XP) ....................................................... 6

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English
1.1. Features
• Powered by nVidia GeForce FX 5500 GPU
• Supports the new AGP 8X and latest DirectX 9.0
• Integrated with 128MB DDR memory (only for GV-N55128D/GV-N55128DP)
• Integrated with 256MB DDR memory (only for GV-N55256D)
• Features DVI-I, TV-Out and D-Sub connectors
• Supports Gigabyte "V-TUNER" overclocking application
• Bundles PowerDVD 5.0
1.2. Board Layout
1. GV-N55128D
1. Introduction
TV-Out
VGA Monitor
Connector (15-pin)
DVI-I Connector
TV-Out (S-Video)
VGA Monitor
Connector (15-pin)
DVI-I Connector
NTSC / PAL TV
Projector
Analog Monitor
OR VGA Output
AV Output
Analog LCD Monitor
Digital LCD Monitor
DVI Output
DVI-I to D-Sub Connector
VGA Output
Analog LCD Monitor

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English
Installing your graphics card.
Now that you have prepared your computer, you are ready to install your graphics card.
2. Hardware Installation
1. Locate the
AGP slot. If
necessary, re-
move the metal
cover from this
slot; then align
your graphics
card with the AGP slot, and press it in firmly until
the card is fully seated.
2. Replace the
screw to fasten
the card in place,
and replace the
computer cover.
3. Plug the display cable into your card; then turn on the
computer and monitor.
2. GV-N55128DP/GV-N55256D
TV-Out (S-Video)
VGA Monitor Connector (15-pin)
DVI-I Connector
NTSC / PAL TV
Projector
VGA Output
AV Output
Analog LCD Monitor
Digital LCD Monitor
DVI Output
DVI-I to D-Sub Connector
VGA Output
Analog Monitor
OR
Analog LCD Monitor
DVI-I Connector
TV-Out
VGA Monitor Connector (15-pin)

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English
3.1. DirectX Installation
Install Microsoft DirectX to enable 3D hardware acceleration support for Windows®98/ 98SE /
Windows®2000/ Windows®ME or Windows®XP to achieve better 3D performance.
3. Software Installation
Note: For software MPEG support in Windows®98/ 98SE/ Windows®2000/ Windows®
ME or Windows®XP, you must install DirectX first.
Click "Install DirectX 9" item.
3.2. Driver Installation (Windows®XP/2000/ME/98)
Insert the driver CD disk into your CD-ROM drive, and then the Autorun window appears. If it does not
appear, please run setup.exe in the root directory of the driver CD disk (ex:D:\setup.exe).
Click "Install Display Driver" item.

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3.3. V-Tuner Installation
V-Tuner lets you adjust the working frequency of the graphic engine and video memory (Core
Clock and Memory Clock).
Click "Utilities" item.
Display Memory Clock
Close V-Tuner
Minimize V-Tuner
Display Core Clock
Display & Adjust Core Clock
Link to GIGABYTE website Help Description Close V-Tuner to
System Tray
Display & Adjust
Memory Clock
Click "V-Tuner" item.

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4.1. BIOS Flash Utility
1. Please download the newest BIOS Zip file from GIGABYTE website (www.gigabyte.com.tw).
The file contains a MS-DOS-based BIOS flash utility. Or contact your local dealer for the file.
4.2. How to Reflash BIOS in MS-DOS Mode
1. Extract the downloaded Zip file to your hard disk or floppy disk. This procedure assumes drive A.
2. Restart the computer in MS-DOS mode. (For Windows 2000/XP, you need a startup disk to restart
the computer in MS-DOS mode.)
3. Change the command prompt toA:\>.
4. To back up the current BIOS, at the A:\> prompt, type[BIOS flash utility name]
-s [BIOS file name] (example: gvf11 -s n55128d.e1) and press Enter.
5. To flash BIOS, at the A:\> prompt, type [BIOS flash utility name] -p [BIOS
file name] (example: gvf11 -p n55128d.f1) and press Enter.
6. Wait until it's done, then restart your computer.
4. Appendix
Display Maximum Color Depth (bpp)
Screen Refresh Rate 8bpp (256 color) 16bpp (65K color) 32bpp (16.7M color)
Resolution (Hz) Standard mode High mode True mode
320 x 200 75 333
320 x 240 75 333
400 x 300 75 333
480 x 360 75 333
512 x 384 75 333
640 x 400 75 333
640 x 480 240 333
720 x480 60 333
720 x 576 60 333
800 x 600 240 333
848 x 480 240 333
1024 x 768 240 33X
1088 x 612 240 33X
1152 x 864 200 33X
1280 x 720 170 33X
1280 x 768 170 33X
1280 x 960 170 33X
1280 x 1024 170 33X
1360 x 768 170 33X
1600 x 900 150 33X
1600 x 1024 120 33X
1600 x 1200 120 33X
1920 x 1080 100 33X
1920 x 1200 100 33X
1920 x 1440 85 333
2048 x 1536 85 333
4.3. Resolutions and Color Depth Table (In Windows®XP)