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-NX66T128D) and from the same vendor (i.e. GIGABYTE TECHNOLOGY). - 3 -...
2. Hardware Installation 2.1. Board Layout 1. GV-NX66T128D SLI connector TV-out DVI-I Connector VGA Monitor Connector (15-pin) DVI Output Digital LCD Monitor HDTV Pb/AV Output NTSC / PAL TV TV-Out Adapter DVI-I to D-Sub S-Video Output Projector DVI-I Connector VGA Output...
Page 5
2. GV-NX66T256D SLI connector TV-out DVI-I Connector DVI-I Connector HDTV Pb/AV Output TV-Out NTSC / PAL TV S-Video Output Projector DVI-I Connector DVI-I Connector Analog LCD Monitor VGA Output DVI-I to D-Sub Adapter DVI Output Digital LCD Monitor - 5 - Hardware Installation...
Page 6
3. GV-NX66T128VP/GV-NX66T128VP-E SLI Connector VIVO DVI-I Connector VGA Monitor Connector (15-pin) DVI Output Digital LCD Monitor Composite Input S-Video Input HDTV Pb/AV Output NTSC / PAL TV VIVO Adapter DVI-I to D-Sub S-Video Output Projector DVI-I Connector VGA Output VGA Monitor Connector Analog LCD Monitor (15-pin)
Page 7
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. - 7 -...
2.2. Hardware installation Installing Your graphics card. Now that you have prepared your computer, you are ready to install your graphics accelerator card. To install your graphics accelerator card: 1. Power off the computer and monitor, then disconnect the display cable from the back of your computer.
Page 9
4. Locate the PCI Express x 16 slot. If necessary, remove the metal cover from this slot; then align your graphics card with the PCI Express x 16 slot, and press it in firmly until the card is fully seated. Warning! When installing the graphics card, do not push down the heat pipe.
Page 10
SLI bridge connector Two SLI-ready graphics (provided by motherboard cards of the same type. manufacturer) (Example: GV-NX66T128D) For more information about the hardware configuration of an SLI system, please refer to motherboard user manual. GV-NX66T Series Graphics Accelerator - 10 -...
3. Software Installation In this manual, we assume that your CD-ROM Drive to be Drive D: The installation of Win 2000 / Win XP drivers is very simple. When you insert the driver CD ® ® into your CD-ROM drive, you can see the AUTORUN window (if it does not show up, run "D:\setup.exe").
3.1.2. DirectX installation Install Microsoft DirectX to enable 3D hardware acceleration support for Windows 2000 or ® Windows XP to achieve better 3D performance. ® Note: For software MPEG support in Windows 2000 or Windows XP, you must ® ® install DirectX first.
Page 13
Installing the components. Step 4. Click "Finish" to restart computer. Then the DirectX 9 installation is completed. - 13 - Software Installation...
3.1.3. Driver installation A. New hardware found After the graphics card is inserted into your computer at the first time, the windows will automatically detect a new hardware in the system and pop out a "New Hardware Found" message. The following is the step-by-step installation guide. Step 1: Found new hardware wizard: Video controller (VGA Compatible) Click the "Next"...
Page 15
B. Driver installation (Autorun Window) Insert the driver CD disk into your CD-ROM, and then you can see the AUTORUN window. If it does not show up, please run "D:\setup.exe". Step 1. When autorun window show up, click Install Display Driver item. Click the "Install Display Driver"...
Insert the driver CD disk into your CD-ROM, and then you can see the AUTORUN window. If it does not show up, please run "D:\setup.exe". • Install V-Tuner 2: Step 2.Click the "GIGABYTE Utility" item. Step 1.Click the "Utilities" item. Step 4. Enter your name and company. Step 3. Click the "Next" button.
Page 17
V-Tuner 2 V-Tuner 2 lets you adjust the working frequency of the graphic engine and video memory (Core Clock and Memory Clock). Displays core clock status Displays memory clock status A d j u s t c o r e Adjust memory speed speed...
3.1.5. Taskbar icon After installation of the display drivers, you will find a GBT icon on the taskbar's status area. Right-click this icon to open the GBT control panel, showing a menu composed of shortcut of the graphics card's enhanced and other functions. You may click the "Display Properties"...
Page 19
VGA Information VGA Info lists the relevant information about your card. Color Adjust Color Adjust allows you to make color adjustments, such as brightness, contrast and gamma values for each or all of RGB colors. - 19 - Software Installation...
Page 20
After installation of the display drivers, you will find a NVIDIA icon on the taskbar's status area. Click this icon to open the control panel. Right click the icon. You can adjust the properties of the graphics accelerator from here. GV-NX66T Series Graphics Accelerator - 20 -...
3.1.6. Display properties pages To access Display Properties pages, right-click the GBT icon on the taskbar and select Display Properties or right-click on Desktop and then select Properties. The Display Properties dialog box shows the information of display adapter, color, the range of display area, and the refresh rate.
Page 22
TV format. To do this, click "Device Setting" followed by "Select TV format". Select the format for your television and then click "Apply" followed by "OK". Display Model GV-NX66T128D/256D GV-NX66T128VP/VP-E Matrix CRT+TV CRT+DVI DVI+TV "*" This feature will not be available when SLI multi-GPU is enabled.
Page 23
Color Correction properties The Color Correction Properties is used to compensate for variations in luminance between a source image and its output on a display device. Adjust the color correction settings to provide more accurate color reproduction of images (such as photographs) on your display device.
Page 24
NV Rotate properties The NV Rotate Properties is used to rotate the screen. If your monitor is capable of operating in either Landscape or Portrait mode, you can adjust the screen by this properties. • Landscape (0 degree rotation) • Portrait (90 degree rotation) •...
Menu Editing properties The Menu Editing Properties can remove infrequently used screens by dragging them from the screen menu to the list below. Restore screens to the menu by dragging them individually, or click Restore Defaults. To begin, select the Enable menu editing check box. To return to normal navigation mode, do not select the check box.
Page 26
Method A: Method B: Click the item to start nView Properties. Double-click Desktop Management to see more nView properties. nView Desktop Management properties This tab contains information about the nView Desktop Manager. The setup wizard can also be accessed from this tab. nView Profiles properties This tab contains a record all nView display settings for easy software setup.
Page 27
nView Windows properties This tab allows you to control window and dialog box placement when using multiple monitors. nView Applications properties This tab allows you to control nView settings depending different applications. nView Desktops properties This tab allows you to create up to 32 unique desktops. - 27 - Software Installation...
Page 28
nView User Interface properties This tab allows for customization of the nView user interface. nView Effects properties This tab provides special windows effects that you can apply to your applications. nView Zoom properties This tab provides dynamic zoom functionality on the desktop. Also enables full screen video playback via the video mirroring control button.
Page 29
nView Hot Keys properties This tab lets you perform various actions with shortcut keys or key combinations. nView Mouse properties This tab can modify and extend mouse behavior with kinematic actions. nView Tools properties This tab can improve nView functionality for mobile and desktop users.
3.2. Win 2000 driver installation ® With Windows running on your computer, you need to install the graphics card driver to take advantage of the higher performance, resolutions, and special graphics features of the graphics card. To ensure you install the latest driver, insert the Installation CD that shipped with your graphics card.
4. Troubleshooting Tips The following troubleshooting tips may help if you experience problems. Contact your dealer or GBT for more advanced troubleshooting information. Check that the card is seated properly in the PCI Express x 16 slot. Ensure that the display cable is securely fastened to the card's display connector. Make sure that the monitor and computer are plugged in and receiving power.
5. Appendix 5.1. How to Reflash the BIOS 5.1.1. Reflash BIOS in MS-DOS mode 1. Extract the downloaded Zip file to your hard disk(s) or floppy disk. This procedure assumes drive 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.
5.2. Resolutions and Color Depth Table (In Windows ® GeForce 6600 GT Single Display Stardard Modes Display Max.Refresh Color Depth (bpp) Screen Rate 8bpp(256 color) 16bpp(65K color) 32bpp(16.7M) Resolution (Hz) Standard mode High mode True mode 320 x 200 320 x 240 400 x 300 480 x 360 512 x 384...
Page 34
GV-NX66T Series Graphics Accelerator - 34 -...