NVIDIA VCQFX550PCIEPB User Guide - Page 157
Power Supply, Installation and Operating Instructions, Installing the Hardware
UPC - 353640333107
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Chapter 7 Configuring Key ForceWare Graphics Driver Features Power Supply • Some graphics cards that are capable of supporting SLI technology may require an external power cable. • As SLI technology based computers support up to two high-end graphics cards, the load on the computer's power supply can increase significantly. A minimum of a 450W Power Supply Unit (PSU) is recommended. Note: An inadequate power supply can result in erratic and unpredictable system behavior. Note: For the latest updates on SLI technology-certified power supplies, see www.slizone.com/content/slizone/build.htm. Installation and Operating Instructions Note: Before removing current graphics cards and installing two NVIDIA GeForcebased graphics cards, be sure to uninstall any current drivers. Installing the Hardware Note: Perform the installation in a static safe environment and utilize a properly grounded anti-static wristband. Place any static sensitive components in antistatic bags. 1 Turn off the computer and remove the power cord from the power supply. 2 Gently remove or open the system enclosure. Refer to the owners manual that came with your computer. 3 Remove any graphics cards that are not SLI technology- capable and may occupy the x16 expansion slot and replace them with your SLI technology-capable graphics card. 4 Install the second SLI technology-capable graphics cards in the adjacent slot. You may also need to relocate a card. The chosen slot must be x16, x8 or x4 capable. 5 Connect the two graphics cards with the SLI bridge connector. NVIDIA Corporation 157