This is the safest method as it works directly from the BIOS interface without needing an operating system. P5N-E SLI - Support - ASUS
The is a classic LGA 775 motherboard based on the NVIDIA nForce 650i SLI chipset . Updating its BIOS is a critical maintenance step for improving system stability, fixing boot delays with modern hardware, and ensuring compatibility with newer Core 2 Quad or Duo processors. Where to Download ASUS P5N-E SLI BIOS asus p5n-e sli bios download
The most reliable source for these files is the official . BIOS Version Release Date Key Features / Fixes 1406 (Latest) Nov 30, 2009 Fixes long boot times with certain AMD graphics cards. 1404 Oct 22, 2009 Adds support for new CPUs. 1403 (Beta) Jun 10, 2009 Corrects reported frequencies for specific CPUs. 1201 May 14, 2008 Enhances system stability with various DDR2 memory modules. How to Update Your BIOS This is the safest method as it works