32bit nForce3 GART driver under Vista 32bit, allowing use of AGP8x, and providing a more stable system. The method is described in this forum thread. The same workaround exists for Vista x64 users via the Windows XP 64bit nForce3 Beta GART driver. The driver is located here. This driver is not signed so in order to boot the system, you will have to Disable Driver Signature Enforcement at the boot menu or install Readydriver Plus to do it automatically. Nvidia offers chipset driver download in the "Legacy" product category on its download page. See also Comparison of Nvidia chipsets References External links Nvidia: nForce3 Code 43 Error in Device Manager in Systems with ATI AGP Cards and Nforce3 Anandtech: nForce3-250 - Part 1: Taking Athlon 64 to the Next Level Anandtech: nForce3-250 - Part 2: Taking Athlon 64 to the Next Level Anandtech: Which Boards Have On-Chip LAN? TechReport Nvidia chipsets