NVIDIA have posted new WHQL certfied nForce Drivers, Version 2.41.

Release Notes
WHQL certified kit for nForce & nForce2
Includes support for nForce2 400 & nForce2 Ultra 400
Added full IDE driver with performance enhancements (no longer shows as SCSI miniport driver)
Update audio performance fixes for EAX supported games
Update audio control panel

Download Now (http://www.techspot.com/drivers/index/results/nvidia nforce unified driver/0). We've got the nForce APU covered in our Soundcard Guide.