The following was updated in release P26:

• Wireless PCI card fixes
• Removed LinkBoost support (Please see below)
  “LinkBoost was removed from nForce 680i SLI because it did not show significant demonstrable benefit in games. We had hoped newer games would take advantage of this additional bandwidth but this has not been the case. Please note that future BIOS upgrades will only remove the automatic overclocking component of LinkBoost. Users can still manually overclock the PCI-Express and HyperTransport buses in the BIOS.”

Also includes these updates from bios P20, P21, P23, P24, and P25:

• Vreg fan header default set to on
• Memory performance improvements
• Vista WHQL Certified
• USB Floppy improvements for RAID installs
• Correct CPU temp and voltage system monitor displays in BIOS
• Correct default CPU multiplier setting
• Fix "Code 50" hang received under certain VGA configurations
• Fix for SATA disk drives
• Improvements to memory stability and overclockability
• Disabled spread spectrum tables for improved overclockability
• Improve POST screen CPU speed reporting
• Improves X-Fi and internal audio functionality
• WHQL Certified BIOS
• Improvements to overclocking
• Enhancements for Quad-Core CPUs
• Adds ability to enable splash screen

INSTRUCTIONS: Mainboard BIOS updates can be accomplished through the following.

Please use ONLY the below method for flashing the P26 BIOS

• FLOPPY (Floppy Disk and Disk Drive Required)
• Download the following executable: NF68_P26.exe
• Insert blank floppy disk into drive and run executable
• Restart machine, and set floppy as the primary boot device
• After flash, power off PC completely, on reboot load defaults in BIOS