Asus P5N-T Deluxe - Manual (Page 92)

4-24 Chapter 4: BIOS setup
4.4.4 NVIDIA GPU Ex [Disabled]
Enables or disables with the optimized NVIDIA Ex graphics driver.
Configuration options: [Enabled] [Disabled]
4.4.5 SLI-Ready Memory [Disabled]
Allows you to select the SPD profile for SLI-Ready memory modules. The
configuration options may vary depending on the type of module you installed.
Configuration options: [Disabled] [Optimal] [High Performance] [High Frequency]
The following item becomes user-configurable when SLI-Ready Memory is set
to [Enabled].
4.4.6 SLI-Ready Memory CPUOC [CPUOC 0%]
Configuration options: [CPUOC 0%] [CPUOC 1%]~[CPUOC 14%] [CPUOC MAX]