This document is a manual for the P5N-D ii E3481 First Edition V1 motherboard released by ASUSTeK COMPUTER INC. in December 2007. The motherboard has some features and characteristics, such as documentation kept for backup purposes, authorized repair and modification, and intact product serial number. ASUS does not provide any warranty or service for this manual and product, and shall not be liable for any indirect, special, incidental, or consequential damages. The specifications and information in this document are for informational use only and are subject to change at any time without notice, and should not be construed as a commitment.
This manual covers everything needed to install and operate the ASUS P5N-D motherboard, including hardware overview, CPU and memory installation, expansion slots, power‑up procedures, BIOS configuration, and software utilities. Detailed chapters guide users through safety precautions, connector layouts, and advanced features such as NVIDIA SLI support.
Safety information, FCC and Canadian compliance statements, and troubleshooting tips are included to ensure reliable and compliant operation. The appendix provides CPU‑specific features like Hyper‑Threading technology and system requirements.
| CPU socket | LGA775 |
|---|---|
| Hyper‑Threading support | Enabled via BIOS |
| Memory type | DIMM |
Disconnect the power cable from the electrical outlet before relocating the system or adding/removing devices.
Enter the BIOS setup, go to the Advanced menu, set the Hyper‑Threading Technology item to Enabled, then restart the computer.