This document contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without the prior written permission from the copyright holders. This publication is provided for informational purposes only. The manufacturer makes no representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. The user will assume the entire risk of the use or the results of the use of this document. Further, the manufacturer reserves the right to revise this publication and make changes to its contents at any time, without obligation to notify any person or entity of such revisions or changes.
This manual provides safety guidelines, warranty information, and handling precautions for the LANPORTR 790FX-M2R system board. It explains electrostatic discharge protection, proper installation steps, and troubleshooting tips for common issues such as hard‑drive and peripheral configuration.
The document details the motherboard’s hardware features, including the AMD processor socket, chipset, memory support, PCI‑Express slots, audio codec options, and Gigabit LAN controllers. It also describes BIOS setup, RAID configuration, and jumper settings required for system configuration.
| CPU socket | Socket 940 AM2 65nm |
|---|---|
| Northbridge chipset | AMD 720FX |
| Southbridge chipset | AMD SBé6é00 |
| Memory slots | Four 240‑pin DDR2 DIMM sockets |
| Supported memory types | DDR2 667 and DDR2 800 DIMMs, up to 8 GB |
| PCI Express x16 slots | 3 (Gen 2) |
| Audio codec options | Realtek ALC885 or Realtek ALC888T 8‑channel HD Audio |
| LAN controller | Marvell 88E8052 / 88E8053 Gigabit Ethernet |
| IDE connector | Supports up to two UltraDMA33 hard drives |
Keep the board in its anti‑static bag until ready to install, wear an antistatic wrist strap, work on a static‑free surface, and handle the board only by its edges.
The board includes three PCI Express (Gen 2) x16 slots.
It supports Realtek ALC885 or Realtek ALC888T 8‑channel HD Audio codecs.
The board accepts DDR2 667/800 DIMMs, up to 8 GB total, using unbuffered non‑ECC modules.