The document is the user manual of NB71-BC NB70-BC Rev. A+ System Board User’s Manual 61400228. It contains information that is protected by copyright and cannot be reproduced or used in any form without prior written permission from the copyright holders. The manual is provided for informational purposes only. The manufacturer disclaims any express or implied warranties of merchantability or fitness for any particular purpose with respect to the contents or use of this manual. The user assumes the entire risk of using this document. Furthermore, 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 detailed information about the NB71-BC and NB70-BC system boards, including hardware features, chipset details, supported processors, memory configurations, and peripheral interfaces. It also explains BIOS settings, jumper configurations, and safety precautions for installation and servicing.
The document includes installation notes, BIOS update procedures, troubleshooting checklists, and guidance on configuring devices such as hard drives, printers, serial and parallel ports, and expansion cards. Safety warnings emphasize proper power handling and battery replacement procedures.
| Chipset (NB71-BC) | Intel 845E |
|---|---|
| Chipset (NB70-BC) | Intel 845D |
| CPU Socket | Socket 478 (Pentium 4) |
| Maximum CPU Speed | 2.2 GHz |
| System Data Bus | 400 MHz (NB70-BC) / 400/533 MHz (NB71-BC) |
| Memory Slots | 2 × 184‑pin DDR SDRAM DIMM sockets |
| Supported Memory Types | DDR200 (PC1600) or DDR266 (PC2100) |
| Maximum Memory Capacity | 2 GB |
| AGP Slot | 1.5 V AGP 4x (supports 1066 MB/s) |
| USB Ports | 2 |
| Serial Ports | 2 × DB‑9 (NSI6C550A compatible) |
| Parallel Port | 1 × DB‑25 (SPP/ECP/EPP) |
| Audio Jacks | 3 (line‑out, line‑in, mic‑in) |
The board provides two 184‑pin DDR SDRAM DIMM sockets.
Unplug the power cord before removing the system chassis cover.
It has a 1.5 V AGP 4x slot that supports up to 1066 MB/s bandwidth.