The manual is for NB30-EC/EL NB35-EC/EL Rev. A+ System Board User’s Manual, which introduces the use of the motherboard, including installation steps, hardware specifications, software installation, and troubleshooting.
This manual provides detailed information for the NB30-EC/EL and NB35-EC/EL system boards, including hardware specifications, installation procedures, BIOS configuration, supported software and troubleshooting steps. It also lists the differences between the two board variants and references the multilingual manual for the most up‑to‑date information.
Key sections cover the board layout, memory and CPU support, expansion slots, onboard graphics, audio, LAN, USB ports, and power connections, followed by a comprehensive troubleshooting guide for common hardware issues.
| Chipset (NB30-EC/EL) | Intel® 845GL |
|---|---|
| Chipset (NB35-EC/EL) | Intel® 845G |
| CPU socket | Socket 478 for Pentium 4 processors |
| Maximum CPU speed | 2.2 GHz |
| Expansion slots (NB30-EC/EL) | 1 ADD slot, 3 PCI slots, 1 CNR slot |
| Expansion slots (NB35-EC/EL) | 1 AGP slot, 3 PCI slots, 1 CNR slot |
| Onboard LAN controller | Realtek RTL8100 fast Ethernet controller |
| Audio codec | 20‑bit stereo full‑duplex codec |
| USB ports | 4 USB 2.0/1.1 ports |
| VGA connector | DB‑15 VGA port |
| Power supply connectors | 2 ATX power supply connectors |
The board uses a Socket 478 that accepts Pentium 4 processors.
Four USB 2.0/1.1 ports are available on the rear panel.
It includes a Realtek RTL8100 fast Ethernet controller.