This manual describes the operation of the NB60-EL/EC and NB76-EA/EC system boards.
This manual provides detailed information for the NB60-EL/EC and NB76-EA/EC system boards, including hardware layout, supported processors, memory configurations, expansion slots, onboard graphics, audio, LAN, and Smart I/O features. It also describes the Award BIOS Setup Utility, supported software drivers, and safety precautions.
The document includes a troubleshooting section with checklists for power, display, peripheral, and BIOS issues, as well as a hardware error‑message reference. It is intended for system integrators and end users who need to install, configure, and maintain these motherboards.
| Chipset (NB60-EL/EC) | Intel 845GL |
|---|---|
| Chipset (NB76-EA/EC) | Intel 845G |
| CPU Socket | Socket 478 for Pentium 4 |
| Maximum CPU Speed | 2.2 GHz |
| Supported Memory Types | DDR200 (PC1600) / DDR266 (PC2100) 2.5 V unbuffered |
| Expansion Slots (NB60‑EL/EC) | 1 ADD, 6 PCI (1 shared with CNR), 1 CNR |
| Expansion Slots (NB76‑EA/EC) | 1 AGP, 6 PCI (1 shared with CNR), 1 CNR |
| Onboard LAN Controller | Realtek RTL8100 |
| USB Ports | 4 USB 2.0/1.1 ports (plus 2 external USB ports) |
The NB76‑EA/EC board provides one AGP slot, six PCI slots (one shared with a CNR slot), and one CNR slot.
Both boards use the Realtek RTL8100 fast Ethernet controller.