This manual explains how to install the Lenovo BN8139 network adapter, configure its driver on various Windows operating systems, and resolve common issues. It includes safety precautions such as static‑electric protection and proper handling of the card.
The hardware installation section details opening the PC case, inserting the PCI card, and connecting the Ethernet cable. The driver installation part walks through steps for Windows 95/98, Windows 2000/XP, and includes instructions for selecting the Realtek RTL8139 driver. A troubleshooting chapter lists checks for driver status, cable connections, LED indicators, and network speed settings. This manual is written in Chinese.
| Supported Ethernet speeds | 10Mbps (10Base‑T) and 100Mbps (100Base‑TX) |
|---|---|
| LED indicator – LINK100 | Green, indicates 100Mbps link |
| LED indicator – LINK10 | Yellow, indicates 10Mbps link |
| LED indicator – ACT | Red flashing, indicates data transmission |
LINK100 (green) shows a 100 Mbps link, LINK10 (yellow) shows a 10 Mbps link, and ACT (red) flashes to indicate data transmission.
Verify that the driver is correctly installed, the Ethernet cable is securely connected, the switch or hub matches the adapter’s speed (10 Mbps or 100 Mbps), and observe the LED status for link and activity.