How to Control the Ethernet Card on a Mac
- 1). Click the "Apple" menu. Click "System Preferences," and click "Network."
- 2). Click "Ethernet" in the Network Connections list.
- 3). Click the "Advanced" tab. Click "Ethernet," and click "Configure," "Manually."
- 4). Click the "Speed" menu if you need to control the Ethernet card's speed.
- 5). Click the "Duplex" menu and choose the option for the network you want to use.
- 6). Enter a maximum packet size if the network requires it.