3Com TokenLink VelocityTM XL PCI Network Interface Card manual Setting Ring Speed for Windows NT

4-12CHAPTER 4: MICROSOFT WINDOWS ENVIRONMENT

Setting Ring Speed for Windows NT 4.0

Auto ring speed detection permits the 3C359 NIC’s NDIS 4 driver to detect and operate at the current ring data rate. Auto ring speed detection is automatically enabled when you load the NDIS 4 driver for Windows NT 4.0.

You can choose the following ring speed options:

■Enable auto ring speed detection (default setting)

■Disable auto ring speed detection and manually set the NIC ring speed to 16 Mbps or 4 Mbps

To access the ring speed detection option in a Windows NT environment, follow these steps:

1In the My Computer group, double-click the Control Panel icon.

2In the Control Panel group, double-click the Network icon.

3In the Network dialog box, click the Adapters tab.

4In the Adapters tab, select 3Com TokenLink Velocity XL PCI Adapter and click Properties.

The 3Com TokenLink Velocity XL PCI Adapter dialog box appears, as shown in Figure 4-5.

5To manually set the ring speed, position the mouse pointer on the down arrow button in the Ring Speed Detection field. Press and hold down the left mouse button to display the available options.

The ring speed detection menu displays the current ring speed options, as shown in Figure 4-5.