PictureTel III ISA manual Double-click the 3Com icon in the taskbar tray, Restart the PC

Changing the I/O Base Address or the Interrupt Request Level 5-3

Windows NT

Follow these steps to change the IRQ level assignment or the I/O base address in a Windows NT PC:

1Double-click the 3Com icon in the taskbar tray.

The General tab of the 3Com NIC Diagnostics program appears.

2Select the Configuration tab.

3Select the resource (I/O base address or interrupt request level) that you want to change in the Network Parameter column of the list box.

The current value for that parameter appears in the Set Value entry box.

4Scroll to the value that you want to assign, and then click OK.

5If you change the I/O base address, before you restart Windows NT, make sure that the address that you assign matches the I/O base address on the Adapters tab screen. Follow these steps to verify the base addresses:

a Double-click the My Computer icon, double-click the Control Panel icon, double-click the Network icon, and then select the Adapters tab.

3Com EtherLink III (3C509) ISA Adapter is selected.

b Click Properties.

The I/O Port Address value appears in the scroll box on the 3Com EtherLink III Adapter Card Setup screen.

Ensure that this value matches the value set in step 4. To change this value, scroll to the matching value, and then click OK.

cClick OK to close the 3Com NIC Diagnostics program.

6Restart the PC.

The hardware conflict should be resolved. If not, consult your system administrator.