US Robotics SportsterVoice User Manual page 13

If You are Using Plug and Play...
Take off all of the connections on the COM port and IRQ jumpers. Your jumpers should look like the following
illustration.
Your modem was shipped with jumpers set at COM 2 and IRQ 3. See the figure in the section titled Locating the
Jumpers.
To change the settings on your modem, lift the black plastic pieces and place them on the contacts to match the
desired settings. The settings are as follows:
COM 1
COM 3
To change the settings on your modem, lift the black plastic pieces and place them on the contacts to match the
desired settings. The settings are as follows:
The following is a list of recommended combinations of COM port and IRQ settings when not using Plug and Play:
COM 1, IRQ 4. COM 2, IRQ 3
COM 3, IRQ 4. COM 4, IRQ 3
10
If You are NOT Using Plug and Play...
COM 2
COM 4