USRobotics 33600, x2/56K user manual If you choose Then try This COM port This IRQ

At this point, you’ll either:

∙Be able to find the Sportster Winmodem 33600 & x2/56K group in the Program Manager window: If you can find this group, you’re ready to install the communications software.

OR

∙If the computer cannot configure the modem automatically, you will get a Configuration dialog box. You will have to choose an available I/O address and an available IRQ. (NOTE: Do not check the Let Plug & Play configure… option.)

∙For the I/O address: Choose any on the list.

∙For the IRQ: The COM port/IRQ combinations shown here work with most computer set-ups:

If you choose	Then try
this COM port:	this IRQ:
1	4
2	3
3	5, 7 or 9
4	5, 7 or 9

If you have a sound card, SCSI card, or game card, it might be using IRQ 5 or 7. Do not make 5 or 7 your first choice then, because it might not be available.

If the configuration you’ve chosen works, you should be able to find the Sportster Winmodem 33600 & x2/56K group in the Program Manager window. If you can find this group, you’re ready to install the communications software following the directions page 11.

Sportster Winmodem 33600 & x2/56K - User's manual 9