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Chapter 4. Troubleshooting 17
To disable IRQ steering, from
Control Panel,
go to
System |
Device Manager | System Devices | PCI Bus |
IRQ Steering
and click the option button to disable IRQ steering. If the PCI
modem you have just installed is listed, highlight it and click
Re-
move
, and then reboot your system. If this doesn’t disable the
“IRQ Holder for PCI Steering,” please contact Microsoft Techni-
cal Support.
Assigning an IRQ:
Only computers with an updated BIOS will be
able to assign an available IRQ to the PCI slot on the mother-
board. Check your computer’s documentation, or the mother-
board itself, for the number of the PCI slot.
If you have a VIA Chip-based motherboard:
Computers with
this chipset, particularly those running Windows 98, frequently
have problems installing PCI modems unless the VIA IRQ Rout-
ing Miniport Driver is installed.
If your computer’s user’s manual doesn’t tell you if your mother-
board is VIA chipset-based, you need to look on the motherboard
itself to check. If you do have a VIA Chip-based motherboard,
you can download VIA’s IRQ Routing Miniport Driver from:
www.via.com.tw/support/faq.htm
.
Problem
Your modem seems to install but Windows cannot find it later.
Solution
If your computer has a built-in modem on the motherboard, Win-
dows may reinstall it the next time you start up. Consult your
computer’s documentation or call your computer’s manufacturer
to get instructions on how to disable the built-in modem.