I don' think there is any easy way of manually assigning interrupts in Windows 7, short of editing the registry, which without guidance from the manufacturer would be very dangerous. If there are true device conflicts, Windows 7 will let you change resources
like IRQs in the Device Manager. But you only have legitimate sharing, not conflicts.
Your only hope is to uninstall the drivers for all the onboard devices that you can, shut down, reboot and then disable the same onboard devices that use IRQs in the BIOS. Reboot and re-enable them in the BIOS one by one to see if the IRQs change. Obviously
you can't disable any devices needed for booting, but floppy disk controller, audio, USB (assuming your mouse and keyboard aren't USB) and Firewire controllers are good examples ones that can be disabled.
Steps to update sound drivers manually from the Device manager.
1. Open Device Manager by clicking the Start button, clicking Control Panel, clicking System and Security, and then, under System, clicking Device Manager. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
2. In the list of hardware categories, find the device that you want to update, and then double-click the device name.
3. Click the Driver tab, click Update Driver, and then follow the instructions. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
The only other possibilities are to try changing the "Plug and Play OS" option in the BIOS or to see if it has a BIOS upgrade.
Is it possible that your sound problems are not related to the IRQ sharing? One way to test it is to disable onboard sound and buy (or borrow) a sound card.
Modifying BIOS/complementary metal oxide semiconductor (CMOS) settings incorrectly can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the configuring of BIOS/CMOS settings
can be solved. Modifications of the settings are at your own risk.
I uninstalled Driver, rebooted and disabled LAN card in BIOS, started windows, then rebooted again, enabled LAN card, booted windows, installed driver, and it again uses same IRQ.
Sound Card drivers are up to date
Plug and Play OS option in BIOS made to change.
It's surely conflict, because when I disable internet connection through windows, or unplug cable, all problems go away. Also there are no problems if I don't use internet connection
At first I tried searching registry, to change IRQ, however I haven't found any way. May I know how to do that?
I assume your LAN controller is onboard and your Audigy is a PCI card? If so, move your Audigy card to a different slot. There should be one PCI slot which does not share with anything. Your motherboard manual should tell you which slot this is (on my
ASUS M2N-SLI Deluxe it is the bottom most PCI slot). It is generally advised that this slot is used for your sound card (unless you have something else very exotic that needs it). Put the Audigy in this independent PCI slot and your problems should evaporate.
Hmm. I hate those tables. No real use though, since you only seem to have two PCI slots so you can only switch it from the one you're using to the other one. The only problem there is that that one shares with almost everything else! Still, worth a try.
Well, you'll find that Creative cards lower than an Audigy 2 are often IRQ sensative. Yes, I know if they followed spec properly they oughtn't be, but they are. Lots of other cheap sound cards were like this too.
My Audigy 2 works fine in Win 7 on my ASUS M2N-SLI Deluxe with Win7. The A2 was a significant leap from the old style cards. It's waht the A1 should have been.
Get a new sound card. Those X-Fi cards are not too expensive so I expect they'll be even better than my A2.