Award BIOS v4.51PG: Unable to assign IRQs to PCI devices

Award BIOS v4.51PG: Unable to assign IRQs to PCI devices

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Posted by Daniel on December 29, 2001 at 21:50:34:

Good day,

I'm unable to assign different IRQs to 2 PCI devices (SoundBlaster Live! v5.1 and D-Link PCI Wireless networking card). I've tried disabling the Parallel, Communication and USB ports, and changing various options, nothing works! When I reboot Windows XP and look at the system info, I see many devices sharing IRQ 9 (includes the following devices: Microsoft ACPI-Compliant System, NVIDIA GeForce2 MX/MX 400, Intel 82371AB/EB PCI to USB Universal Host Controller, Creative SB Live! Series, Ricoh ... Compative CardBus Controller). I have many free IRQs but I'm unable to explicitly assign them to the devices. No matter what I do (e.g. assign specific IRQ numbers to each PCI slot) nothing works. They always get assigned to IRQ 9. Can someone help me understand this incoherent BIOS?

System info:
Motherboard : ASUS P2-99B
BIOS : Award BIOS v4.51PG / ASUS P2-99B ACPI BIOS Rev 1011, 1999-10-21
OS : Windows XP Pro
PCI slots : 3 (only one is free)
CPU : Celeron 500Mhz


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