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Home » Forums » Forum Archives » Other Computer Problems » Topic # 147

IRQ Conflicts
Rogue Feb-10-01 00:39 AM
Hello hello... I've been looking through my system information, and have a LOT of IRQ conflicts, and don't know the significance of them, nor how to fix them (do I need to fiddle with the BIOS as well? Refer to manuals that came with my hardware?)

Any suggestions? Is this a really big problem? Here's my list of IRQs:
0 System timer
1 Standard 101/102-Key or Microsoft Natural Keyboard
2 Programmable interrupt controller
3 (free)
4 Communications Port (COM1)
5 Creative SB16 Emulation
6 Standard Floppy Disk Controller
7 ECP Printer Port (LPT1)
8 System CMOS/real time clock
9 SCI IRQ used by ACPI bus
10 Adaptec AHA-294X/AIC-78XX PCI SCSI Controller
10 Creative SB Live! Value
10 Realtek RTL8029(AS) PCI Ethernet NIC
10 Intel 82371AB/EB PCI to USB Universal Host Controller
10 ACPI IRQ Holder for PCI IRQ Steering
10 ACPI IRQ Holder for PCI IRQ Steering
11 NVIDIA RIVA TNT2 Model 64
11 ACPI IRQ Holder for PCI IRQ Steering
12 PS/2 Compatible Mouse Port
13 Numeric data processor
14 Primary IDE controller (dual fifo)
14 Intel 82371AB/EB PCI Bus Master IDE Controller
15 Secondary IDE controller (dual fifo)
15 Intel 82371AB/EB PCI Bus Master IDE Controller

Thanks kindly.


1. RE: IRQ Conflicts
lbyard Feb-12-01 02:28 PM
In response to message 0
Go into the motherboard CMOS Setup and disable COM1: if you are not using it. Go to Start, Settings, Control Panel, System, Device Manager, Multimedia, choose your SB Live driver(s), Properties, and try to manually assign IRQs to the sound card, etc.. See Appendix B in the SB Live manual and disable DOS emulation if you do not need it. If you do need it match –up IRQs, etc. with the Windows drivers or move them to unused IRQs. IRQs 5 and 10 are usually the best choice for DOS game, etc. compatibility. See page D-8, Troubleshooting IRQ Problems, in the SB Live Manual. Try doing it with the network adapter. Move the network adapter to another PCI slot. Unfortunately, troubleshooting these kinds of problems is a time consuming art, not a science. Plug ‘n Prey… Larry

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