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Discussion Starter · #1 ·
My computer has been locking up and has been a mystery for several people as to why it is doing this. It only does it on the net now. I was looking through my list of IRQ's and found that my modem and video card are on the same IRQ with a bunch of other garbage. I think this may be the problem. How do I move once device to another IRQ? This IRQ that has the modem and video card has 9 items on it while the other IRQ's have 3 tops. Can someone help me with this? Thanks...
 

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What operating system are you using?
 

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Erfan Z28 said:
What operating system are you using?
I bet he is using linux.
 

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And whats a IRQ? Isnt that a country in the middle east?:D :p
 

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Go into your bios and reset the plug n' play option, if that doesnt work, turn auto control off and set it to manual, also turn off the 2 serial ports to free up some IRQ's as you will probably never ever use them.
 

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Ok, what ports are your video card and modem in?
 

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Discussion Starter · #10 ·
IRQ 10 HP EN1207D-TX PCI 10/100 Fast Ethernet Adapter
IRQ 10 ACPI IRQ Holder for PCI IRQ Steering

I/O Port 0x2000-0x2FFF Intel 82801AA PCI Bridge
I/O Port 0x2000-0x2FFF Lucent Win Modem

IRQ 11 Intel(r) 82801AA USB Universal Host Controller
IRQ 11 ACPI IRQ Holder for PCI IRQ Steering

I/O Port 0x03F6-0x03F6 Intel 82801AA Bus Master IDE Controller
I/O Port 0x03F6-0x03F6 Primary IDE controller (dual fifo)

I/O Port 0x01F0-0x01F7 Intel 82801AA Bus Master IDE Controller
I/O Port 0x01F0-0x01F7 Primary IDE controller (dual fifo)

I/O Port 0x10A0-0x10AF Intel 82801AA Bus Master IDE Controller
I/O Port 0x10A0-0x10AF Primary IDE controller (dual fifo)

IRQ 14 Intel 82801AA Bus Master IDE Controller
IRQ 14 Primary IDE controller (dual fifo)

IRQ 9 SCI IRQ used by ACPI bus
IRQ 9 Intel(r) 82810E Graphics Controller 4.12.01.2576
IRQ 9 Lucent Win Modem
IRQ 9 Intel 82801AA SMBus Controller
IRQ 9 Crystal WDM Audio Codec
IRQ 9 ACPI IRQ Holder for PCI IRQ Steering
IRQ 9 ACPI IRQ Holder for PCI IRQ Steering

IRQ 15 Intel 82801AA Bus Master IDE Controller
IRQ 15 Secondary IDE controller (dual fifo)

Memory Address 0xF4100000-0xF41FFFFF Intel 82801AA PCI Bridge
Memory Address 0xF4100000-0xF41FFFFF Lucent Win Modem

I/O Port 0x0376-0x0376 Intel 82801AA Bus Master IDE Controller
I/O Port 0x0376-0x0376 Secondary IDE controller (dual fifo)

I/O Port 0x0170-0x0177 Intel 82801AA Bus Master IDE Controller
I/O Port 0x0170-0x0177 Secondary IDE controller (dual fifo)


Here is the IRQ listing. Look at IRQ 9. How can I move things on 9 to seperate these things?
 

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All of the devices on IRQ 9 are onboard components except for the modem. Do this for me, take out the win modem and move it over one PCI slot. Are you on DSL/Cable or are you on dial up?
 

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Have you run a complete virus scan? Have you updated your video card drivers?
 

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Ktulu said:
damn virus's that make irq's conflict :rolleyes:

HAHAHAHHA. I agree. Watch out for those IRQ viruses!

:)

Truth is it is NORMAL to have Windows 9.x and Windows 2000 to share IRQ. It is by design. Problem is with Windows NT and Windows 3.11.

Check out http://support.microsoft.com/default.aspx?scid=kb;en-us;252420

This is for Windows 2000.

For Windows 9.x, check out http://support.microsoft.com/default.aspx?scid=kb;en-us;182604

"Windows 95 OEM Service Release 2 (OSR2), Windows 98, Windows 98 Second Edition, and Windows Millennium Edition (Me) provide support for PCI bus IRQ steering. By using PCI bus IRQ steering, Windows can dynamically assign or "steer" PCI bus IRQs to PCI devices. Note that Microsoft Windows 95 (retail release) and Microsoft Windows 95 OEM Service Release 1 (OSR1) do not provide support for PCI bus IRQ steering. "
 

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Ktulu said:
damn virus's that make irq's conflict :rolleyes:
It might not be a IRQ conflict, rather a virus loading up in memory causing issues.
 

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Erfan Z28 said:
It might not be a IRQ conflict, rather a virus loading up in memory causing issues.
If it only happens when connecting to the net, I would lean more towards his modem.

Sounds like flakey hardware.

Good test is the next time the system locks, try to turn on and off CAPS LOCK. If the light does not turn on and off you have some type of hardware issues.

Hence. If it happens when connecting to the internet......and the modem is the "other" factor....it's safe to say the modem may be heading south.

As for the IRQ sharing.......YES, that is by design.

Only Windows NT and the other "Legacy" OS have problems with IRQ sharing.

Check out

http://support.microsoft.com/default.aspx?scid=kb;en-us;102658


:D
 
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