Are there any IRQ Conflicts?

[Zenoth]

Hey,

I wanted to know if any of you here who know how IRQ channels/requests work could tell my by looking at the picture below if you see any conflicts in there? I'm asking because I suspect there could be some, since I notice that some of my games have abnormal performances considering my system, and I thought that maybe one or more conflicts are occurring within the IRQ channels. If it matters to mention I installed my motherboard's chipset drivers (they are WHQL as well).

If you do see conflicts could you please tell me which ones (or which component) are causing them? That's from my XP SP3 x86 partition by the way.

Here's the picture: http://img18.imageshack.us/my.php?image=irq.gif

Thanks.

 

[techmanc]

Have you tried DPC Latency Checker?


Link Here
http://www.thesycon.de/deu/latency_check.shtml

 

[Zenoth]

I just tried it, and so far the highest latency I'm seeing in the graphic is around 22us, it's all green and it barely goes up, but is that software also analyzing for IRQ conflicts?

 

[techmanc]

Well it new to me haven't had a conflict to test it with yet but seeing how it website recommend disable devices when it reports a problem I would think it would help.
I have used many multi hard drive optical controllers and sound cards in my systems. I would love to have something that show the conflicts but usually its checking event viewer for problems and disconnecting/rearranging devices. Looking at devices in system information doesn't really help looking at conflicts/sharing.

 

[corkyg]

Since XP, IRQ sharing problems are almost non-existent.

IRQ

 

[pcgeek11]

This is why IRQ Conflicts are nearly nonexistant.

http://en.wikipedia.org/wiki/A...e_Interrupt_Controller

But they used to be a pain in the ass! Oh DOS Days where art thou.

pcgeek11

 

[techmanc]

I just started a thread in the hardware forum to better explain what problems i looking for answers its more on resource conflict I think feel free to offer some insight there


Link
http://forums.anandtech.com/me...=2280766&enterthread=y

 

[Lemon law]

At least on modern OS's like Win XP and others, one can use system information to see if there are any IRQ conflicts. Just look at the left pane options.

But I do remember one big networking no no I inadvertently committed, I accidentally set up a network where two PC's had the same network address. As a result, I beat my head against the wall for days trying to get any modem to work on either PC. And switching the modem to another slot fixed it in minutes because that slot was blackflagged by windows to have a modem. And changing slots removed the black flag because windows reassigned the IRQ's. Something techmanc pointed out in his post.