Changing IRQ's?

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Hi all,
I have a whole bunch of items sharing IRQ's, no conflicts really but my Adaptec SCSI controller card I wish to have on its own IRQ preferably 11 and want to lock this so nothing else can share it. Is this possible and how do I change this please?

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Zlash

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Yes but it's a pain in the ass, I think you have to install a different HAL or change the power settings to APM i forgot which. But if there's no conflicts, don't worry about it...thier all on 9 aren't they?

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Toejam31

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It's possible, but I don't think you'll want to do that.

It is normal for the majority of the devices to share an IRQ in Win2K and WinXP with an ACPI HAL and ACPI-supported hardware.

To alter the IRQ settings, you'd have to switch to APM power management in the BIOS, disable any ACPI-related settings, and select a Standard HAL during the OS installation, at the same point where the SCSI controller drivers are loaded. But the computer might not be as stable afterwards. You'd also have to decide whether the IRQ settings should be loaded directly from the BIOS (with Plug-N-Play enabled) or assigned by Windows (Plug-N-Play disabled.)

Although switching to an Standard HAL from within Windows is possible (by "upgrading" the driver), it can cause some problems, afterwards. If you don't have any conflicts, then I'd leave it alone. What you are currently running is a <i>feature</i>, and really only needs to be altered if the system has a device conflict that can't be resolved in any other way.

Toejam31

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G

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OK, I will leave that well alone then, to dangerous for this lil' black duck to be messing with :smile:
Yes mostly all on 9.
Thanks for the reply.

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G

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Hi ya,
sounds like I should not fiddle with this.
Is it better to have PNP disabled and managed by windows or by the BIOS?

Thanks, btw the fish were very tasty. :smile:

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Zlash

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I think windows takes over PnP anyway hehe.

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Toejam31

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I'll bet they were. Tasty, I mean! LOL!

Maybe the next time you'll get to do some fishing, instead of being the hook baiter. 'Course, that's what Dad's are for.

:wink:

Leave PnP disabled in the BIOS (set as non-PnP OS), and Windows won't have any difficulty loading the ACPI drivers.

Everything's been cool with the system, otherwise?

Toey

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Zlash

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On mine even with it enabled in bios the little screen that comes up with the components and thier properties during booting up shows different IRQs that what is listed in windows.

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G

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Having loads of trouble with the hardware mostly, but the paritions and o/s are great thanks to your suggestions.
I am getting random lockups before and after post, page errors etc like "PAGE_FAULT_IN_NONPAGED_AREA" & "DRIVER_IRQL_NOT_LESS_OR_EQUAL". An error in event viewer/application says something to do with a true vector engine thingy.
See my post <A HREF="http://forumz.tomshardware.com/hardware/modules.php?name=Forums&file=viewtopic&p=648399#648399" target="_new">here</A> for the current problems.

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Yeah, I have noticed that, perhaps that is what the bios does to get started then the O/S takes over when it starts and sets them up differently. Dunno but sounds good to me. heh

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Toejam31

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Same here. Perfectly normal stuff.

Toejam31

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Toejam31

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Are you running a version of ZoneAlarm? I'm pretty sure the True Vector Engine is the firewall utility. It might need upgraded.

I've noticed a few people complaining about the free version, but there are no problems with the Pro version.

The PAGE_FAULT_IN_NONPAGED_AREA doesn't actually have anything to do with the Page File. This is more like a General Protection Fault in Win98. The DRIVER_IRQL_NOT_LESS_OR_EQUAL is definitely due to a driver or a file loading up that has some compatibility issues with the OS.

I looked at your other post. It looks like you've tried nearly everything except replacing the processor. However, since you are running into these problems, I'd really back off from the overclocking, if I were you.

That processor still under warranty?

If your voltages are all over the place, and you find yourself replacing PSU's ... then perhaps you should start thinking about fluctuating current from the wall outlet. Do you have a UPS, or a surge protector to protect from brown-outs or surges?

SCSI devices are power-hungry. You might need to invest in an even more powerful PSU, like one from <A HREF="http://www.pcpowercooling.com/home.htm" target="_new">PC Power & Cooling</A>, which have long been considered to be the very best. But be prepared to live on rice for a while, afterwards!

I had a couple of Seagate 10,000 RPM Cheetahs last year, with an Antec 400W PSU. It didn't take long to discover that the power supply was inadequate. Combined with a GeForce card, there was barely enough power to spin up the drives during the boot. That's when I installed a 550W Enermax ... and if that hadn't worked, I was prepared to go higher.

The default core voltage for an AMD Thunderbird 1.4GHz is 1.75v.

Toey

<font color=red>My Rig:</font color=red> <A HREF="http://www.anandtech.com/mysystemrig.html?rigid=6847" target="_new"><font color=green>Toejam31's Tantalizing Tantric Toy</font color=green></A>
<font color=red>Second Rig:</font color=red> <A HREF="http://www.anandtech.com/mysystemrig.html?rigid=15942" target="_new"><font color=green>Toey's Dynamite DDR Duron</font color=green></A>
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<font color=purple>"Some push the envelope. Some just lick it. And some can't find the flap."</font color=purple>
 
G

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I am running the latest version of Zone Alrm Pro, the processor is over 18 months old and has damage on it.

I agree it is possibly a power problem as it is spasmodic with the errors and failures at times and at other times its an absolute dream.

Was thinking about running a few things off an old ATX 250w PSU I have kicking around in unison with the enermax, I agree a UPS would be a good investment in my area.
The Enermax EG465P-VE 431W PSU that I have now was the replacement for one that fried itself completely when I was at the previous address 1500 Miles away.
Here I was worrying about the CPU burning down the house :lol: .
The SCSI hard drives are LVD and AFAIK they are ment to use way less power than normal.

Cheers...


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