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I have an IRQ conflict between Soundblaster platinum and USB controller. So, everytime I listen to music and do printing at the same time, the sound is very bad. Can anyone help?
Thank's
There is 1 IRQ that is almost never used by any devices. This is IRQ 9. A little known fact is that IRQ 9 is a cascaded (rerouting)
IRQ for IRQ 2, but it can be shared with a device. Go in the BIOS, and where it says USB
IRQ, change it from "auto" to "9". Then go into windows under device manager and click on the properties for the USB Host Controller
on the resources tab. In there the IRQ should now be 9. Your sound card's IRQ should be either 10 and the sound card's emulator should be 5. Post back here and tell me if this helped you. Also post back here with your IRQ status list so I may help you reconfigure your IRQ's so your machine can run faster. GOOD LUCK!!!!!
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J,
I always can use a way to help my machine run faster too.I've been having conflicts which I have thought were software related, but please tell me about IRQs. How can I check for hardware(and software?) conflicts...and also speed up my machine.
Thanks, jA
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In order to further help you I need a list of what's using which IRQ's on your machine and post that list here so I can see first of all which IRQ's need to be reassigned on your machine (if any). To get this list, click on start, go to programs, then to accessories, system tools, and then click on system information. On the left pane click the + next to hardware resources. That will expand that branch to show the sub categories of Conflicts/Sharing, DMA, Forced Hardware, I/O, IRQs, Memory. Click on IRQs, and save that list to a text file so you can post it here. That way I can see what needs to be changed.
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Ok, here's what it shows:
0 System timer
1 Standard 101/102-Key or Microsoft Natural Keyboard
2 Programmable interrupt controller
3 (free)
4 Communications Port (COM1)
5 YAMAHA DS-XG Legacy Sound System
6 Standard Floppy Disk Controller
7 Printer Port (LPT1)
8 System CMOS/real time clock
9 U.S. Robotics 56K Voice Win
9 YAMAHA DS-XG PCI Audio CODEC
9 Intel 82371AB/EB PCI to USB Universal Host Controller
9 IRQ Holder for PCI Steering
10 (free)
11 (free)
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
What do you think?
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Change the US Robotics 56k to IRQ 11 and change the AUDIO CODEC device to IRQ 10. If you get a message saying the resource settings cannot be changed post back here and tell exactly what you did so I can tell you how to make the computer change them. That is if Windows won't let you change the above IRQs then I'll show you how to manipulate the BIOS to make Windows change them. Good luck and post back with your results.
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Wow....I am really into(personally)uncharted waters on this. But I love learning new things.
Please tell me how to do it...to even find out IF Windows will let me switch them.
I appreciate it, JC---Have you been seeing any of my other posts about "jerky" mouse action and clock slowdown, etc? Could this be related?
What will switching those device IRQs do?
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Yes...now I see that 4 things are using No.9(I'm sure there could be interrupt conflicts and "jerkiness" from that).
Please tell me how to do this IRQ switching.
Thanks,Joe
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JC, I went into Device Manager, then opened up my modem and audio codec(one at a time, of course)properties, then Resources, unchecked the "Use automatic settings"...and got a message that they could not be changed.
Now what, J?
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The mouse IRQ is always 12. If you change the mouse's IRQ it will quit working. You will have to manipulate the BIOS to get Windows to comply to the changes you request.
Before I can help you I need to what slots the sound card and modem are in. Starting from the power supply is your AGP(if you have one, which is shared with PCI 1),depending on your config 3 to 5 PCIs which are PCI 1-2-3-4-5 starting from the power supply (depending on your setup, PCI
1-3 or 4-5 are shared), and an ISA slot (if and ISA exists then it's shared with PCI 5). I will explain more later. For now I need to know 1)what motherboard is it? 2)Does an AGP slot exist? 3)Is it a 3, 5, or 6 PCI slot system? 4)Does an ISA slot exist? and 5)What slots do the modem and sound card live in (remember PCI slot 1 is the one nearest to the power supply)? If you can post a pic of the back of computer and of the inside so I can get an idea of what you got. JC
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Hi J,
I watched this posting until I had to go to bed last night.I see you posted very late...and I just now found your reply. I'm at work now, but will look at the slots and answer when I get home(about 5PM..Texas time)
I don't think I have a video card. I think it is part of the motherboard. Can that be? This is an early '99 DELL Dimension PC, and when I rebuilt things recently their phone Tech support helped me install my sound driver, but no a video saying(I think)that it was built into the motherboard. Does that sound possible?
PS--I didn't think we were talking about doing any
with my mouse...or IRQ 12?
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Sorry I'm late J,
Ok, I've got the case open trying to figure out what you are talking about re: the slots. While I try to figure it out...is there a utility that will tell me what kind of motherboard I've got? I don't see it in System tool.Joe
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Ok, while I wait for an answer on how to tell the type of motherboard I have...I'll try to describe it.
I'll got a '99 vintage DELL Dimension tower. Next to the power(moving down vertically)is my CPU and fan(with my RAM sticks vertically on the right of them), then(moving down again) there is some sort of plate with circuits on it(about 2" wide and 4" long)that is in a slot and also attacked with screws to a bracket on the case.
Then below that are 5 white slots about 3" long(horizontally, one above the other). The top 3 are empty. the 4th slot has a card(about 2" by 3 1/2"), and the 5th slot is empty.
Sorry to sound so ignorant. I've install a 2nd HDD, 2 extra sticks of RAM and an upgraded CPU, but this is new to me.
What else can I tell you. I know this must be totally absurd deeling with a neophite like me.
Are you there?
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Oh, there is a longer(black)slot below the shorter white ones, that is about 5" long at the bottom edge of my board.
Does any of that make sence?
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Ok got good a good desciption from you. From what you say you got one slot in the middle of the motherboard with what is called a riser card. The white slots are PCI and the black slot is an ISA. Starting from the white slot fartest from the mainboard is PCI slot 1 next going toward the mainboard is PCI 2-3-4-5 and the ISA right next to the mainboard, right? In this slot config PCI 4-5 share resources, but if a card is in PCI 5 which have then you cannot use the black ISA slot because if you look on the back end of the slots PCI 5 and the black ISA slot share the same opening on the back of the case. Yes your motherboard has a video chip integrated into it which acts as a video adapter. What is the card in the PCI slot 5? Does it have speakers cables plugged into or a telephone line or does it have what looks like a big phone line recepticle (LAN card) or if anything what is plugged into the card? Post back with this info about the card in PCI 5. By the way i work night so i'm only online between 1:00AM and 6:00AM Detroit Michigan EST time. Looking forward to hearing from you. I'm actually enjoying the challenge you've given me. JMC.
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As for finding out what motherboard you have do this.
1. Open the case.
2. Look on the motherboard you have for the
FCC ID# (part 15) and date with a
copyright symbol before it.
3. go to www.driverguide.com
4. go to the search page where it say if you
don't know the manufacturer then click
here and click on that click here.
5. On the FCC search page there are two
boxes. This is where your date comes in.
6. Enter the FCC ID# and hit enter. If you
get no hits, go back and re-enter your
with the last digit or letter omitted.
7. Once you find your number in the FCC
database look for the grantee listed
(grantee is the manufacturer).
8. Type the manufacturer's name into search
engine sight e.g. www.google.com to
locate the manufacturer's web site.
9. Look for a model # on your motherboard
and use it to search the manufacturer's
site. JMC
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JMC,
I thank you for trying to help me, but I am getting very discouraged.This is very hard to do without you seeing my board. I'm having real trouble understanding. I'll have to talk to a friend locally who might come and look in my computer. I'm sorry to have taken your time, JMC.
You have been very kind to have tried to help me. But this is too cumbersome to do thru messages and it is obvious I am not anywhere near your skill level.
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