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AGP Resource conflict.
Rod Boettger Mar-21-01 01:17 PM
Still trying to get a AGP to work on this computer. Installing Maxtor G450 Millenium on AGP and Windows keeps listing with the big exclamation that the device is conflicting with the resources of another device. In the conflict box there are no devices listed. The PCI card that was running the graphics is uninstalled along with any registry entries and so on. But still upon boot into windows I keep receiving this display error message. I beleive that Windows is assigning the exact same resources to the AGP as it did to the PCI card but it still sees the removed and uninstalled PCI card using these resources. I don't know what to do. I have been on the phone with tech support at both Matrox and Chaintech but no fix. One says change this in bios the other says change it back and neither works. I have the newest VIA Service Pack ver 4.29 installed. In windows under the PCI Bus for IRQ steering it is checkes as from hardware vs. from bios. Could this have anything to do with it. Thanks

1. RE: AGP Resource conflict. [correction]
rcb27405 Mar-21-01 01:21 PM
In response to message 0
Larry that is the Matrox G450 Millenium not Maxtor.

MOBO Chaintech 7ATA
cpu AMD Athlon 950mhz
OS Windows 98 SE
Award Bios.

2. RE: AGP Resource conflict. [correction]
lbyard Mar-21-01 04:30 PM
In response to message 1
If the motherboard has an Award BIOS (most do), in the CMOS Setup, PCI/PnP Configuration, change OS is PnP Aware, or something like that, to Yes and Enable Force update ESCD. Larry

3. RE: AGP Resource conflict. [correction]
rcb27405 Mar-21-01 04:56 PM
In response to message 2
Larry are these the settings you are talking about. These are current settings.

PNP OS Installed Yes
Reset Configuration Data Disabled
Resources Controlled By Auto(ESCD)
IRQ Resources
DMA Resources

Assign IRQ For VGA Enabled*
*Card manufacturer says set to Enabled, MOBO manufacter says try disabled.

What needs to be changed and should I remove old device in device manager prior to shutdown. The new card installation manual says
Step 1 Switch to Standard VGA Display driver
If your running Win 95/98/2000 on your computer,this step isn't necessary.

Step 2 Open computer and remove your existing graphics card.

4. RE: AGP Resource conflict. [correction]
lbyard Mar-21-01 05:47 PM
In response to message 3
I enable the IRQ for most recent AGP display adapters. That probably is not the problem. Try enable reset configuration data. That is what I was thinking of in my last post. It works once during the next boot and sends the O/S all the configuration data. One rarely has to do this and it should tell the O/S what PnP/PCI cards are/not installed. Larry

5. RE: AGP Resource conflict. [correction]
rcb27405 Mar-21-01 10:25 PM
In response to message 4
I tried this and I still receive message that display is conficting with other devices. Upon boot the BIOS did state that ESCD update was successful but when we hit windows we have resource conflicts. I have no problems whatsoever after installing the PCI card.

6. RE: AGP Resource conflict. [correction]
lbyard Mar-22-01 12:52 PM
In response to message 5
LAST EDITED ON Mar-22-01 AT 12:53 PM (GMT)

Then try switching the old card to VGA, removing it, and installing the new one. I have had to do that once or twice. Larry

7. RE: AGP Resource conflict. [correction]
Marc Apr-06-01 11:46 PM
In response to message 6
Move <one> at a time your PCI cards to a different slot, this will sometimes change IRQ and DMA Conflicts, I had to do this to get my AGP to run correctly, Also at boot..Look for what IRQ it is using, it might be sharing Your < IRQ Holder For PCI <


8. RE: AGP Resource conflict. [correction]
rcb27405@bellsouth.net Apr-08-01 01:21 PM
In response to message 7
It was finally determined that the G450 Millenium from Matrox is not compatible with the Chaintech 7ATA motherboard. This is due to the fact that the video card needs the resources that this particular mobo reserves for itself. I appreciate everyone's help with this problem. I went with the Leadtek Winfast Geforce2 MX HH Pro video card <$123.99 from Crazypc.com>. If you want to run dual monitors this is the card to use. It beats the Matrox card hands down plus it is less expensive and is built much better. Again thanks to all.

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