Why don't you use the mother board incorporated NIC? it does have one right? Because the installer doesn't have drivers for the onboard and all of our installs are PXE and in general it removes a lot of confusion by just disabling the onboard NIC and having one single NIC for everything. thanks, -Drew From: "Drew Weaver" <drew.weaver@xxxxxxxxxx> Hello, We have built a couple of CentOS 5.5 systems on the Intel DH67BL (Sandy Bridge) motherboard and overall they work pretty well. I'm having one problem which keeps cropping up and that is an error message that says: IRQ 177 nobody cared (try booting with the irqpoll option) report bad irq, references CPU idle then it references usb_hcd_irq and e1000_intr then it disables the add-on PCI E1000 card and disconnects itself from the network. I'm assuming what is happening here is the USB controller and the add-on E1000 controller we put in are having an old school IRQ conflict, the question is why and how can I avoid it? I have tried disabling all of the extra stuff in the BIOS that I could, and this still happens fairly frequently. Any advice would be great. thanks, -Drew
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