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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Issue still persists, anyway I thought I'd let you guys know in case someone is thinking about getting one or more of these boards.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>-Drew<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> centos-bounces@centos.org [mailto:centos-bounces@centos.org] <b>On Behalf Of </b>Drew Weaver<br><b>Sent:</b> Tuesday, January 18, 2011 11:42 AM<br><b>To:</b> 'CentOS mailing list'<br><b>Subject:</b> Re: [CentOS] Intel DH67BL + CentOS 5.5 IRQ #177 nobody cared<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><br>There does not appear to be a 'Plug and Play OS' option in the BIOS like on previous Intel motherboards.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I have disabled all of the USB ports except for the rear panel ones and so far it has been running for awhile.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I will see what happens.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>-Drew<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> centos-bounces@centos.org [mailto:centos-bounces@centos.org] <b>On Behalf Of </b>compdoc<br><b>Sent:</b> Tuesday, January 18, 2011 10:57 AM<br><b>To:</b> 'CentOS mailing list'<br><b>Subject:</b> Re: [CentOS] Intel DH67BL + CentOS 5.5 IRQ #177 nobody cared<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>>IRQ 177 nobody cared (try booting with the irqpoll option)<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>>report bad irq, references CPU idle<o:p></o:p></span></p><p class=MsoNormal><b><i><span style='font-family:"Verdana","sans-serif"'><o:p> </o:p></span></i></b></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>>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?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'><br>IRQ177 means you are using APIC, which gives you over 250 interrupts – far more than there were in the olden days. There should be enough that nothing has to share IRQs.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>But even before APIC came along, devices had gotten pretty good at sharing IRQs. <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'>As someone suggested, disable the Plug and Play option in the bios. Try a different brand of Ethernet card?<o:p></o:p></span></p></div></body></html>