https://community.intel.com/t5/Mobile-and-Desktop-Processors/Problem-with-QX6850/m-p/344735#M11680 <P>I'm new here so if I posted incorrectly, sorry.</P><P></P><P>Here's my issue. I had to replace my motherboard recent (bad capacitor). I received the replacement and installed it (same as the previous one). Every time I try to boot XP or Vista (on different drives) the system restarts. I tracked the issue back to the QX6850. If I only have cores 0 and 1 enabled everything works. If I enable any combination with cores 2 or 3 the system restarts at OS loading.</P><P></P><P>My list of troubleshooting steps is long but I'm not including them to pervent ruling out fix that I might have overlooked.</P> Sat, 26 Sep 2009 06:26:44 GMT idata 2009-09-26T06:26:44Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Problem-with-QX6850/m-p/344735#M11680 <P>I'm new here so if I posted incorrectly, sorry.</P><P></P><P>Here's my issue. I had to replace my motherboard recent (bad capacitor). I received the replacement and installed it (same as the previous one). Every time I try to boot XP or Vista (on different drives) the system restarts. I tracked the issue back to the QX6850. If I only have cores 0 and 1 enabled everything works. If I enable any combination with cores 2 or 3 the system restarts at OS loading.</P><P></P><P>My list of troubleshooting steps is long but I'm not including them to pervent ruling out fix that I might have overlooked.</P> Sat, 26 Sep 2009 06:26:44 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Problem-with-QX6850/m-p/344735#M11680 idata 2009-09-26T06:26:44Z