TroubleshootingTroubleshooting by symptomPerformance problemsPerformance problemsUse this information to solve performance problemsNetwork adaptors plugged into I/O expansion connectors 3 or 4 exhibit slow performance.PCIe connectors 3 and 4 only have 1 x 8 PCIe lanes. This creates a problem for cards that require 2 x 8 lanes. Not all cards are supported in connectors 3 and 4.Poor or slow network performanceUse this information to troubleshoot poor or slow network performance.Poor or slow Operating System performanceUse this information to troubleshoot Operating System performance issues.Give documentation feedback