User ManualTable of ContentsOverview1Checklist1Motherboard Features1Chipset Overview .1Features of the LGA 1366 Processor and the X581PC Health Monitoring1Recovery from AC Power Loss1Onboard Voltage Monitoring1Fan Status Monitor with Software1CPU Overheat LED and Control1Power Configuration Settings1Slow Blinking LED for Suspend-State Indicator1BIOS Support for USB Keyboard1Main Switch Override Mechanism1Power Supply1Super I/O1Static-Sensitive Devices2Precautions2Unpacking2Processor and Heatsink Installation2Installing an Active Fan CPU Heatsink2Installing a Passive CPU Heatsink2Mounting the Motherboard into the Chassis2Tools Needed2Installing and Removing the Memory Modules2Connectors/IO Ports2Back Panel Connectors and IO Ports2ATX PS/2 Keyboard and PS/2 Mouse Ports2Universal Serial Bus (USB)2Ethernet Ports2High Definition Audio (HDA)2CD-Input and FP Audio Headers2Front Panel Audio Control2S/PDIF_Out Connector2Serial Ports2Serial ATA Ports2Front Control Panel2Front Control Panel Pin Definitions2NMI Button2HDD LED2NIC1/NIC2 LED Indicators2Overheat (OH)/Fan Fail LED2Power Fail LED2Reset Button2Power Button2Connecting Cables24-Pin Auxiliary Power Connector2Fan Headers2Internal Buzzer2Speaker2Overheat/Fan Fail LED (JOH1)2Chassis Intrusion2Power Supply I2C Connector2Onboard Power LED21394a_1/1394a_2 Connections2T-SGPIO 0/1 Headers2Wake-On-Ring2Wake-On-LAN2Jumper Settings2Explanation of Jumpers2LAN Port Enable/Disable2CMOS Clear2Watch Dog Enable/Disable2SMB to PCI-X/PCI-E Slots Speeds2IEEE 1394a Enable2Audio Enable .2USB Wake-Up2Onboard Indicators2LAN Port LEDs2Onboard Power LED2Serial ATA and Floppy Drive Connections2SATA Connectors2Floppy Connector2About This Motherboard3Manual Organization3Troubleshooting Procedures3Before Power On3No Power3No Video3Memory Errors3Losing the System’s Setup Configuration3Technical Support Procedures3Frequently Asked Questions3Returning Merchandise for Service3Conventions Used in the Manual:4Introduction4Starting BIOS Setup Utility4How To Change the Configuration Data4Starting the Setup Utility4Main Setup4Advanced Setup Configurations4Security Settings4Boot Configuration4Exit Options4Contacting Supermicro5Size: 7.84 MBPages: 103Language: EnglishOpen manual