IMBA-Q870-i2 ATX MotherboardPage vii4.3 SYSTEM CONFIGURATION ......................................................................................... 684.3.1 AT/ATX Power Mode Setting ........................................................................... 694.3.2 Clear CMOS Button......................................................................................... 694.3.3 Flash Descriptor Security Override................................................................. 704.3.4 mSATA Slot Setup ............................................................................................. 704.3.5 PCIe x16 Interface Setup ................................................................................. 714.3.6 USB Power Select ............................................................................................ 714.4 I NTERNAL PERIPHERAL DEVICE CONNECTIONS ........................................................ 724.4.1 SATA Drive Connection ................................................................................... 724.5 EXTERNAL PERIPHERAL I NTERFACE CONNECTION ................................................... 744.5.1 Audio Connector .............................................................................................. 744.5.2 DVI Display Device Connection...................................................................... 754.5.3 HDMI Display Device Connection .................................................................. 764.5.4 LAN Connection............................................................................................... 774.5.5 PS/2 Keyboard and Mouse Connection ........................................................... 784.5.6 Serial Device Connection ................................................................................ 794.5.7 USB Connection (Dual Connector) ................................................................. 804.5.8 VGA Monitor Connection ................................................................................ 814.6 I NTEL ® AMT SETUP PROCEDURE ............................................................................. 824.7 IPMI SETUP PROCEDURE ......................................................................................... 834.7.1 Managed System Hardware Setup ................................................................... 834.7.2 Using the IEI iMAN Web GUI.......................................................................... 845 BIOS .............................................................................................................................. 865.1 I NTRODUCTION ......................................................................................................... 875.1.1 Starting Setup................................................................................................... 875.1.2 Using Setup ...................................................................................................... 875.1.3 Getting Help..................................................................................................... 885.1.4 Unable to Reboot after Configuration Changes .............................................. 885.1.5 BIOS Menu Bar................................................................................................ 885.2 M AIN ........................................................................................................................ 895.3 ADVANCED ............................................................................................................... 915.3.1 ACPI Settings ................................................................................................... 925.3.2 RTC Wake Settings ........................................................................................... 935.3.3 Trusted Computing ........................................................................................... 94