v
3.3 System Memory ................................................................................. 23
3.4 I/O Port Address Map ........................................................................ 24
3.5 Interrupt Controller (IRQ) Map ......................................................... 25
3.6 Memory Map ...................................................................................... 28
Chapter 4 AMI BIOS Setup Utility .......................... 29
4.1 Starting ............................................................................................... 29
4.2 Navigation Keys ................................................................................ 29
4.3 Main Menu .......................................................................................... 31
4.4 Advanced Menu ................................................................................. 32
4.5 Chipset Menu ..................................................................................... 42
4.6 Security Menu .................................................................................... 50
4.7 Boot Menu .......................................................................................... 51
4.8 Save & Exit Menu .............................................................................. 52
Appendix A I/O Boards (Optional) ............................. 55
A.1 AX93275 Specifications .................................................................... 55
A.2 AX93275 Dimensions and Fixing Holes .......................................... 55
A.3 AX93275 Board Layout ..................................................................... 56
A.4 AX93275 Assembly Drawing ............................................................ 57
A.5 AX93275 Jumper Settings ................................ ................................ 58
A.5.1 COM1 Data/Power Selection (JP1) ........................................................... 58
A.6 AX93275 Connectors, Switches and LED ....................................... 59
A.6.1 Power Connector (CN1) ............................................................................ 59
A.6.2 High Speed Board to Board Connectors (CN2 and CN3) ......................... 60
A.6.3 COM2 Connector (CN4) ............................................................................ 62
A.6.4 System Power Switch (CN5) ..................................................................... 62
A.6.5 VGA and COM1 D-Sub Connector (CN6A and CN6B) ............................. 63
A.6.6 USB 3.0 Stack Connectors (CN7 and CN8) .............................................. 64
A.6.7 Audio Jack (CN9) ...................................................................................... 64
A.6.8 System Reset Switch (CN10) .................................................................... 64
A.6.9 Power and HDD LED Indicator (D6) ......................................................... 64
A.7 AX93276 Specifications .................................................................... 65
A.8 AX93276 Dimensions and Fixing Holes .......................................... 65
A.9 AX93276 Board Layout ..................................................................... 66
A.10 AX93276 Assembly Drawing ............................................................ 67
A.11 AX93276 Jumper Settings ................................ ................................ 68
A.11.1 COM1 Data/Power Selection (JP1) ........................................................... 68
A.12 AX93276 Connectors, Switches and LED ....................................... 69
A.12.1 Power Connector (CN1) ............................................................................ 69