viii
1.13.2
Fan Monitoring ........................................................................................................................ 27
1.13.3
Thermal Solution ................................................................................................................... 28
1.14
Power Management ................................................................................................................................ 29
1.14.1
ACPI ............................................................................................................................................. 29
1.14.2
Hardware Support ................................................................................................................. 31
2
Technical Reference ............................................................................................... 33
2.1
Memory Resources .................................................................................................................................. 33
2.1.1
Addressable Memory ........................................................................................................... 33
2.2
Connectors and Headers....................................................................................................................... 33
2.2.1
Front Panel Connectors ...................................................................................................... 34
2.2.2
Back Panel Connectors ....................................................................................................... 36
2.2.3
USB and I/O Headers ........................................................................................................... 37
2.3
VESA Bracket .............................................................................................................................................. 45
2.4
Power Supply ............................................................................................................................................. 47
2.4.1
Power Supply Connector ................................................................................................... 48
2.4.2
Fan Header Current Capability ......................................................................................... 48
2.5
Reliability ..................................................................................................................................................... 48
2.6
Environmental ........................................................................................................................................... 49
3
Overview of BIOS Features ................................................................................... 51
3.1
Introduction ................................................................................................................................................ 51
3.2
BIOS Flash Memory Organization ..................................................................................................... 51
3.3
System Management BIOS (SMBIOS) .............................................................................................. 51
3.4
Legacy USB Support ............................................................................................................................... 52
3.5
BIOS Updates ............................................................................................................................................. 52
3.5.1
Language Support ................................................................................................................. 53
3.6
BIOS Recovery ........................................................................................................................................... 53
3.7
Boot Options .............................................................................................................................................. 53
3.7.1
Network Boot........................................................................................................................... 53
3.7.2
Booting Without Attached Devices ................................................................................ 54
3.7.3
Changing the Default Boot Device During POST ...................................................... 54
3.7.4
Power Button Menu .............................................................................................................. 55
3.8
Hard Disk Drive Password Security Feature .................................................................................. 56
3.9
BIOS Security Features .......................................................................................................................... 56
3.10
System LED Functionality ..................................................................................................................... 58
4
Error Messages and Blink Codes ......................................................................... 59
4.1
Front-panel Power LED Blink Codes ................................................................................................ 59
4.2
BIOS Error Messages ............................................................................................................................... 59
