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Contents
3 Overview of BIOS Features
3.1 Introduction ..................................................................................................................95
3.2 BIOS Flash Memory Organization ...............................................................................96
3.3 Resource Configuration ...............................................................................................96
3.3.1 PCI Autoconfiguration....................................................................................96
3.3.2 PCI IDE Support............................................................................................96
3.4 System Management BIOS (SMBIOS) ........................................................................97
3.5 Legacy USB Support....................................................................................................97
3.6 BIOS Updates ..............................................................................................................98
3.6.1 Language Support.........................................................................................98
3.6.2 Custom Splash Screen..................................................................................98
3.7 Boot Options ................................................................................................................99
3.7.1 CD-ROM Boot ...............................................................................................99
3.7.2 Network Boot.................................................................................................99
3.7.3 Booting Without Attached Devices ................................................................99
3.7.4 Changing the Default Boot Device During POST..........................................99
3.8 Fast Booting Systems with Intel
®
Rapid BIOS Boot...................................................100
3.8.1 Peripheral Selection and Configuration.......................................................100
3.8.2 Intel Rapid BIOS Boot .................................................................................100
3.9 BIOS Security Features .............................................................................................101
4 Error Messages and Beep Codes
4.1 BIOS Error Messages ................................................................................................103
4.2 Port 80h POST Codes ...............................................................................................105
4.3 Bus Initialization Checkpoints ....................................................................................109
4.4 Speaker .....................................................................................................................110
4.5 BIOS Beep Codes......................................................................................................110
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