文件名称:
BIOS Boot Specification
开发工具:
文件大小: 179kb
下载次数: 0
上传时间: 2010-09-06
详细说明： Table of Contents 1.0 INTRODUCTION 5 1.1 REVISION HISTORY 5 1.2 RELATED DOCUMENTS 5 1.3 PURPOSE 5 1.4 TERMS 6 2.0 OVERVIEW 9 2.1 DESCRIPTION 9 3.0 IPL DEVICES 10 3.1 REQUIREMENTS FOR IPL DEVICES 10 3.1.1 IPL TABLE 10 3.1.2 PRODUCT NAME STRING 11 3.2 BAIDS 11 3.3 DEVICES WITH PNP EXPANSION HEADERS 11 3.4 LEGACY IPL DEVICES 12 3.5 IDENTIFYING IPL DEVICES 13 3.5.1 BAIDS 14 3.5.2 PNP EXPANSION HEADER 14 3.5.3 PCI DEVICES 14 3.5.4 IDENTICAL IPL DEVICES 15 4.0 IPL PRIORITY 16 4.1 MAINTAINING THE IPL PRIORITY 16 4.2 IPL PRIORITY PSEUDO CODE 18 5.0 BCV PRIORITY 19 5.1 INTRODUCTION 19 5.2 INT 13H DEVICE CONTROLLERS 19 5.2.1 ATA DRIVE SUPPORT IN THE BIOS 19 5.2.2 PNP CARDS WITH BCVS 20 5.2.3 LEGACY CARDS WITH OPTION ROMS 20 5.2.4 HARD DRIVE BAID 20 5.2.5 CONTROLLER INSTALLATION GUIDELINES 20 5.2.6 NOTES ON INT 13H DEVICES 21 5.3 INSTALLATION ORDERING 21 5.4 POST PSEUDOCODE 23 3 6.0 POST SEQUENCE 24 6.1 POWER-ON INITIALIZATION 24 6.1.1 INITIALIZING BAIDS 24 6.1.2 PNP BOOT DEVICES 24 6.2 PNP OPTION ROM INITIALIZATION 24 6.3 CHECK IPL PRIORITY AND BCV PRIORITY 25 6.4 INT 13H DEVICE CONTROLLER INSTALLATION 25 6.4.1 BOOT CONNECTION VECTORS 26 6.4.2 DISCONNECT VECTOR 26 6.4.3 LEGACY ROM SCAN 27 6.4.4 ON-BOARD ATA SUPPORT 27 6.5 INT 19H PROCESSING 27 6.5.1 BOOTING FROM BAIDS 29 6.5.2 BOOTING FROM BEVS 29 6.6 INT 19H PSEUDOCODE 30 6.7 INT 18H PSEUDOCODE 30 6.8 NOTES ON THE POST PROCESS 31 APPENDIX A: DATA STRUCTURES 32 A.1 IPL TABLE AND BCV TABLE ENTRY DATA STRUCTURE 32 A.2 PNP OPTION ROM HEADER 33 A.3 PNP EXPANSION HEADER 33 A.4 PCI DATA STRUCTURE 33 APPENDIX B: RUN-TIME FUNCTIONS (OPTIONAL) 34 FUNCTION 60H - GET VERSION AND INSTALLATION CHECK 35 FUNCTION 61H - GET DEVICE COUNT 36 FUNCTION 62H - GET PRIORITY AND TABLE 37 FUNCTION 63H - SET PRIORITY 38 FUNCTION 64H - GET IPL DEVICE FROM LAST BOOT 39 FUNCTION 65H - GET BOOT FIRST 40 FUNCTION 66H - SET BOOT FIRST 41 APPENDIX C: BOOT MENU (OPTIONAL) 42 C.1 BOOT MENU POP-UP 42 C.2 BOOT MENU INT 19H PSEUDOCODE 42 C.3 BOOT FIRST RUN-TIME FUNCTIONS 42 APPENDIX D: RECOMMENDED BOOT SECTOR CHANGES (OPTIONAL) 43 D.1 USE DL FOR DRIVE NUMBER 43 D.2 INT 18H ON BOOT FAILURE 43 APPENDIX E: PCI WITH MULTIPLE PNP HEADERS (OPTIONAL) 44 E.1 DESCRIPTION 44 E.2 REQUIREMENTS 44 E.3 OPTION ROM INITIALIZATION 44 E.3.1 BEFORE OPTION ROM PLACEMENT 44 E.3.2 PLACING THE PCI OPTION ROM 44 E.3.3 CALLING THE PCI OPTION ROM 45 E.3.4 NO DEVICES PRESENT 45 E.3.5 DEVICES ARE PRESENT 45 E.4 ENUMERATING PNP EXPANSION HEADERS 46 E.5 CALLING THE BCVS ...展开收缩
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