31.
    发明专利
    未知

    公开(公告)号:DE4026911A1

    公开(公告)日:1991-02-28

    申请号:DE4026911

    申请日:1990-08-25

    Applicant: IBM

    Abstract: An apparatus and method for loading BIOS stored on a direct access storage device (62,66) into a personal computer system (10). The personal computer system (10) comprises a system processor (26), a system planar (24), a random access main memory, a read only memory (36), and at least one direct access storage device (62,66). The read only memory (36) includes a first portion of BIOS and data representing the type of system processor (26) and system planar (24) I/O configuration. The first portion of BIOS initializes the system (10) and the direct access storage device (62,66) to read in a master boot record into the system (10) from the direct access storage device (62,66). The master boot record includes a data segment (122-138) and an executable code segment (120). The data segment (122-138) includes data representing system hardware and a system (10) configuration which is supported by the master boot record. The first BIOS portion confirms the master boot record is compatible with the system hardware by verifying that the data from the data segment (122-138) of the master boot record agrees with the system processor (26), system planar (24), and planar I/O configuration. If the master boot record is compatible with the system hardware, the first BIOS portion vectors the system processor (26) to execute the executable code segment (120) of the master boot record. The executable code segment (120) confirms that the system configuration has not changed and loads in the remaining BIOS portion from the direct access storage device (62,66) into random access memory (32). The executable code segment (120) then verifies the authenticity of the remaining BIOS portion and vectors the system processor (26) to begin executing the BIOS now in random access memory (32). BIOS executing in random access memory (32) then boots up the operating system to begin operation of the personal computer system (10).

    INITIAL BIOS LOAD FOR A PERSONL COMPUTER SYSTEM

    公开(公告)号:AU6000090A

    公开(公告)日:1991-02-28

    申请号:AU6000090

    申请日:1990-07-30

    Applicant: IBM

    Abstract: An apparatus and method for loading BIOS stored on a direct access storage device (62,66) into a personal computer system (10). The personal computer system (10) comprises a system processor (26), a system planar (24), a random access main memory, a read only memory (36), and at least one direct access storage device (62,66). The read only memory (36) includes a first portion of BIOS and data representing the type of system processor (26) and system planar (24) I/O configuration. The first portion of BIOS initializes the system (10) and the direct access storage device (62,66) to read in a master boot record into the system (10) from the direct access storage device (62,66). The master boot record includes a data segment (122-138) and an executable code segment (120). The data segment (122-138) includes data representing system hardware and a system (10) configuration which is supported by the master boot record. The first BIOS portion confirms the master boot record is compatible with the system hardware by verifying that the data from the data segment (122-138) of the master boot record agrees with the system processor (26), system planar (24), and planar I/O configuration. If the master boot record is compatible with the system hardware, the first BIOS portion vectors the system processor (26) to execute the executable code segment (120) of the master boot record. The executable code segment (120) confirms that the system configuration has not changed and loads in the remaining BIOS portion from the direct access storage device (62,66) into random access memory (32). The executable code segment (120) then verifies the authenticity of the remaining BIOS portion and vectors the system processor (26) to begin executing the BIOS now in random access memory (32). BIOS executing in random access memory (32) then boots up the operating system to begin operation of the personal computer system (10).

    34.
    发明专利
    未知

    公开(公告)号:BR8801388A

    公开(公告)日:1988-11-01

    申请号:BR8801388

    申请日:1988-03-25

    Applicant: IBM

    Abstract: A computer system and method for operating a computer system capable of running in mutually incompatible real and protected addressing modes, in which programs written for one mode can be run in the other mode without modification. The BIOS assembles two different common data areas for the two modes, each inclusive of device block pointers, function transfer table pointers, data pointers, and function pointers. The common data area for the real mode is assembled first. To assemble the pointers for the protected mode common data area, the offset values from the real mode area are copied directly, and then selector values are inserted whose physical addresses correspond to the segments of the corresponding pointers in the real mode area. The selector values are derived from a segment descriptor table.

    35.
    发明专利
    未知

    公开(公告)号:FR2613093A1

    公开(公告)日:1988-09-30

    申请号:FR8716225

    申请日:1987-11-18

    Applicant: IBM

    Abstract: A computer system and method for operating a computer system capable of running in mutually incompatible real and protected addressing modes, in which programs written for one mode can be run in the other mode without modification. The BIOS assembles two different common data areas for the two modes, each inclusive of device block pointers, function transfer table pointers, data pointers, and function pointers. The common data area for the real mode is assembled first. To assemble the pointers for the protected mode common data area, the offset values from the real mode area are copied directly, and then selector values are inserted whose physical addresses correspond to the segments of the corresponding pointers in the real mode area. The selector values are derived from a segment descriptor table.

    Aktivieren der Steuerung eines Hypervisor in einer Cloud-Datenverarbeitungsumgebung

    公开(公告)号:DE112011101929T5

    公开(公告)日:2013-07-18

    申请号:DE112011101929

    申请日:2011-08-05

    Applicant: IBM

    Abstract: Verfahren zum Aktivieren der Steuerung in einer Cloud-Datenverarbeitungsumgebung beinhaltet das Initialisieren eines Teils von Datenverarbeitungsressourcen, der zum Aktivieren von Diensten für ein Benutzersystem in einer Cloud-Datenverarbeitungsumgebung identifiziert wurde. Das Verfahren kann des Weiteren das Aktivieren von Diensten für das Benutzersystem beinhalten. Des Weiteren kann das Verfahren das Initialisieren eines weiteren Teils der Datenverarbeitungsressourcen beinhalten. Nachdem Dienste in der Cloud-Datenverarbeitungsumgebung aktiviert worden sind, können Cloud-Datenverarbeitungsdienste durch das Host-System einem oder mehreren Benutzersystemen bereitgestellt werden.

    DYNAMIC I/O ALLOCATION IN A PARTITIONED COMPUTER SYSTEM

    公开(公告)号:CA2299550A1

    公开(公告)日:2000-09-30

    申请号:CA2299550

    申请日:2000-02-25

    Applicant: IBM

    Abstract: A system and method for allowing multiple nodes of a multiprocessor system to share a set of I/O devices. A Cabinet Input/output Controller (CI/OC) is provided which manages communications between the multiprocessor system nodes and the common I/O devices, allowing individual nodes to access one or more of its target devices exclusively. Each of the nodes communicates with the CI/OC via a service processor, and the CI/OC interconnects the various I/O devices and a node's USB controller.

    40.
    发明专利
    未知

    公开(公告)号:DE69027167T2

    公开(公告)日:1996-12-12

    申请号:DE69027167

    申请日:1990-07-04

    Applicant: IBM

    Abstract: An apparatus and method for loading BIOS from a diskette drive (66) into a personal computer system (10) normally connected to a fixed disk drive (62). The personal computer system (10) further includes a system processor (26), a random access main memory, a read only memory (36) and a switching means. The switching means generates a signal to indicate a mode for whether BIOS loads from either diskette or disk. In a priority mode, BIOS loads immediately from diskette. In a recovery mode, BIOS loads from diskette after testing the disk subsystem. The read only memory (36) includes a first portion of BIOS and data representing the type of system processor (26) and system planar (24) I/O configuration. The first portion of BIOS initializes the system (10) and queries the switching means. If the fixed disk is not available or the master boot record on the disk is invalid, the first portion of BIOS reads in a master boot record from the diskette drive (66). For either mode, the master boot record includes a data segment (122-138) and an executable code segment (120). The data segment (122-138) includes data representing system hardware and a system configuration which is supported by the master boot record. The first BIOS portion transfers control to the executable code segment (120) which confirms the master boot record is compatible with the system hardware by verifying that the data from the data segment (122-138) of the master boot record agrees with the system processor (26), system planar (24), and planar I/O configuration. If the master boot record is compatible with the system hardware, the executable code segment (120) confirms that the system configuration has not changed and loads in the remaining BIOS portion from the diskette drive (66) into random access memory (32). The executable code segment (120) then verifies the authenticity of the remaining BIOS portion and vectors the system processor (26) to begin executing the BIOS now in random access memory (32). BIOS, executing in random access memory (32), then boots up the operating system to begin operation of the personal computer system (10).

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