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    2.
    发明专利
    未知

    公开(公告)号：DE69604294T2

    公开(公告)日：2000-04-27

    申请号：DE69604294

    申请日：1996-05-03

    Applicant: IBM ,  IBM DEUTSCHLAND INFORMATIONSSY

    Inventor： COHEN ARIEL ,  HOLLAND WILLIAM ,  LOGAN JOSEPH ,  PARASH AVI

    IPC: G06F13/36 ,  G06F13/14 ,  G06F15/177 ,  G06F15/16

    Abstract: An adapter or add-in card for using in a peripheral component interconnect (PCI) computer includes a universal module which couples the card to the PCI bus. The module includes a set of selectively programmable configuration registers which are loaded by a microprocessor on the adapter. A circuit arrangement on the module issues a command which inhibits the PCI processor from accessing the configuration registers until fully loaded.

    3.
    发明专利
    未知

    公开(公告)号：DE69604294D1

    公开(公告)日：1999-10-21

    申请号：DE69604294

    申请日：1996-05-03

    Applicant: IBM ,  IBM DEUTSCHLAND INFORMATIONSSY

    Inventor： COHEN ARIEL ,  HOLLAND WILLIAM ,  LOGAN JOSEPH ,  PARASH AVI

    IPC: G06F13/36 ,  G06F13/14 ,  G06F15/177 ,  G06F15/16

    Abstract: An adapter or add-in card for using in a peripheral component interconnect (PCI) computer includes a universal module which couples the card to the PCI bus. The module includes a set of selectively programmable configuration registers which are loaded by a microprocessor on the adapter. A circuit arrangement on the module issues a command which inhibits the PCI processor from accessing the configuration registers until fully loaded.

    EXTENSION CARD WITH SWITCHED ON/OFF ROM EXTENSION FOR PCI BUS COMPUTERS
    4.
    发明专利
    EXTENSION CARD WITH SWITCHED ON/OFF ROM EXTENSION FOR PCI BUS COMPUTERS 未知

    公开(公告)号：PL323387A1

    公开(公告)日：1998-03-30

    申请号：PL32338796

    申请日：1996-05-03

    Applicant: IBM

    Inventor： COHEN ARIEL ,  HOLLAND WILLIAM GAVIN ,  LOGAN JOSEPH FRANKLIN ,  PARASH AVI

    IPC: G06F13/36 ,  G06F12/06 ,  G06F13/14 ,  G06F15/16

    Abstract: An adapter or add-in card for use in a peripheral component interconnect (PCI) computer includes a universal module which couples the card to the PCI bus. The module includes a set of selectively programmable configuration registers which are loaded by a microprocessor on the adapter. A circuit arrangement on the module issues a command which inhibits the PCI processor from accessing the configuration registers until fully loaded. Another circuit arrangement presents the Expansion ROM base address register as a 'read/write' register or a read only register with all bits set to logical "0 " to the PCI computer. If the Expansion ROM base address register is presented as a read only register with all bits set to "0 ", the PCI computer concludes that no Expansion ROM exists on the add-in card, and its contents are not shadowed into the memory of the PCI computer. This disabling of the Expansion ROM causes memory space to be conserved in the computer. If the Expansion ROM is presented as a read/write register with non-zero values, the PCI computer concludes that an Expansion ROM exists and "shadows" its contents into the memory of the PCI computer.

    METHOD OF AND INTERFACE SUBSYSTEM FOR CONNECTING AN EXPANSION CARD TO A COMPUTER SYSTEM
    5.
    发明专利
    METHOD OF AND INTERFACE SUBSYSTEM FOR CONNECTING AN EXPANSION CARD TO A COMPUTER SYSTEM 未知

    公开(公告)号：PL183127B1

    公开(公告)日：2002-05-31

    申请号：PL34769796

    申请日：1996-05-03

    Applicant: IBM

    Inventor： COHEN ARIEL ,  HOLLAND WILLIAM G ,  LOGAN JOSEPH F ,  PARASH AVI

    IPC: G06F13/36 ,  G06F12/06 ,  G06F13/14 ,  G06F9/44 ,  G06F15/177

    Abstract: An adapter or add-in card for use in a peripheral component interconnect (PCI) computer includes a universal module which couples the card to the PCI bus. The module includes a set of selectively programmable configuration registers which are loaded by a microprocessor on the adapter. A circuit arrangement on the module issues a command which inhibits the PCI processor from accessing the configuration registers until fully loaded. Another circuit arrangement presents the Expansion ROM base address register as a 'read/write' register or a read only register with all bits set to logical "0 " to the PCI computer. If the Expansion ROM base address register is presented as a read only register with all bits set to "0 ", the PCI computer concludes that no Expansion ROM exists on the add-in card, and its contents are not shadowed into the memory of the PCI computer. This disabling of the Expansion ROM causes memory space to be conserved in the computer. If the Expansion ROM is presented as a read/write register with non-zero values, the PCI computer concludes that an Expansion ROM exists and "shadows" its contents into the memory of the PCI computer.

    EXTENSION CARD WITH SWITCHED ON/OFF ROM EXTENSION FOR PCI BUS COMPUTERS
    8.
    发明专利
    EXTENSION CARD WITH SWITCHED ON/OFF ROM EXTENSION FOR PCI BUS COMPUTERS 未知

    公开(公告)号：PL182189B1

    公开(公告)日：2001-11-30

    申请号：PL32338796

    申请日：1996-05-03

    Applicant: IBM

    Inventor： COHEN ARIEL ,  HOLLAND WILLIAM G ,  LOGAN JOSEPH F ,  PARASH AVI

    IPC: G06F13/36 ,  G06F12/06 ,  G06F13/14 ,  G06F15/177

    Abstract: An adapter or add-in card for use in a peripheral component interconnect (PCI) computer includes a universal module which couples the card to the PCI bus. The module includes a set of selectively programmable configuration registers which are loaded by a microprocessor on the adapter. A circuit arrangement on the module issues a command which inhibits the PCI processor from accessing the configuration registers until fully loaded. Another circuit arrangement presents the Expansion ROM base address register as a 'read/write' register or a read only register with all bits set to logical "0 " to the PCI computer. If the Expansion ROM base address register is presented as a read only register with all bits set to "0 ", the PCI computer concludes that no Expansion ROM exists on the add-in card, and its contents are not shadowed into the memory of the PCI computer. This disabling of the Expansion ROM causes memory space to be conserved in the computer. If the Expansion ROM is presented as a read/write register with non-zero values, the PCI computer concludes that an Expansion ROM exists and "shadows" its contents into the memory of the PCI computer.

    9.
    发明专利
    未知

    公开(公告)号：DE69602091D1

    公开(公告)日：1999-05-20

    申请号：DE69602091

    申请日：1996-05-03

    Applicant: IBM DEUTSCHLAND INFORMATIONSSY

    Inventor： COHEN ARIEL ,  HOLLAND WILLIAM ,  LOGAN JOSEPH ,  PARASH AVI

    IPC: G06F13/36 ,  G06F12/06 ,  G06F13/14

    Abstract: An adapter or add-in card for use in a peripheral component interconnect (PCI) computer includes a universal module which couples the card to the PCI bus. The module includes a set of selectively programmable configuration registers which are loaded by a microprocessor on the adapter. A circuit arrangement on the module issues a command which inhibits the PCI processor from accessing the configuration registers until fully loaded. Another circuit arrangement presents the Expansion ROM base address register as a 'read/write' register or a read only register with all bits set to logical "0 " to the PCI computer. If the Expansion ROM base address register is presented as a read only register with all bits set to "0 ", the PCI computer concludes that no Expansion ROM exists on the add-in card, and its contents are not shadowed into the memory of the PCI computer. This disabling of the Expansion ROM causes memory space to be conserved in the computer. If the Expansion ROM is presented as a read/write register with non-zero values, the PCI computer concludes that an Expansion ROM exists and "shadows" its contents into the memory of the PCI computer.

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