Physical-to-logical bus mapping scheme for computer systems havi

Details Physical-to-logical bus mapping scheme for computer systems havi Physical-to-logical bus mapping scheme for computer systems havi

1996-08-30

1998-06-02

Auve, Glenn A.

395308, G06F 1340

Patent

active

057614482

ABSTRACT:
A Plug-and-Play (PnP) configuration driver initilization routine and PnP configuration utility for use in PCI bus architectures supporting dynamic I/O bus configurations. The PnP configuration driver includes a logical-to-physical PCI bus mapping scheme maintaining a PCI bus mapping table, and creating a logical-to-physical map table at start-of-day. PCI device drivers access devices through the logical bus numbers, thereby avoiding errors resulting when physical bus numbers change as a result of the addition or removal of buses within a computer system supporting dynamic I/O bus configurations.

REFERENCES:
patent: 5220654 (1993-06-01), Benson et al.
patent: 5321814 (1994-06-01), Barajas et al.
patent: 5446869 (1995-08-01), Padgett et al.
patent: 5524269 (1996-06-01), Hamilton et al.
patent: 5542055 (1996-07-01), Amini et al.

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