Technique for supporting semi-compliant PCI devices behind a PCI

Details Technique for supporting semi-compliant PCI devices behind a PCI Technique for supporting semi-compliant PCI devices behind a PCI

1997-08-07

1999-03-02

Sheikh, Ayaz R.

395309, 395828, 39518312, G06F 130, G06F 1340

Patent

active

058782389

ABSTRACT:
Method and apparatus for detecting the presence of a semi-compliant PCI device in a secondary expansion slot of a PC and instructing the user to reinsert the device into one of the primary slots are disclosed. In one embodiment, upon detection of a semi-compliant PCI device in a secondary slot, a video image instructing the user to reinsert the device into one of the primary slots is displayed on a display of the PC. Operation remains suspended until the device is relocated to a primary slot. In a presently preferred embodiment, a hardware enhancement to a PCI-to-PCI bridge connecting a primary PCI bus to a secondary BCI bus enables the device to operate flawlessly on the secondary PCI bus, such that the user remains unaware of the otherwise undesirable situation.

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