Compaq Computer Corporation, Inc.

Hewlett-Packard Development Company, L.p.

Compaq Information Technologies Group, L.p.

Michael S Zandy

George J Scholhamer

William C Galloway

In a computer system having redundant SCSI controllers cards, a SCSI controller interface for receiving multiple interchangeable SCSI controller cards is configured so that the data bus paths between each of the SCSI controller slots and the controller circuitry do not cross.

SCSI connector

In a computer system having redundant power supplies, an I.sup.2 C data bus architecture it utilized to provide communication between the power supplies and other computer peripherals connected to the I.sup.2 C bus. A switch separates the power supplies from the other peripheral devices, such that the switch, when open, isolates the power supplies from the other devices, so that during power-up the power supplies can communicate over the I.sup.2 C bus. When the switch is closed, the switch becomes transparent and connects the peripherals with the power supplies over the I.sup.2 C bus.

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Spring, TX, United States of America

Michael S Zandy