Daisy chained ATA host controllers in a single PCI device

Details Daisy chained ATA host controllers in a single PCI device Daisy chained ATA host controllers in a single PCI device

2006-05-23

2006-05-23

Auve, Glenn A. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

C710S315000, C710S074000

Reexamination Certificate

active

07051134

ABSTRACT:
Implementing daisy chained ATA host controllers in a single PCI device. The present invention discloses a PCI card that includes a plurality of dominant chips, each of the dominant chips supporting at least one ATA host controller. The PCI card also includes a Flash memory for holding dominant chip settings, an arbiter to control and determine access between the dominant chips and the PCI local bus, and a plurality of ATA connectors corresponding to the ATA host controllers. Each dominant chip includes a byte of memory reserved as a mask to control access to an additional function that may be provided by the dominant chip.

REFERENCES:
patent: 6792505 (2004-09-01), Otterness et al.
patent: 6854045 (2005-02-01), Ooi et al.
patent: 2004/0019709 (2004-01-01), Bissessur et al.
patent: 2004/0083325 (2004-04-01), Rabinovitz et al.
patent: 2004/0243386 (2004-12-01), Stolowitz et al.
Serial ATA 2 Internal Ports, 1 Parallel ATA PCI Card product advertisement; URL: http://tekgems.com/Products/MJ-SATA-PCI-PRL.htm, undated, accessed Jun. 8, 2005.
PCI Local Bus Specification (Revision 2.3 Oct. 31, 2001) Chapter 3 Bus Operation (p. 21-112) Chapter 6 Configuration Space (p. 193-225).

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