| 摘要 |
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.
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