Patent ID: 7237050
Filing Date: 2007-06-26
Classification: G06F,H04L

Abstract:
1. A multi-channel serial advanced technology attachment (SATA) control system to control data access of a hard disk, comprising: a first SATA control module to control the hard disk to perform data access operation; a first access-grant arbitration unit located in the first SATA control module; a second SATA control module connecting to the first SATA control module to control the hard disk to perform a data access operation; a second access-grant arbitration unit located in the second SATA control module to perform an arbitration process with the first access-grant arbitration unit, and generate a selection signal based on the result of the arbitration process; and a path selection module connecting to the first SATA control module and the second SATA control module, and switching data transmission paths according to the selection signal to allow the first SATA control module or the second SATA control module to control the data access operation of the hard disk, wherein the first SATA control module further includes: