Method and system for capturing data to create Serial ATA...

Details Method and system for capturing data to create Serial ATA... Method and system for capturing data to create Serial ATA...

2005-12-06

2005-12-06

Wachsman, Hal (Department: 2857)

Data processing: measuring, calibrating, or testing

Testing system

Including specific communication means

C702S066000, C702S067000

Reexamination Certificate

active

06973407

ABSTRACT:
The present invention provides a method for capturing data suitable for creating a Serial ATA eye diagram. A Serial ATA host controller including a first and a second Serial ATA ports is powered up, where receive lines of the first Serial ATA port are short-circuited to receive lines of the second Serial ATA port, and the first Serial ATA port is communicatively coupled to a Serial ATA drive. An initialization pattern from the Serial ATA drive is received by the first and the second Serial ATA ports. An ALIGN/SYNC pattern is transmitted over transmit lines of the second Serial ATA port. Data transmitted over the transmit lines of the second Serial ATA port is captured using a high impedance differential probe and an oscilloscope. The captured data may be used to create a Serial ATA eye diagram for the second Serial ATA port on the oscilloscope.

REFERENCES:
patent: 6871152 (2005-03-01), Nygaard, Jr.
patent: 6909980 (2005-06-01), Fernando
patent: 2004/0215421 (2004-10-01), Schmitz et al.

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