Electrical computers and digital processing systems: support – Clock – pulse – or timing signal generation or analysis – Correction for skew – phase – or rate
Reexamination Certificate
2008-05-13
2008-05-13
Trujillo, James K. (Department: 2116)
Electrical computers and digital processing systems: support
Clock, pulse, or timing signal generation or analysis
Correction for skew, phase, or rate
C713S400000
Reexamination Certificate
active
07373541
ABSTRACT:
Broadly speaking, an apparatus and associated method of operation is provided for controlling alignment signal transmission in an electronic communication process. More specifically, a programmable control is provided for controlling transmission of alignment signals in either a Serial Attached SCSI (SAS) or Serial ATA (SATA) communication process. The programmable control includes a counter operated to sequentially modify a count value. When the count value is equal to a programmed alignment trigger value, the programmable control is configured to generate and transmit an alignment signal through the initiator transceiver to the target transceiver. Thus, the apparatus and associated method of operation controls a rate at which alignment signals are transmitted in a SAS/SATA communication process.
REFERENCES:
patent: 6480593 (2002-11-01), Munday et al.
patent: 2004/0019432 (2004-01-01), Sawafta et al.
patent: 2004/0120353 (2004-06-01), Kim et al.
patent: 2004/0137952 (2004-07-01), Umesh et al.
patent: 2005/0089012 (2005-04-01), Martin et al.
patent: 2005/0188123 (2005-08-01), Chen
patent: 2006/0117189 (2006-06-01), Chiu et al.
ISCSI specification, retrieved from http://tools.ietf.org/html/draft-ietf-ips-iscsi-20, retrieved on Sep. 21, 2007.
Packer John
Stenfort Ross
Adaptec, Inc.
Martine & Penilla & Gencarella LLP
Rahman Fahmida
Trujillo James K.
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