Automated register data transfer to reduce processing burden...

Details Automated register data transfer to reduce processing burden... Automated register data transfer to reduce processing burden...

2000-01-31

2008-11-25

Sorrell, Eron J (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C710S005000, C710S022000, C360S055000

Reexamination Certificate

active

07457896

ABSTRACT:
Operating parameters and other read channel registers are updated with a lesser burden on the disc drive's primary processor. After a zone transition event, table values indexed by a zone identifier are retrieved from a memory, preferably by a direct memory access controller. In one method, updates are performed via the same NRZ bus that is used for transmitting user and servo data.

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