Storage system, and storage control method

Details Storage system, and storage control method Storage system, and storage control method

2006-03-27

2008-08-05

Myers, Paul R. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S306000, C712S207000, C711S147000, C711S137000, C711S162000

Reexamination Certificate

active

07409486

ABSTRACT:
A protocol chip and a bridge are connected to a first bus, while the bridge and a micro processor (MP) are connected to a second bus. The MP generates parameter information and writes it into a local memory (LM), and issues a write command which includes access destination information to this parameter information to a protocol chip. The bridge pre-fetches the parameter information from the LM using the access destination information within the write command which is transferred to the protocol chip via itself, and when receiving a read command from the protocol chip, transmits the parameter information which has been pre-fetched to the protocol chip via the first bus, without passing the read command through to the MP.

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