Data transfer control device, electronic instrument, program...

Details Data transfer control device, electronic instrument, program... Data transfer control device, electronic instrument, program...

2003-07-24

2008-09-09

Ellis, Kevin (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C710S033000, C710S306000

Reexamination Certificate

active

07424580

ABSTRACT:
Information that is transferred through a bus BUS1(conforming to IEEE 1394) is downloaded into a rewrite area storing device information (such as GUID or config ROM) and data transfer control program information (such as a SBP-2 firmware program), and rewriter processing is performed to write the information into the rewrite area. When it is detected that no device is connected to a bus BUS2(conforming to ATA/ATAPI or IDE), the rewriter processing starts. The detection of whether or not a device is connected to BUS2is based on the result of an access to a register of the device. In a download mode, the information is written into the rewrite area by transferring data to and from a PC connected to BUS1.

REFERENCES:
patent: 5978591 (1999-11-01), Bartholomew et al.
patent: 6115771 (2000-09-01), Born
patent: 6202160 (2001-03-01), Sheikh et al.
patent: 6202209 (2001-03-01), Bartholomew et al.
patent: 2004/0034720 (2004-02-01), Fujita et al.
patent: 2004/0128405 (2004-07-01), Fujita et al.
patent: 2004/0167995 (2004-08-01), Fujita et al.

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