Optical disk drive control apparatus

Details Optical disk drive control apparatus Optical disk drive control apparatus

2005-10-18

2005-10-18

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C710S016000, C710S017000, C710S018000, C710S038000

Reexamination Certificate

active

06957282

ABSTRACT:
An optical disk drive control apparatus, which enables the operation of the optical disk drive during the power-off state or a power-saving mode (low-power suspend mode), is provided. The notebook computer comprises an other-function chip with idle pins. The idle pins are connected to the optical disk drive via signal lines to control the operation of the optical disk drive. Moreover, in order to detect control signals transmitted from the other-function chip, a signal-processing device can be used to converting the control signals to be compliant with the ATAPI standard. Alternative ways, like setting up a protocol for the other-function chip and the optical disk drive and table lookup, also enable the control signals from the standard interface to be detected without an additional signal transformation procedure.

REFERENCES:
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patent: 5910933 (1999-06-01), Moore
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patent: 6711631 (2004-03-01), Chan et al.
patent: 2002/0052990 (2002-05-01), Chan et al.
patent: 09006501 (1997-01-01), None

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