[특허]Electronic hot connection of disk drive module to computer peripheral bus

Electronic hot connection of disk drive module to computer peripheral bus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-003/00
출원번호	US-0778446 (1991-10-16)
발명자 / 주소	Blackborow Richard J. (Cupertino CA) Brooks John (San Jose CA) Appelbaum Jeffery H. (San Mateo CA) Yeung Garrick (San Jose CA) Dani Faheem (San Jose CA) Glassburn Tim R. (Milpitas CA)
출원인 / 주소	Quantum Corporation (Milpitas CA 02)
인용정보	피인용 횟수 : 51 인용 특허 : 0

초록 ▼

A mass storage subsystem is connectable to a host computer via a host adapter and includes a subsystem bus extending from the host adapter to at least one base unit and a removable disk drive cartridge for use with the base unit. A control signal path extends between the base unit and the removable disk drive cartridge when it is installed and connected within the base unit. The disk drive cartridge includes a housing, at least one storage disk rotatably mounted within the housing, at least one data transducer head within the housing and positionable by a head positioner at selected concentric data storage tracks defined on a storage surface of the storage disk. A bus interface circuit is provided for directly connecting to the subsystem bus when the cartridge is installed and connected within the base unit, and a cartridge controller is provided for controlling operations of the bus interface circuit and the head positioner and for communicating with the base unit via the control signal path. The base unit comprises a disk cartridge receiving structure for receiving and connecting the disk drive cartridge, a stand-in interface circuit connected to the subsystem bus means for presenting an active and “drive not ready”disk cartridge appearance to the subsystem bus when the disk drive cartridge is not installed and connected within the base unit, and a base unit controller including a cartridge control for controlling operations of the disk cartridge receiving structure, and a stand-in interface control for communicating with the cartridge controller via the control signal path and for thereupon controlling stand-in operation of the stand-in interface circuit.

대표청구항 ▼

In a data storage subsystem including a removable hard disk drive module including a bus-level interface circuit means and a base unit for automatically loading and unloading the hard disk drive module in response to control signals received from a host computer to which the base unit is connected via a host bus adapter, a method for passing between the module and the base unit of an electrical appearance of the data storage subsystem to the computer at a predetermined logical address, the method comprising the steps of: presenting via a stand-in interface circuit means of the base unit an active electrical “drive not ready”appearance to the host computer at the predetermined logical address when the drive module is not loaded and ready for data transfer operations, determining at the base unit when the drive module becomes loaded and ready for data transfer operations and thereupon activating the bus-level interface circuit means of the drive module at the predetermined logical address and disabling the stand-in interface circuit means, and determining at the base unit when the drive module is about to be unloaded and thereupon activating the stand-in interface circuit means at the predetermined logical address and disabling the appearance of the bus-level interface circuit means of the drive module at the predetermined logical address.

이 특허를 인용한 특허 (51)

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Pione, Anthony E.; Andrews, Richard M., Data flow control and bridging architecture enhancing performance of removable data storage systems.
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Pione, Anthony E.; Andrews, Richard M., Data flow control and bridging architecture enhancing performance of removable data storage systems.
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Pione, Anthony E.; Andrews, Richard M., Data flow control and bridging architecture enhancing performance of removable data storage systems.
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Pione, Anthony E.; Andrews, Richard M., Data flow control and bridging architecture enhancing performance of removable data storage systems.
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Pione,Anthony E.; Andrews,Richard M., Data flow control and bridging architecture enhancing performance of removable data storage systems.
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Ulbrich Stephen F. (Anaheim Hills CA), Frequency stability bootstrapped current mirror.
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Roganti Adriano ; Wille Thomas ; Smith Ronald Bruce ; Basco Jose Platon, High density RAID subsystem with highly integrated controller.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Electronic hot connection of disk drive module to computer peripheral bus 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (51)

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연합인증

Electronic hot connection of disk drive module to computer peripheral bus 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (51)

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