Control unit with PCI and SCSI buses and computing system with electronic semiconductor disk
First Claim
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1. An electronic semiconductor disk, comprising:
- a PCI bus; and
a semiconductor memory connected to the PCI bus;
an adapter connected with the PCI bus, the adapter interfacing the PCI bus with a SCSI bus interface, wherein the adapter is programmed to receive requests via the SCSI bus interface including disk drive commands to read and write data at specified locations on a disk drive, and to access the semiconductor memory via the PCI bus to read and write the data in the semiconductor memory at memory addresses corresponding to the specified locations in the received disk drive commands.
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Abstract
Use of a control unit with PCI bus and SCSI bus with program equipment for the electronic semiconductor disk of a computing system. The electronic semiconductor disk includes a processor and semiconductor memory, selected from a group comprising dynamic memory, synchronous dynamic memory, static memory and flash type memory. A computing system with electronic semiconductor disk with processor, where this processor is connected by a PCI bus to a PCI adapter, which is linked through the PCI bus to a semiconductor memory, connected by the local bus to a processor. The PCI adapter comprises a unit of the programmable SCSI control unit, connected both to the interface of the PCI bus for communicating with the electronic semiconductor disk, and to the interface of the SCSI bus for communicating with the external computing system with the SCSI control unit.
57 Citations
50 Claims
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1. An electronic semiconductor disk, comprising:
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a PCI bus; and a semiconductor memory connected to the PCI bus; an adapter connected with the PCI bus, the adapter interfacing the PCI bus with a SCSI bus interface, wherein the adapter is programmed to receive requests via the SCSI bus interface including disk drive commands to read and write data at specified locations on a disk drive, and to access the semiconductor memory via the PCI bus to read and write the data in the semiconductor memory at memory addresses corresponding to the specified locations in the received disk drive commands. - View Dependent Claims (2, 3, 4)
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5. An electronic semiconductor disk, comprising:
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a semiconductor memory; a first processor connected by a PCI bus to a PCI adapter, the PCI adapter being a PCI bus controller linked through the PCI bus to the semiconductor memory of the electronic semiconductor disk; a local bus for connecting the semiconductor memory to the first processor, wherein the PCI adapter of the electronic semiconductor disk includes; a programmable SCSI control unit, connected both to an interface of the PCI bus for communicating with the semiconductor memory, and to an interface of a SCSI bus for communicating with an external computing system using the programmable SCSI control units, wherein the programmable SCSI control unit is programmed to receive requests via the SCSI bus including disk drive commands to read and write data at specified locations on a disk drive, and to access the semiconductor memory via the PCI bus to read and write the data in the semiconductor memory at memory addresses corresponding to the specified locations in the received disk drive commands. - View Dependent Claims (6, 7, 8, 9, 10)
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11. Apparatus configured as an electronic semiconductor disk for storing data, comprising:
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a semiconductor memory; a PCI bus connected to the semiconductor memory; and a PCI bus controller of the PCI bus having a host bus interface, and being configured to operate as a target device of a host computer via the host bus interface, wherein the PCI bus controller receives requests via the host bus interface including disk drive commands to read and write data at specified locations on a disk drive, and accesses the semiconductor memory via the PCI bus to read and write data in the semiconductor memory at memory addresses corresponding to the specified locations in the received disk drive commands. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. Apparatus for storing data comprising:
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a semiconductor memory; a PCI bus connected to the semiconductor memory; a PCI bus controller of the PCI bus having a SCSI bus interface, and being configured to operate as a SCSI target device, wherein the PCI bus controller receives requests via the SCSI bus interface including disk drive commands to read and write data at specified locations on a disk drive, and accesses the semiconductor memory via the PCI bus to read and write data in the semiconductor memory at memory addresses corresponding to the specified locations in the received disk drive commands; and a central processing unit connected to the semiconductor memory via a local bus. - View Dependent Claims (27)
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28. Apparatus configured as an electronic semiconductor disk, comprising:
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a semiconductor memory; an adapter for interfacing a first industry standard bus of the apparatus with a second industry standard bus of a host computer; and a processor programmed to detect an operating system platform of the host computer, and to program the adapter for use as a target mode device of the operating system platform of the host computer for direct access of the semiconductor memory by the host computer, such that the adapter receives, on the second industry standard bus, disk drive commands to read and write data at specified locations on a disk drive, and accesses the semiconductor memory via the first industry standard bus to read and write data in the semiconductor memory at memory addresses corresponding to the specified locations in the received disk drive commands. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35)
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36. Method performed by an electronic semiconductor disk for storing data in the electronic semiconductor disk, the electronic semiconductor disk being connected to a host bus of a standardized host architecture, the method comprising:
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placing an adapter of the electronic semiconductor disk, connected to the host bus, into a target mode of operation; determining an interface protocol of the host and adaptively coupling the electronic semiconductor disk to the host interface protocol; receiving disk drive commands requesting access to data at specified locations on a disk drive according to the host interface protocol via the adapter; and accessing data in the semiconductor memory via an industry standard bus in response to the disk drive commands using memory addresses corresponding to the specified locations in the received disk drive commands. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. An electronic semiconductor disk, comprising:
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a processor; a standard disk drive interface connected to the processor and that communicates with a host device to receive disk drive commands, including commands to read and write data at specified locations on a disk drive; a bus; a semiconductor memory connected to the bus; and wherein the processor receives commands and data through the standard disk drive interface and accesses the semiconductor memory through the bus to read and write data in the semiconductor memory at memory addresses corresponding to the specified locations in the disk drive commands received from the host device.
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Specification
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Current AssigneeSolid Access Technologies LLC
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Original AssigneeSolid Access Technologies LLC
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InventorsBelonoznik, Jaroslav
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Primary Examiner(s)Rinehart; Mark
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Assistant Examiner(s)Cerullo; Jeremy S
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Application NumberUS10/944,895Publication NumberTime in Patent Office1,974 DaysField of Search710/315, 710300-304US Class Current710/315CPC Class CodesG06F 13/385 for adaptation of a particu...
