Patent
1996-01-25
1998-04-14
Dung, Dinh C.
395842, 395894, G06F 900, G06F 1300, G06F 1310, G06F 1312
Patent
active
057404666
ABSTRACT:
The invented controller is the combination of: an intelligent interface to a SCSI bus, a multi-port buffer memory manager, a formatter, and a local processor port. With the addition of a few components for the device-level interface, the invented controller along with a buffer RAM, a local processor system, and an optional data separator completes a high performance disk, or other mass storage, controller subsystem. The invention is particularly directed to (1) the dual use of a buffer memory as data buffer storage and for storage of instructions to be executed by a SCSI-protocol processor, (2) the architecture of the interface to the SCSI bus, and (3) the instruction set of the SCSI-protocol processor.
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Bursky, D., "Intelligent Controller Trims SCSI Overheads," Electronic Design, Aug. 10, 1989, pp. 37-40.
Bursky, D.,"SCSI Controller Moves Synchronous Data At 10 Mbytes/s," Electronic Design,Apr. 12, 1990, pp. 195, 196, 198.
Bursky, D., "Enhanced SCSI Processor Pushes System Perofmance," Electronic Design, Sep. 13, 1990, pp. 101-102.
NCS 53C700 Data Manual, Feb. 1990.
NCR 53C700 Programmer's Guide, Feb. 1990.
Chen Joe Y.
Geldman John S.
Yoon Tony J.
Cirrus Logic Inc.
Dung Dinh C.
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