Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Patent
1997-01-27
2000-11-14
Lee, Thomas C.
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
326 30, 710 22, 710 53, 710127, 710130, G06F 1314
Patent
active
061483516
ABSTRACT:
A protocol controller connected between a SCSI device and a DMA controller. The SCSI device is connected to the protocol controller with a first bus and the DMA controller is connected to the protocol controller with a second bus having a width less than a width of the first bus. The protocol controller communicates with the SCSI device so that it transfers data having a width equivalent to the width of the second bus. Other data concurrently transferred by the SCSI device over the first data bus is ignored and not transferred to the DMA controller.
REFERENCES:
patent: 4309754 (1982-01-01), Dinwiddle, Jr.
patent: 4450370 (1984-05-01), Davis
patent: 4451891 (1984-05-01), Baba
patent: 4663732 (1987-05-01), Robinson
patent: 4683534 (1987-07-01), Tietjen et al.
patent: 4716527 (1987-12-01), Graciotti
patent: 4748426 (1988-05-01), Stewart
patent: 4788693 (1988-11-01), Bays et al.
patent: 4866309 (1989-09-01), Bonke et al.
patent: 5120909 (1992-06-01), Kutz et al.
patent: 5297242 (1994-03-01), Miki
patent: 5313595 (1994-05-01), Lewis et al.
patent: 5345559 (1994-09-01), Okazaki et al.
patent: 5381034 (1995-01-01), Thrower et al.
patent: 5382841 (1995-01-01), Feldbaumer
patent: 5422580 (1995-06-01), Mandel et al.
patent: 5434516 (1995-07-01), Kosco
patent: 5448521 (1995-09-01), Curry et al.
patent: 5548786 (1996-08-01), Amini et al.
patent: 5841995 (1998-11-01), Ogawa
Intel.RTM. 8244A/8255A-5 Programmable Peripheral Interface Manual, pp. 3-100-3-123, 1987.
Fujitsu Limited
Lee Thomas C.
Wang Albert
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