1994-09-07
1997-08-12
Auve, Glenn A.
395284, 395309, 395312, G06F 1300
Patent
active
056574550
ABSTRACT:
A host adapter for transferring data between a system bus and an input/output (I/O) bus is implemented as an integrated circuit having a data transfer circuit and a status indicator circuit. The status indicator circuit selectively supplies one of a number of status signals from the data transfer circuit as a signal on a status indicator terminal of the host adapter. Therefore, a light emitting diode connected to the status indicator terminal indicates in real time the status of data transfer, such as usage of the system bus, or I/O bus, or execution time of one or more instructions by the host adapter.
REFERENCES:
patent: 4038644 (1977-07-01), Duke et al.
patent: 4419756 (1983-12-01), Cheng-Quispe et al.
patent: 4564794 (1986-01-01), Kilen et al.
patent: 4878166 (1989-10-01), Johnson et al.
Data Book, Preliminary, AIC-7870 PCI Bus Master Single-Chip SCSI Host Adapter, Adaptec, pps. 1-1 through 1-8, 2-1 through 2-31, 8-1 through 8-11, Dec., 1993.
Data Book, Preliminary, AIC-7850 PCI Bus Master Single-Chip SCSI Host Adapter, Adaptec, pps. 1-1 through 1-6, 2-1 through 2-23, 8-1 through 8-11, Feb., 1994.
Fannin Charles S.
Gates Stillman F.
Adaptec, Inc.
Auve Glenn A.
Gunnison Forrest E.
Suryadevara Omkar K.
Travis John
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