Digital data bus architecture for computer disk drive controller

Details Digital data bus architecture for computer disk drive controller Digital data bus architecture for computer disk drive controller

1987-09-24

1989-09-12

Smith, Jerry

Boots, shoes, and leggings

3642383, 3642392, 3642393, 3642362, 3642481, 3642628, G06F 1312, G06F 1320

Patent

active

048666017

ABSTRACT:
A disk drive controller bus architecture for interfacing disk drives having widely varying data format requirements with small computer systems is comprised of a disk drive parameter storage section, a disk drive parameter compartor/interface section and a set of associated data buses, coupled between a disk drive controller processor and the disk drive. The disk drive parameter storage section contains a set of control registers and a (format option) random access memory which may be written to and read by the control processor and serves to store drive control codes that are selectively coupled over a first of the set of associated data buses for application to the disk drive parameter comparator/interface section. The disk drive parameter comparator/interface section contains multiplexer and format conversion circuitry for interfacing data between the disk, storage/buffer components of the bus architecture itself, and the control processor. This section also contains comparator and auxiliary storage circuitry coupled with a second of the set of associated data buses, for comparing data read from the disk with parameter data stored in and selectively accessed from the disk drive parameter storage section.

REFERENCES:
patent: 4025906 (1977-05-01), Riikonev
patent: 4342081 (1982-07-01), Dubuc
patent: 4651237 (1987-03-01), Williams
patent: 4727509 (1988-02-01), Johnson et al.
patent: 4773036 (1988-09-01), Berons et al.

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