30 Megabyte/Second FASTBUS Disk System for Image Storage

A high bandwidth Fastbus based disk system for use with real-time streams of image data in formats such as 30 frames/second of 1024 by 1024 pixels/frame with 8 bits of data per pixel has been designed for applications such as the medical imaging system previously described [1,2,3]. The storage medium is implemented with four Fujitsu parallel transfer disk modules, while the Fastbus interface features two-tiered double buffers, heavy microcoding, and no-handshake Fastbus operation at 160 megabytes/second in a pipelined ECL macrocell array. The system design was supported by the National Heart, Blood, and Lung Institute of the National Institutes of Health, U. S. Department of Health and Human Services under Phase I SBIR grant l-R43-HL36022-01. A funding request for Phase II SBIR funding to support construction of a prototype unit is currently pending.