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PC/VAX or standalone PC-based general purpose biological data collection system

S P Marlow1, D A Mackenzie, J B Tomlinson

  • 1Computer Science Department, Smith Kline Beecham Pharmaceuticals, The Frythe, Welwyn, Herts, UK.

Medical & Biological Engineering & Computing
|January 1, 1993
PubMed
Summary
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A new biological data system uses networked PCs and VAX environments for enhanced data collection and analysis. This flexible system offers improved throughput and removes previous hardware limitations, reducing obsolescence.

Area of Science:

  • Computer Science
  • Biotechnology
  • Data Analysis

Background:

  • Biological data collection systems often face hardware limitations and connectivity issues.
  • Previous systems relied on IEEE bus architecture with constraints on device distance and VAX linkage.

Purpose of the Study:

  • To develop an improved system for collecting, analyzing, and displaying biological data.
  • To enhance data throughput and system flexibility by leveraging modern networking technologies.

Main Methods:

  • Implementation of a system using IBM PC AT compatibles networked to a VAX environment.
  • Utilized a PC/Ethernet/VAX network with an analogue-to-digital convertor (DT2824-PGH) and communications interface board (DEPCA).
  • Network configuration included ThinWire Ethernet running DECnet with PCSA software, supporting multiple segments and up to 30 PCs per segment.

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Main Results:

  • The enhanced PC/Ethernet/VAX network doubled the original throughput compared to the IEEE bus system.
  • Removed physical linking and distance constraints (4m) associated with the IEEE bus.
  • Achieved flexible networking supporting multiple ThinWire segments, each up to 185m long.

Conclusions:

  • The developed system offers significant improvements in biological data handling efficiency.
  • The flexible and enhanced design reduces system obsolescence by complementing existing infrastructure.
  • Concurrent operation of enhanced and original designs ensures user familiarity and software compatibility.