Accession Number:

AD0760761

Title:

Design Expansion of the D17B Computer Input/Output Facility for General Purpose Applications.

Descriptive Note:

Master's thesis,

Corporate Author:

AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING

Personal Author(s):

Report Date:

1973-03-21

Pagination or Media Count:

297.0

Abstract:

In an effort to determine the extent to which the capabilities of the D17B computer can be applied to general-purpose information processing tasks, the report presents the results of a study of the inputoutput structure of the machine. A technique is presented which enables the processor to transfer data to and from peripheral equipment on a program-controlled basis and at a rate which approaches the execution rate of the processor. The technique employs a bus-structured IO system which also controls program loading and verification operations to achieve the 800 charsec maximum loading rate of the computer. Another technique is presented which applies certain specialized functions of the D17B to directly link high-speed peripheral equipment with the memory for output transfers. By using this partial direct-memory access method, a transfer rate of 12.8K wordssec can be achieved. Modified author abstract

Subject Categories:

  • Computer Hardware

Distribution Statement:

APPROVED FOR PUBLIC RELEASE