Artifact Details Title Sigma 5 and 7 manuals Catalog Number 102698394 Type Document Description Includes documents: Memory environmental test Program No. 705355A Power fail-safe test CPU diagnostic-float Program No. 704046D Sigma 5 integral IOP channel test Date 1967-1970 Publisher Scientific Data Systems (SDS) Category Manual Collection Title Sigma 5 Computer System Credit Courtesy of Carnegie Mellon University Lot Number X2473.2002