Artifact Details

Title

Dual Flip Flop 4204 B System Building Block

Catalog Number

102691591

Type

Physical object

Date

1965 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Identifying Numbers

Model number 4204 B
Part number 4204
Serial number 0081909

Dimensions

overall: 1/2 in x 7 in x 4 1/2 in

Description

There is an "X" handwritten behind the part number. There is a tag attached to the object which reads, "DEFECTIVE MODULE, User 11, PDP No. 4, Ser. No. IN PERIPHERAL CHECKOUT, Removed by [ILLEGIBLE], Describe Fault PIN Y IS AN INPUT BUT SITS AT -1.5 VOLTS AND MAKE [sic] A ZERO LOOK LIKE A ONE, DIGITAL EQUIPMENT CORPORATION -:- MAYNARD, MASS.." The back of the tag reads, "Repaired by TESTED 418, Date 9-16-68, Describe Repairs RETESTED OK."

Category

Component/module