Artifact Details Title Expansion system Catalog Number 102681324 Type Physical object Description Handwritten on red tag on object is, "Dave Penniman." Printed on label on rear of object is, "99/4 PERIPHERAL EXPANSION SYSTEM." Top cover is loose. Handwritten on lable near front switch is, "2." Handwritten on label on top front is "D1." Manufacturer Texas Instruments Incorporated (TI) Place Manufactured U.S. Identifying Numbers Model number PHP1200 Label on rear Other number 1050345-01 XX Stamped on rear panel Serial number 52133 ATA1084 Label on rear Dimensions overall: 7 in x 17 3/8 in x 11 1/2 in Category interconnect