Sphere MEM-1 Microcomputer Memory Board
date: label: date made
content: 1976
name: label: maker
content: Sphere Corporation
notes: label: Description
content: This green plastic printed circuit board is the MEM-1 memory module for the Sphere microcomputer. It includes four columns of eight memory chips each. Those in the first column are marked TMS4060NL (/) P7609 except for the bottom one which is marked: TMS4060NL (/) P7615. They appear to have plastic tops. Those in the remaining columns, with gray ceramic tops, have labels that read: TMS (/) 4030 JL. The final line may read 7413, 7403, 7414, 7423, 7410, 7422, 7431, 7417, 7415, 7425, or 7430. All of these are analog memory chips built by Texas Instruments.
label: Description
content: For an example of a Sphere microcomputer, see 1990.0610.01.
label: Location
content: Currently not on view
place: label: place made
content: United States: Utah, Bountiful
setName: label: See more items in
content: Medicine and Science: Computers
creditLine: label: Credit Line
content: Jon Titus
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1991.0891.35
label: catalog number
content: 1991.0891.35
label: accession number
content: 1991.0891
objectType: label: Object Name
content: Microcomputer Board
physicalDescription: label: Measurements
content: overall: 1/2 in x 10 in x 8 in; 1.27 cm x 25.4 cm x 20.32 cm