central processing unit for Power Mac G3
Datecirca 1998
Inventory Number2000-1-0003
ClassificationCircuit Board
Subject
Maker
Apple Computer Inc.
1976-present
Maker
Motorola Inc.
1928-present
Cultural Region
Place of Origin
Place of Use
Dimensions1 x 6.4 x 4.5 cm (3/8 x 2 1/2 x 1 3/4 in.)
Material
Accessoriesperformance review article (in instrument file)
DescriptionRectangular green cutout, printed circuit board with two black ceramic chips attached to one half and a red and blue 166 MHz, Motorola 7500 processor in an off-white frame on the other half. On the back of the board is a 17x17 grid of brass connection pins for plugging the board into a computer unit.
Signedunsigned
Curatorial RemarksGiven to the CHSI by the Department of Biology when they upgraded.
FunctionCPU card for computer used in Biology Teaching Labs for web browsing and presentations by and for TFs and staff. Central processing units are responsible for carrying out the instructions given by computer programs and managing the other components' operations.
Specifications of the Power Mac G3 from which this unit was taken are available here.
An article detailing the benefits of this CPU design including diagrams of its operation is available in the instrument file.
Specifications of the Power Mac G3 from which this unit was taken are available here.
An article detailing the benefits of this CPU design including diagrams of its operation is available in the instrument file.
ProvenanceBiology Teaching Labs, Department of Biology, Harvard University.
Apple Computer Inc.
Date: circa 1995
Object number: 2000-1-0002
Apple Computer Inc.
Date: circa 1990
Accessories: Apple extended keyboard (1999-1-0014b); Apple desktop bus mouse (1999-1-0014c); Allied Telesis Ethernet transceiver (1999-1-0014d )
Object number: 1999-1-0014a
Panelvision Corporation
Date: 1984
Accessories: control for Panelvision MiniGraphic display (1997-1-0686a)
shipping ticket/ hand carry pass dated June 11, 1997 (in instrument 1997 - 0686a file)
letter to Dr. Richard V. Kollarits from William Andrewes dated June 16, 1997 regarding donation of MiniGraphic display and letter to William Andrewes from Dr. Richard V. Kollarits that accompanied the object upon donation on June 11, 1997 (in instrument 1997 - 0686a file)
four sample color prints made with this display on micro-encapsulated photographic paper. 1. man in business suit, 2. woman crouching next to lawn ornament, 3. two clowns painting a third's face, 4. woman in winter hat and scarf (in instrument 1997 - 0686a file)
copies of two articles by AT&T Bell Laboratories staff (Richard V. Kollarits, William, H. Ninke, David C. Gibbon) on color imaging and printing (in instrument 1997 - 0686a file)
Panelvision pamphlet introducing the MiniGraphic multipurpose flat panel display, including instrument specifications, consumer prices, functioning and features (in instrument 1997 - 0686a file)
1984 article by Panelvision employees (Peter Brody Fang-Chen Luo, Paul Malmberg) on active matrix technology (in instrument 1997 - 0686a file)
Panelvision Corporation Fact Sheet, including details of company history and recent developments (in instrument 1997 - 0686a file)
article about commercial debut of active matrix technology from Design Engineering newspaper, June 18, 1984 (in instrument 1997 - 0686a file)
full circuit diagram and schematic for MiniGraphic Display Controller (in instrument file)
instruction manual and description of MiniGraphic Display Controller (two copies, in instrument 1997 - 0686a file)
circuit diagrams and instruction manuals for the MiniGraphic Display (two booklets, in instrument 1997 - 0686a file)
Object number: 1997-1-0686b
Intel Corporation
Date: circa 1985
Object number: 1998-1-0575
Intel Corporation
Date: circa 1981
Accessories: protective black foam pad
Object number: 1998-1-0572
Smiths (Calculators) Ltd.
Date: dated 1970
Accessories: following are included in instrument file:
- two copies of “Webster Astro-Computograph" handbook
- copy of article "Direct Methods of Latitude and Longitude Determination by Mini-Computer" by Crocker Wight
- "Astro-Computograph: Sight Examples- Step-by-Step Instructions" from Admiralty Compass Observatory
- copy of C.H. Cotter's Review "Mechanical and Graphical Solutions in Nautical Astronomy"
hand-drawn diagrams of instrument components
- several blank "FORM A.C.G. (A)" and "FORM A.C.G. (S)" documents, for use in Astro-Computograph calculations
Object number: 1997-1-1868
Apple Computer Inc.
Date: 1994
Accessories: labeled brown cardboard box from an identical model; keyboard with built-in connection cable in separate cardboard storage box [see 2000-1-0036b]; desktop mouse with connection cable; black power supply cable; white monitor connection cable; Power Mac user's guide and CD ROM user's guide; instruction manual (in object file)
Object number: 2000-1-0036a
Apple Computer Inc.
Date: 1989
Accessories: reference manual; "Getting Started" booklet; power cords (2); mouse; keyboard; ethernet device; instruction manual (in object file)
Object number: 1997-1-1975a
Panelvision Corporation
Date: 1984
Accessories: single-board display controller
cable for display (1997-1-0686c)
shipping ticket/ hand carry pass dated June 11, 1997 (in instrument file)
letter to Dr. Richard V. Kollarits from William Andrewes dated June 16, 1997 regarding donation of MiniGraphic display and letter to William Andrewes from Dr. Richard V. Kollarits that accompanied the object upon donation on June 11, 1997 (in instrument file)
four sample color prints made with this display on micro-encapsulated photographic paper. 1. man in business suit, 2. woman crouching next to lawn ornament, 3. two clowns painting a third's face, 4. woman in winter hat and scarf (in instrument file)
copies of two articles by AT&T Bell Laboratories staff (Richard V. Kollarits, William, H. Ninke, David C. Gibbon) on color imaging and printing (in instrument file)
Panelvision pamphlet introducing the MiniGraphic multipurpose flat panel display, including instrument specifications, consumer prices, functioning and features (in instrument file)
1984 article by Panelvision employees (Peter Brody Fang-Chen Luo, Paul Malmberg) on active matrix technology (in instrument file)
Panelvision Corporation Fact Sheet, including details of company history and recent developments (in instrument file)
article about commercial debut of active matrix technology from Design Engineering newspaper, June 18, 1984 (in instrument file)
full circuit diagram and schematic for MiniGraphic Display Controller (in instrument file)
instruction manual and description of MiniGraphic Display Controller (two copies, in instrument file)
circuit diagrams and instruction manuals for the MiniGraphic Display (two booklets, in instrument file)
Object number: 1997-1-0686a
Texas Instruments Incorporated
Date: circa 1985
Object number: 1998-1-0576