File:Motorola 6800 proto board.jpg
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Size of this preview: 800 × 533 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,280 × 853 pixels | 2,560 × 1,707 pixels | 3,241 × 2,161 pixels.
Original file (3,241 × 2,161 pixels, file size: 2.01 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionMotorola 6800 proto board.jpg |
English: Motorola 6800 demonstration board built by Chuck Peddle and John Buchanan in 1974. The XC prefix indicates a pre-release chip. Top: XCM6810 128 byte RAMs. Date code 7416, 16th week of 1974 (April 23). Bottom: XC6820 PIA (Peripheral Interface Adapter). Date code 7420, 20th week of 1974 (May 21). Bottom center: XC6800 microprocessor no date code. Photo by Michael Holley at the Computer History Museum in Mountain View, California. Taken with a Canon PowerShot A630 using existing light on February 13, 2011. |
Date | |
Source | Own work |
Author | Swtpc6800 Michael Holley |
Licensing
[edit]Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:11, 1 June 2012 | 3,241 × 2,161 (2.01 MB) | Swtpc6800 (talk | contribs) | =={{int:filedesc}}== {{Information |Description={{en|1= EA Motorola 6800 demonstration board built by Chuck Peddle and John Buchanan in 1974. The standard Motorola part number would be MC6800; the pre-release versions here are ... |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A630 |
Exposure time | 1/160 sec (0.00625) |
F-number | f/3.5 |
Date and time of data generation | 13:17, 13 February 2011 |
Lens focal length | 17.342 mm |
Orientation | Normal |
Horizontal resolution | 540.1667 dpi |
Vertical resolution | 540.1667 dpi |
Software used | Adobe Photoshop Elements 5.0 Windows |
File change date and time | 22:59, 15 February 2011 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 13:17, 13 February 2011 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 7.3125 |
APEX aperture | 3.625 |
APEX exposure bias | 0 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 11,412.587412587 |
Focal plane Y resolution | 11,439.252336449 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 3,241 px |
Image height | 2,161 px |
Date metadata was last modified | 14:59, 15 February 2011 |