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gptkbp:instanceOf
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gptkb:personal_computer
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gptkbp:batteryCapacity
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Nickel–metal hydride
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gptkbp:codename
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gptkb:Blackbird
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gptkbp:discontinued
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February 1995
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gptkbp:displayType
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640 x 480 pixels
10.4-inch active matrix color LCD
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gptkbp:family
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gptkb:PowerBook_500_series
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gptkbp:graphics
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built-in graphics
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|
https://www.w3.org/2000/01/rdf-schema#label
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PowerBook 540c
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gptkbp:manufacturer
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gptkb:Apple_Inc.
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gptkbp:marketedAs
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high-end PowerBook
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gptkbp:material
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gptkb:plastic
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gptkbp:notableFeature
|
first PowerBook with built-in Ethernet (optional)
first PowerBook with stereo speakers
active matrix color display
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gptkbp:operatingSystem
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gptkb:System_7.5
gptkb:System_7.1.1
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gptkbp:predecessor
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PowerBook 180c
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gptkbp:processor
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gptkb:Motorola_68LC040
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gptkbp:productType
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gptkb:PowerBook
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gptkbp:RAM
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4 MB
expandable to 36 MB
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|
gptkbp:releaseDate
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May 1994
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gptkbp:speed
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33 MHz
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gptkbp:sport
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gptkb:Serial
gptkb:ADB
gptkb:SCSI
Audio in/out
Modem
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gptkbp:storage
|
320 MB hard drive
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|
gptkbp:successor
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PowerBook 5300c
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gptkbp:weight
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6.8 pounds
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gptkbp:bfsParent
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gptkb:PowerBook_500_series
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gptkbp:bfsLayer
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6
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