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 The Apple Macintosh computer - price and description
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The Apple PowerBook Duo
280 features a 33 MHz 68LC040 processor, 12 MB of RAM, and a
240 MB hard drive in a lightweight portable case with a
sharp 9.1" grayscale active-matrix display. The PowerBook
Duo series provides both a portable computer and the option
to set up a full-powered desktop Macintosh with a compatible
Duo
Dock.
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Introduction
Date:
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May 16, 1994
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Discontinued
Date:
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November 14,
1994
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Processor Type:
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68LC040
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Processor
Speed:
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33 MHz
1.
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Processor
Upgrade:
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N/A
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FPU:
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N/A
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System Bus
Speed:
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33 MHz
1.
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Lookaside Bus
Speed:
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N/A
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ROM Size:
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1 MB
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Data Path:
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32-bit
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Level 1 Cache:
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8k
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Level 2 Cache:
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N/A
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RAM Type:
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70 ns DRAM card
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VRAM Type:
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Built-in (80
ns)
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Standard RAM:
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12 MB
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Maximum RAM:
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40 MB
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Motherboard
RAM:
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4 MB
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RAM Slots:
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1 (Duo)
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Standard VRAM:
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N/A
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Maximum VRAM:
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N/A
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Standard Hard
Drive:
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240 MB
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Int. Hard Drive
Type:
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SCSI
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Standard
CD-ROM:
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N/A
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Standard Disk:
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None
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Standard Modem:
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N/A
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Standard
Ethernet:
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N/A
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Case Type:
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Portable (Med.
Gray)
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Form Factor:
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PowerBook Duo
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Exp. Slots:
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Modem, Dock
(PDS)
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Exp. Bays
(Free):
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None
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Battery Type:
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Duo NiMH Type
III
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Battery Life:
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2.0-4.0 hours
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Built-in
Display:
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9.1" Grayscale
2.
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Supported
MacOS:
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7.1.1-7.5.1,
7.5.3-8.1
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Dimensions:
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1.4 x 10.9 x 8.5
3.
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Avg. Weight:
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4.2 lbs.
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Original Price:
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$2600 US
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Est. Current
Price:
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$50-$100 US
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Notes:
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1.
This model is sometimes designated as having a 66 MHz
processor,
 since
the clock input runs at 66 MHz. However, the processor
itself
is
not "clock doubled", so technically it is only a 33 MHz
processor.
2.
9.1" Grayscale active-matrix (4-bit, 16 grays) LCD
display.
3.
In inches, height x width x depth (while closed).
4.
Photo Credit: MacUser Magazine, December 1993.
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