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Apple PowerBook Duo 280 Specs

All PowerBook Duo Models | All 1994 Models | Dynamically Compare This Mac to Others

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Apple PowerBook Duo 280The Apple PowerBook Duo 280 features a 33 MHz 68LC040 processor, 4 MB or 12 MB of RAM and a 240 MB hard drive in a compact, lightweight portable case with a sharp 9.1" grayscale active-matrix display.

The PowerBook Duo 280 looks essentially the same as the Duo 250 it replaced, but the 280 has a faster 68LC040 processor, higher maximum RAM capacity, and an enhanced battery design.

The PowerBook Duo series provides both a portable computer and the and the option to set up a full-powered desktop Macintosh by plugging the notebook into a compatible Duo Dock.


  • Tech Specs
  • Ports

Click on the category for related details. The most commonly needed info is "open" by default, but all info is important.


May 16, 1994 November 14, 1994
Details: The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 1994.
33 MHz* 68LC040
Details: *This model has a 32-bit processor and a 32-bit data path. Sometimes this model is 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 only is a 33 MHz processor.
Soldered None
Details: N/A
33 MHz N/A
Details: N/A
Macintosh ROM 1 MB
Details: N/A
8k N/A
Details: N/A
DRAM Card* 70 ns
Details: *Supports a single 70 ns DRAM card.
4 MB, 12 MB 40 MB
Details: N/A

Also see: Actual Max RAM of All G3 & Later Macs.
4 MB 1 (Duo)
Details: N/A
Dedicated* Onboard
Details: *Video function provided by onboard 80 ns VRAM.
N/A N/A
Details: The video cannot be upgraded.
9.1" Grayscale 640x400
Details: 9.1" grayscale active-matrix (4-bit, 16 grays) LCD with a 640x400 native resolution.
N/A N/A
Details: N/A
240 MB SCSI
Details: *By default, this model is equipped with a 240 MB internal SCSI hard drive.
None None
Details: N/A
14.4k (Internal)* None
Details: *Internal modem provided standard by configuration M2798LL/A.
Modem, Dock (PDS) None
Details: 152-pin PDS provides connectivity to compatible docks.
Notebook PowerBook Duo 210
Details: N/A
M2797LL/A* PowerBook Duo 280
Details: *M2797LL/A refers to this model configured with 4 MB of RAM. The configuration with 12 MB of RAM and an internal modem is assigned order number M2798LL/A.
M7777 102
Details: Please note that these identifiers refer to more than one model.

Also see: All Macs with the M7777 Model Number and 102 Gestalt ID.

For more about identifiers and how to locate them on modern Macs, please refer to EveryMac.com's Mac Identification section.
Duo NiMH Type III 2.0-4.0 Hours
Details: N/A
7.1 7.1-7.5.1, 7.5.3-7.6.1
Details: Earlier and later versions of the Macintosh System/Finder and Mac OS are not supported.
1.4 x 10.9 x 8.5 4.2 lbs (1.9 kg)
Details: In inches while closed - height by width by depth, (3.6 cm, 27.7 cm, 21.6 cm).
US$2600 N/A
Details: Photo Credit: MacUser Magazine, December 1993.


Click on a category for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.


None None
Details: N/A
None None
Details: N/A
1 None
Details: Single serial port can be used with either a serial printer or modem.
None* None
Details: *Internal modem provided standard by configuration M2798LL/A.
None None
Details: N/A
None None
Details: N/A
None None
Details: N/A
None None
Details: N/A
N/A 1
Details: 100V-240V AC, 50-60 Hz Frequency, 25 Max Watts.

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