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Apple PowerBook Duo 250 Specs

All PowerBook Duo Models | All 1993 Models | Dynamically Compare This Mac to Others

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Apple PowerBook Duo 250The Apple PowerBook Duo 250 features a 33 MHz 68030 processor, 4 MB or 12 MB of RAM and a 200 MB hard drive in a compact, lightweight portable case with a sharp 9.1" grayscale active-matrix display.

The PowerBook Duo 250 looks essentially the same as the Duo 230, but it has a significantly better active-matrix display and an improved battery design for longer runtime.

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.


October 21, 1993 May 16, 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 1993.
33 MHz 68030
Details: This model has a 32-bit processor and a 32-bit data path.
Soldered None*
Details: *When docked, this model can use an FPU, if provided by a compatible Duo Dock.
33 MHz N/A
Details: N/A
Macintosh ROM 1 MB
Details: N/A
0.5k N/A
Details: N/A
DRAM Card* 70 ns
Details: *Supports a single 70 ns DRAM card.
4 MB, 12 MB 28 MB*
Details: *With a 32 MB memory card installed, the 4 MB of onboard memory cannot be addressed.

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
200 MB SCSI
Details: *By default, this model is equipped with a 200 MB internal SCSI hard drive.
None None
Details: N/A
14.4k (Internal)* None
Details: *Internal modem provided standard by configuration M4189LL/A.
Modem, Dock (PDS) None
Details: 152-pin PDS provides connectivity to compatible docks.
Notebook PowerBook Duo 210
Details: N/A
M1933LL/A* PowerBook Duo 250
Details: *M1933LL/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 M4189LL/A.
M7777 38
Details: Please note that these identifiers refer to more than one model.

Also see: All Macs with the M7777 Model Number and 38 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 II 2.0-6.0 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 M4189LL/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: 85V-270V AC, 47-63 Hz Frequency, 25 Max Watts.

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