Apple PowerBook Duo 280c Specs

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The Apple PowerBook Duo 280c features a 33 MHz 68LC040 processor, 4 MB or 12 MB of RAM and a 320 MB hard drive in a compact, lightweight portable case with a sharp 8.4" color active-matrix display.

The PowerBook Duo 280c looks essentially the same as the Duo 270c it replaced, but the 280c 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

Tech Specs

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Introduction Date:

May 16, 1994

Discontinued Date:

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.

Processor Speed:

33 MHz*

Processor Type:

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.

Processor Upgrade:

Soldered

FPU:

None

Details:

N/A

System Bus Speed:

33 MHz

Cache Bus Speed:

N/A

Details:

N/A

ROM Type:

Macintosh ROM

ROM Size:

1 MB

Details:

N/A

L1 Cache:

8k

L2 Cache:

N/A

Details:

N/A

RAM Type:

DRAM Card*

Min. RAM Speed:

70 ns

Details:

*Supports a single 70 ns DRAM card.

Standard RAM:

4 MB, 12 MB

Maximum RAM:

40 MB

Details:

N/A Also see: Actual Max RAM of All G3 & Later Macs.

Motherboard RAM:

4 MB

RAM Slots:

1 (Duo)

Details:

N/A

Video Card:

Dedicated*

VRAM Type:

Onboard

Details:

*Video function provided by onboard 80 ns VRAM.

Standard VRAM:

N/A

Maximum VRAM:

N/A

Details:

The video cannot be upgraded.

Built-in Display:

8.4" Color

Native Resolution:

640x400

Details:

8.4" color active-matrix (16-bit) LCD with a 640x400 native resolution.

2nd Display Support:

N/A

2nd Max. Resolution:

N/A

Details:

N/A

Standard Hard Drive:

320 MB

Int. HD Interface:

SCSI

Details:

*By default, this model is equipped with a 320 MB internal SCSI hard drive.

Standard Optical:

None

Standard Disk:

None

Details:

N/A

Standard Modem:

14.4k (Internal)*

Standard Ethernet:

None

Details:

*Internal modem provided standard by configuration M2332LL/A.

Expansion Slots:

Modem, Dock (PDS)

Expansion Bays:

None

Details:

152-pin PDS provides connectivity to compatible docks.

Case Type:

Notebook

Form Factor:

PowerBook Duo 270c

Details:

N/A

Apple Order No:

M2329LL/A*

Apple Subfamily:

PowerBook Duo 280c

Details:

*M2329LL/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 M2332LL/A.

Apple Model No:

M7777

Gestalt ID:

103

Details:

Please note that these identifiers refer to more than one model. Also see: All Macs with the M7777 Model Number and 103 Gestalt ID. For more about identifiers and how to locate them on modern Macs, please refer to EveryMac.com's Mac Identification section.

Battery Type:

Duo NiMH Type III

Battery Life:

2.0-4.0 Hours

Details:

N/A

Original Mac OS:

7.1.1

Supported Mac OS:

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.

Dimensions:

1.5 x 10.9 x 8.5

Avg. Weight:

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).

Original Price (US):

US$3700, US$4750

Est. Current Retail:

N/A

Details:

Photo Credit: MacUser Magazine, December 1993.

Ports

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.

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Video (Monitor):

None

Floppy (Ext.):

None

Details:

N/A

ADB:

None

SCSI:

None

Details:

N/A

Serial (Standard):

1

Serial (Geoport):

None

Details:

Single serial port can be used with either a serial printer or modem.

Modem:

None*

Ethernet:

None

Details:

*Internal modem provided standard by configuration M2332LL/A.

S-Video Input:

None

S-Video Output:

None

Details:

N/A

Microphone:

None

Sound In:

None

Details:

N/A

Sound Out:

None

Headphone:

None

Details:

N/A

Security (Lock):

None

Joystick (PC):

None

Details:

N/A

Power:

N/A

Power Adapter:

1

Details:

100V-240V AC, 50-60 Hz Frequency, 25 Max Watts.

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