PowerBook 280c PowerBook 280c

Macintosh PowerBook Duo 280c Datasheet

In the ever-evolving world of technology, some devices leave an indelible mark that stands the test of time. In 1994, Apple introduced a product that fits this bill perfectly – the Macintosh PowerBook Duo 280c. A remarkable addition to the Macintosh PowerBook series, this laptop captured the hearts of Mac enthusiasts and proved to be a game-changer in the portable computing arena.

On May 16, 1994, Apple unveiled the Macintosh PowerBook Duo 280c, showcasing its engineering prowess and innovative design. Priced at $3,700, this laptop offered an array of cutting-edge features that set it apart from its contemporaries. With its sleek and compact build, the Duo 280c proved to be a perfect companion for those who sought both portability and versatility.

Under its elegant hood, the Macintosh PowerBook Duo 280c boasted a 33 MHz Motorola 68LC040 processor, which, at the time, was quite impressive. Accompanied by a generous 8.4″ color LCD display, users could revel in vivid visuals and crisp graphics on the go. The laptop came with either 4 MB or 12 MB of RAM, offering smooth multitasking and efficient performance.

Storage needs were taken care of with a 320 MB hard drive, providing ample space for users to store their valuable data and favorite applications. But what truly set the Duo 280c apart was its transformative nature – thanks to the Duo Dock II.

Apple had a vision beyond just a portable computer. With the Duo Dock, the Macintosh PowerBook Duo 280c could seamlessly transform into a full-powered desktop Macintosh. Plugging the notebook into a compatible Duo Dock offered users the luxury of a complete computing experience at their desks. It was a groundbreaking innovation that elevated the Duo 280c to a whole new level of versatility, appealing to professionals and creatives alike.

Though the Macintosh PowerBook Duo 280c was hailed as a triumph, its time in the spotlight was short-lived. After only six months on the market, Apple made the decision to discontinue production on November 14, 1994. While its brief lifespan might have been disappointing, it did little to diminish the laptop’s significance in Apple’s computer history.

Today, 30 years after its introduction, the PowerBook Duo 280c continues to hold a special place in the hearts of Mac enthusiasts. With its rare combination of powerful performance and unmatched portability, the Duo 280c remains a collector’s item that embodies the essence of Apple’s commitment to innovation and user experience.

The Mac PowerBook Duo 280c’s impact did not end with its discontinuation. Its influence lingered, with the PowerBook Duo series continuing to pave the way for future generations of Apple laptops. The sleek design, potent performance, and versatile docking capabilities laid the foundation for the modern MacBook lineup we admire today.

The Macintosh PowerBook Duo 280c was more than just a laptop; it was a symbol of Apple’s relentless pursuit of excellence. Its arrival in 1994 marked a significant moment in the tech giant’s history, captivating the hearts of Mac enthusiasts worldwide. Though its production was short-lived, its legacy endures through its transformational design and dedicated following.

As we continue to marvel at the advancements in computing technology, let us take a moment to appreciate the classic gem that is the PowerBook Duo 280c – a testament to Apple’s unwavering commitment to pushing the boundaries of innovation.

PowerBook Duo 280c
Source: staffordvintagetech.wordpress.com – PowerBook Duo 280c

Macintosh PowerBook Duo 280c Details

IntroducedMay 16, 1994
DiscontinuedNovember 14, 1994
Model Identifier103
Model NumberM7777
Order NumberM2329LL/A
Original Price$3,700
ColorsDark Grey
Weight4.8 Ibs.
2.177 KG
Dimensions1.5″ H x 10.9” W x 8.5” D
3.81 cm H x 27.68 cm W x 21.59 cm D

PowerBook Duo 280c Tech Specs


ProcessorMotorola 68LC040
Processor Speed33 MHz
Number of Cores1
System Bus33 MHz
Cache8 KB L1

Storage & Media

Storage320 MB


Built-in Memory4 MB
12 MB
Maximum Memory40 MB
Memory Slots1 – Duo
Minimum Speed70 ns
Interleaving SupportNo


Built-in Display8.4″ color active-matrix 16-bit LCD
Resolutions640 x 480 8-bit
640 x 400 16-bit


Graphics CardNone
Graphics MemoryNone
Display ConnectionNone


Expansion SlotsModem
Dock (152-pin PDS)
Hard Drive InterfaceSCSI


ModemInternal modem/fax card
Floppy PortNone
Audio In1 – 3.5-mm analog input jack
1 – Built-in microphone
Audio Out1 – 3.5-mm analog output jack
1 – Built-in speaker

Keyboard and trackpad

KeyboardBuilt-in 64-key (U.S.) or 64-key (ISO) 3.0-mm travel keyboard
TrackpadBuilt-in 25-mm trackball pointing device


Original OSSystem Software 7.1
Maximum OSMac OS 8.1
FirmwareMacintosh ROM


System BatteryPowerBook Duo Type III (NiMH)
Backup BatteryUnknown
Maximum Continuous Power25 W
Line VoltageUnknown
Power AdapterUnknown

Further Reading and References

Disclaimer: The data presented in this article is under continuous development and has been manually collected from various sources based on their availability. The author of this article may revise this dataset as additional research is conducted and reviewed. Please note that the information is provided “as is” and “as available” without express or implied warranties. The author cannot be held responsible for any omissions, inaccuracies, or errors in the published information. Any warranties relating to this information are hereby disclaimed.

Last updated: July 30, 2023