Macintosh LC 520 Macintosh LC 520

Macintosh LC 520 Explained

Back in the early ’90s, Apple was making waves in the personal computer market with its innovative Macintosh line. On June 28th, 1993, the tech giant unveiled the Macintosh LC 520, an all-in-one personal computer that would go on to leave a lasting impression on Apple’s history. While the Macintosh LC 520 may not boast the same power and capabilities as today’s computers, it serves as a remarkable reminder of the tremendous technological advancements we have witnessed over the past three decades.

Priced at a starting point of $2,000, the Macintosh LC 520 was considered a robust machine for its era. Equipped with a 25 MHz Motorola 68030 processor and a Motorola 68882 FPU coprocessor, it offered users a smooth computing experience. The 14″ CRT Color Display provided vibrant visuals, and the inclusion of a CD-ROM drive and a 1.44 MB Floppy drive signaled Apple’s dedication to staying at the forefront of emerging technologies.

The Macintosh LC 520 not only delivered on performance but also showcased Apple’s commitment to groundbreaking design. It was the first Macintosh LC model to feature an all-in-one case, combining the display and computing components in a compact form factor. This design approach set the stage for future Apple computers, establishing the aesthetic standard that the company is known for today.

To cater to a broader audience, Apple also released a consumer version of the Macintosh LC 520 called the Performa 520. This variant retained the same core specifications, providing an accessible entry point into the Macintosh world for home users. The Performa series, as a whole, played a pivotal role in Apple’s strategy to expand its market reach and establish a strong presence in households around the world.

Regrettably, the Macintosh LC 520’s lifespan was relatively short-lived. Apple made the decision to discontinue the model on February 2, 1994, likely driven by the rapid pace of technological advancements during that period. However, even though it may have faded into obscurity, the Macintosh LC 520 remains an important part of Apple’s rich history.

Today, as the Macintosh LC 520 celebrates its 30-year anniversary, we can’t help but marvel at the strides technology has taken since its introduction. Modern computers now possess exponentially more power and capabilities, enabling us to accomplish tasks that were unimaginable back then. The Macintosh LC 520 stands as a testament to the relentless pursuit of innovation that has defined Apple’s journey over the years.

The Macintosh LC 520 may have been discontinued decades ago, but its impact on the world of personal computing should not be overlooked. From its powerful specifications to its forward-thinking design, this all-in-one computer pushed the boundaries of what was possible at the time.

Mac LC 520 / Performa 520
Source: – Mac LC 520 / Performa 520

Macintosh LC 520 Details

IntroducedJune 28, 1993
DiscontinuedFebruary 2, 1994
Model Identifier56
Model NumberM1640
Order NumberUnknown
Original Price$2,000
Weight40.5 Ibs.
18.370 KG
Dimensions17.9” H x 13.5” W x 16.5” D
45.46 cm H x 34.29 cm W x 41.91 cm D

Mac LC 520 Tech Specs


ProcessorMotorola 68030
Processor Speed25 MHz
Number of Cores1
System Bus25 MHz
Cache0.5 KB L1
CoprocessorMotorola 68882 FPU (Optional)

Storage & Media

Storage80 MB
160 MB
Media1 – CD-ROM
1 – 1.44 MB Floppy


Built-in Memory5 MB
Maximum Memory36 MB
Memory Slots1 – 72 pin SIMM
Minimum Speed80 ns
Interleaving SupportNo


Built-in Display14″ RGB CRT Display
Resolution640 x 480


Graphics CardNone
Graphics Memory512 KB (Upgradeable to 768 KB via one socket)
Display Connection1 – DB-15


Expansion Slots1 – LC PDS (Cache Bus)
Hard Drive InterfaceSCSI


SCSI1 – DB-25
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
Display1 – DB-15


Original OSSystem Software 7.1P
Maximum OSMac OS 7.6.1
FirmwareMacintosh ROM


Backup Battery3.6 V lithium
Maximum Continuous Power40 W
Line VoltageUnknown

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 3, 2023