PowerBook 520c Specs @ EveryMac.com

Apple PowerBook 520c Specs

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Apple PowerBook 520c The Apple Macintosh PowerBook 520c features a 25 MHz 68LC040 processor, 4 MB or 12 MB of RAM, and a 160 MB, 240 MB, or 320 MB hard drive in a sleek portable case with a 9.5" color dual-scan display.

The PowerBook 500 series introduced the "trackpad" -- where the cursor followed the movement of your finger on a "pad" rather than a plastic ball. The trackpad was a revolutionary input device and has been used since in the vast majority of modern notebooks. The PowerBook 500 series also introduced dual swappable "bays" that could be used to hold either one battery and a PCMCIA adapter or dual batteries to extend runtime.

To purchase or upgrade a vintage Mac -- as well as newer Macs -- see site sponsor OHS.

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

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Introduction Date:

May 16, 1994

Discontinued Date:

September 16, 1995

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:

25 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 50 MHz processor, since the clock input runs at 50 MHz. However, the processor itself is not "clock doubled," so technically it only is a 25 MHz processor.

Processor Upgrade:

Third-Party*

FPU:

None

Details:

*Third-party upgrades and accelerators were available.

System Bus Speed:

25 MHz

Cache Bus Speed:

N/A

Details:

N/A

ROM/Firmware Type:

Macintosh ROM

ROM/Firmware Size:

2 MB

Details:

N/A

L1 Cache:

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:

36 MB*

Details:

*With 4 MB of onboard memory and a 32 MB memory module.

Motherboard RAM:

4 MB

RAM Slots:

Details:

*One PowerBook 500 series memory slot.

Video Card:

Dedicated*

VRAM Type:

Onboard

Details:

*Video function provided by onboard VRAM.

Standard VRAM:

512k*

Maximum VRAM:

512k*

Details:

*512k of VRAM supports an external color monitor (8-bit, 256 colors). The video cannot be upgraded.

Built-in Display:

9.5" Color

Native Resolution:

640x480

Details:

9.5" color dual-scan (8-bit, 256 colors) LCD. An upgrade to an active-matrix color display also was available (M3063LL/A).

Standard Hard Drive:

160, 240, 320 MB*

Int. HD Interface:

SCSI

Details:

*By default, this model was configured with either a 160 MB, 240 MB, or 320 MB hard drive.

Standard Optical:

None

Standard Disk:

1.44 MB (Manual)

Details:

N/A

Standard Modem:

14.4k (Optional)

Standard Ethernet:

AAUI-15

Details:

An internal optional 14.4k modem was offered. AAUI-15 Ethernet standard.

Expansion Slots:

2 Type II PC Card*

Expansion Bays:

1**

Details:

*2 Type II PC Card (1 Type III) expansion slots provided by PCMCIA adapter in a "swappable" bay (M2995LL/A).

**This model has a custom "swappable" bay that can be used to hold a second battery or a PCMCIA adapter along with other options.

Case Type:

Notebook

Form Factor:

PowerBook 520

Details:

N/A

Apple Order No:

M1845LL/A*

Apple Subfamily:

PowerBook 520/520c

Details:

*M1845LL/A refers to the configuration with 4 MB of RAM and a 160 MB hard drive.

Apple Model No:

M4880

Gestalt ID:

Details:

Please note that these identifiers refer to more than one model.

Battery Type:

NiMH

Battery Life:

2-3.5 Hours*

Details:

*With one battery installed. With dual batteries installed, the runtime will be roughly twice as long.

Original Mac OS:

7.1.1

Supported Mac OS:

7.1.1-8.1

Details:

Earlier and later versions of the Macintosh System/Finder and Mac OS are not supported.

For systems capable of running older versions of the Mac OS -- as well as modern ones -- please see site sponsor OHS. OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.

Dimensions:

2.3 x 11.5 x 9.7

Avg. Weight:

6.4 lbs (2.9 kg)

Details:

In inches while closed - height by width by depth, (5.8 cm, 29.2 cm, 24.6 cm).

Original Price:

US$2800, $2900, $4000

Est. Current Retail:

N/A*

Details:

*As a collector's item, it still may retain value.

Photo Credit: Apple Computer, Inc.

Click on the underlined category text 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):

1 (Mini-15)

Floppy (Ext.):

None

Details:

N/A

ADB:

SCSI:

1 (HDI-30)

Details:

N/A

Serial (Standard):

Serial (Geoport):

None

Details:

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

Modem:

None*

Ethernet:

1 (AAUI-15)

Details:

An internal optional 14.4k modem was offered.

S-Video Input:

None

S-Video Output:

None

Details:

N/A

Microphone:

1 (Line Level)

Sound In:

None

Details:

N/A

Sound Out:

1 (16-Bit Stereo)

Headphone:

None

Details:

N/A

Security (Lock):

Joystick (PC):

None

Details:

N/A

FM Tuner:

None

TV Tuner:

None

Details:

N/A

Power:

N/A

Power Adapter:

Details:

110V-240V AC, 50-60 Hz Frequency, 40 Max Watts.

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