Macintosh Performa 520
Codename: 
Introduced: June 1993
Discontinued: February 1994
Processor: Motorola 68030
Processor Speed: 25 MHz
Cache: 0.5 k L1
Data Path: 32 bit
System Bus: 25 MHz
Hard Drive Size: 80 - 160 MB
Media: CD-ROM 2x, 1.44 MB Floppy
Weight and Dimensions: 40.5 lbs, 17.9" H x 13.5" W x 16.5" D
Original Mac OS: Mac OS J7.1
Maximum Mac OS: Mac OS 7.6.1
Machine ID: 56
Motherboard RAM: 4 MB
Maximum RAM: 36 MB
Number of Sockets: 1 - 72 pin SIMM
Minimum RAM Speed: 80 ns
Graphics Card: None
Video Memory: 512k - 768k
Built-in Display: 14" RGB
Display Connection: DB-15
Slots: 1 - LC PDS
Hard Drive Bus: SCSI
Modem: None
PRAM: 3.6v Lithium
Power: 40 Watts
ADB: 2
Serial: 2
SCSI: DB-25
USB: None
FireWire: None
Ethernet: None
Sound In: mono 8 bit (built-in mic)
Sound Out: mono 8 bit (built-in speaker)
History: The LC 520 was Apple's attempt to create a viable all-in-one computer for the 90s. It came in an attractive new one-piece case, sold for $2,000 U.S. and proved to be a popular home model. Many 520-style Macs have been produced since. The LC 520 was also released as the Performa 520.

