Mac LC 520 (Performa 520)

Take an LC III and graft on a 14″ Trinitron monitor along with stereo speakers. That’s what Apple did to create the 520.

With the all-in-one design, these were especially popular in schools. It even had a built-in microphone, just like the Color Classic.

The Performa version was not sold in the US.

The 520 was replaced by the slightly faster 550 in February 1994.

introduced 1993.06.28 at $2,000; discontinued 1994.02.02
requires System 7.1 (with Enabler 403) to 7.6.1
CPU: 25 MHz 68030
FPU: 68882 (optional)
Performance: 3.2 (relative to SE); 6.3 MIPS
ROM: 1 MB
RAM: 4 MB on motherboard, expandable to 36 MB using a single 80ns 72-pin SIMM; can use 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, or 32 MB SIMM
video: 512 KB VRAM, supports 640 x 480 at 8-bits
L2 cache: none
ADB: 2 ports for keyboard and mouse
serial: 2 DIN-8 RS-422 ports on back of computer
SCSI: DB-25 connector on back of computer
Hard drive: 80 or 160 MB
enhanced LC PDS slot
size (HxWxD): 17.9″ x 13.5″ x 16.5″
Weight: 40.5 lb.
PRAM battery: 3.6V half-AA
Gestalt ID: 56
addressing: 24-bit or 32-bit
upgrade path: LC 550, LC 575, LC 475/Quadra 605 motherboard, Power Mac PDS card

Sonnet Presto Plus (33 MHz 68LC040 or 68040, Ethernet, and 32 MB additional RAM)

Serial port normally restricted to 57.6 kbps; throughput with a 56k modem may be limited. See 56k modem page. For more information on Mac serial ports, read Macintosh Serial Throughput.

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