Macintosh Performa 578
Codename: 
Introduced: February 1994
Discontinued: April 1995
Processor: Motorola 68LC040
Processor Speed: 33 MHz
Cache: 0.5 k L1
Data Path: 32 bit
System Bus: 33 MHz
Hard Drive Size: 320 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 7.1P6
Maximum Mac OS: Mac OS 8.1
Machine ID: 92
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 - 1 MB
Built-in Display: 14" RGB (640x480)
Display Connection: DB-15
Slots: 1 - LC PDS, Comm. slot
Hard Drive Bus: SCSI
Modem: 14.4k (internal)
PRAM: 4.5V alkaline
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 575 was released alongside the LC 550, adding a 33 MHz 68LC040 processor. It was also the first Mac to contain a specialized "comm slot" that could take various network and modem cards specially designed to fit the slot. the Comm slot has been a Performa standard ever since. It sold for $1,700 U.S. and was also released as the Performas 575, 577 and 578.

