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K Service Source
Macintosh LC 580/
Performa 580CD
K Service Source
Basics
LC580/Performa 580CD
Basics General Information - 1
General Information
Overview
These computers are higher-performance versions of the
Macintosh LC 575. Each features a 33 MHz 68040 logic
board with 4 MB of soldered DRAM (expandable to 52 MB
with two 72-pin SIMMs, 80 ns or less).
Macintosh LC 580
The Macintosh LC 580 supports various options, including
an IDE hard drive and a trayloading double-speed CD-ROM
drive.
Basics General Information - 2
Performa 580CD
Performa versions of Macintosh products include specific
bundles of software and hardware configurations.
The Performa 580CD is bundled with a 500 MB IDE hard
drive and a trayloading double-speed CD-ROM drive.
The information in this manual is applicable to both the
Macintosh and Performa versions unless specified
otherwise.
Basics General Information - 3
Rear View Diagram
Video-In External Video Communications
Access Cover Connector Cover Card Access Cover
LC Processor-Direct
Expansion Card
Access Cover
Basics General Information - 4
External Video Logic Board Diagram
Connector Slot
Battery
Video-In
Slot
Communications
SIMMs Slot
Single or
Double
Bank Slot
SIMMs
Single
Bank Slot LC Processor-Direct
Slot
Cudo
Reset
Button
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Specifications
LC 580/Performa 580CD
Specifications Processor - 1
Processor
Motorola 68LC040 microprocessor
33 MHz
Built-in memory management unit (MMU)
Specifications Memory - 2
Memory
RAM 4 MB of dynamic RAM on board
Expandable to 52 MB (fast-paced mode 80 ns DRAM SIMMs)
Two 72-pin SIMM connectors
ROM 1 MB of ROM
PRAM 256 bytes of parameter memory
Long-life lithium battery
VRAM 1 MB of DRAM soldered to logic board
Can display thousands of colors (16-bit)
Specifications Disk Storage - 3
Disk Storage
Floppy Drive Built-in 1.4 MB Apple SuperDrive, manual-inject
Hard Drive Internal IDE hard drive
CD-ROM Drive Optional internal CD-ROM drive
Specifications I/O Interfaces - 4
I/O Interfaces
Serial Two RS-232/RS-422 serial ports for external modem and
printer
Modem port uses a 9-pin mini-DIN connector
Printer port uses an 8-pin mini-DIN connector
SCSI One SCSI port for expansion
Accommodates up to six external SCSI devices
Apple Desktop Bus One AppleDesktop (ADB) port for keyboard and mouse
Maximum of three ADB devices recommended
Maximum current draw: 500 mA(Mouse draws 10 mA; keyboard
draws 25 mA.)
Specifications I/O Interfaces - 5
Sound Sound-input port for monaural sound input
Sound-output port capable of delivering 8-bit stereo sound
Stereo headphone jack capable of delivering 8-bit stereo sound
Processor-Direct Slot Internal expansion slot for 114-pin processor-direct expansion
card
Communications Internal expansion slot for optional 112-pin fax modem or
Slot Ethernet card
Video-In Slot Internal, 60-pin video-in slot for optional expansion card that
provides real-time video display, capture, and overlay
External Video One 22-pin connector for a second monitor
Connector Slot
Specifications I/O Devices - 6
I/O Devices
Keyboard Supports all Apple Desktop Bus (ADB) keyboards
Mouse Apple Desktop Bus Mouse II
Mechanical tracking, optical shaft, or contact encoding
Microphone Integrated microphone for mono sound input
Speaker Integrated stereo speakers capable of delivering 8-bit stereo
sound
Specifications Sound and Video - 7
Sound and Video
Sound Generator Records at 11 kHz or 22 kHz sample rate
Plays back at 11 kHz or 22 kHz sample rate
Two speakers with enhanced stereo sound
With optional CD-ROM drive, allows playback of ordinary audio
compact discs
Specifications Sound and Video - 8
Video Display 14-in. diagonal, high-resolution screen (11.5-in. viewable
image)
Gun Configuration: Horizontal inline
Phosphor (aluminized): P22 derivative
Phosphor CIE Coordinates:
Red x = 0.625