Apple Macintosh LC 580 vs Apple Macintosh Quadra 610

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Macintosh LC 580 compared with Macintosh Quadra 610

	AppleMacintosh LC 580	AppleMacintosh Quadra 610
Overview
Released
Released	1995	1993
Performance
Processor
Processor	Motorola 68LC040 33 MHz (Macintosh LC 575)	Motorola 68040 25 MHz (Macintosh Centris 650)
CPU cores
CPU cores	1	1
Memory
Memory	8 MB	8 MB
Storage
Storage	500 MB (better)	160 MB to 230 MB
CPU
CPU	Original Motorola 68LC040 at 33 MHz, without an integrated floating-point unit. Apple catalogue gives 66/33 MHz internal/bus clock; optional PowerPC upgrade is excluded from this configuration. Shared Service Source describes it as an updated LC 575	25 MHz Motorola MC68040 with integrated FPU and memory management unit, 32-bit data bus and 8 KB cache on the datasheet/catalogue configurations listed here. Apple developer note confirms an entry-level MC68LC040 version without FPU, plus socketed processors; its exact RAM/storage pairing has not been established in maker ordering tables and is not invented here. DOS Compatible hardware and later PowerPC upgrades are separate options
GPU
GPU	Built-in video uses 1 MB DRAM soldered to the logic board, displaying 32,768 colours at 640 × 480	512 KB VRAM standard, upgradable to 1 MB. At 640 × 480, 512 KB gives 256 colours and 1 MB gives 32,000 colours; at 1152 × 870, 16 shades with 512 KB and 256 with 1 MB. The 8/230CD configuration includes 1 MB VRAM
Memory type
Memory type	8 MB standard in the maker catalogue: 4 MB soldered plus one 4 MB SIMM, with a second socket free. Two 72-pin 80 ns SIMM sockets, expandable to 52 MB; the single-bank socket accepts only 1, 4 or 16 MB modules. 1 MB ROM in original service specifications	4 MB DRAM on the logic board plus two 72-pin SIMM slots; 8 MB supplied in the maker catalogue configurations. Up to 68 MB total; 80 ns or faster SIMMs can be installed individually. 1 MB ROM
Storage type
Storage type	500 MB internal IDE hard disk in the catalogue configuration, plus manual-inject Apple SuperDrive floppy. Double-speed tray-loading internal CD-ROM is optional or included in some regional configurations; the separately marketed Performa 580CD has its own software and hardware bundle	1.44 MB Apple SuperDrive with enlarged manual-insertion slot, replacing the Centris automatic-injection design. Maker ordering offers 8/160 with hard disk and no CD-ROM, or 8/230CD with 230 MB SCSI hard disk and AppleCD 300i double-speed drive
Expansion slots
Expansion slots	One 114-pin LC processor-direct slot, one communications slot for optional Ethernet or fax modem, one video-input slot for optional capture hardware and an internal connector for optional external video	One internal slot accepts either a processor-direct card or a seven-inch NuBus card with the required adapter. Internal bay for optional 5.25-inch half-height storage device; not a full-length NuBus chassis
Display
Screen size
Screen size	14″	None built in
Resolution
Resolution	640 × 480	–
Panel
Panel	CRT	–
Refresh rate
Refresh rate	66.67 Hz	–
Display type
Display type	Built-in 14-inch diagonal shadow-mask colour CRT, 0.28 mm dot pitch. The exact service manual calls the viewable image 11.5 inches and gives a nominal 240 × 180 mm active raster; these maker descriptions are retained separately	–
Display features
Display features	640 × 480 at 66.67 Hz in the exact timing table (66.7 Hz rounded elsewhere in the same manual); 16-bit colour	–
Connections
Ports
Ports	Headphone jack	Headphone jack
Front ports
Front ports	Stereo headphone socket; front brightness and contrast controls	–
Back ports
Back ports	One ADB port; one DB-25 SCSI port supporting six external devices; two RS-232/RS-422 serial ports, with 9-pin mini-DIN modem and 8-pin mini-DIN printer connectors; mono sound input and stereo sound output	Two ADB, two RS-232/RS-422 serial mini-DIN-8, DB-25 SCSI, DB-15 video, mono sound input and stereo-capable sound output. AAUI-15 Ethernet included on the datasheet/catalogue versions; optional across the wider family and absent from the entry-level version. No USB or external floppy connector
External displays
External displays	Optional external video connector supports mirroring on compatible 640 × 480 and 800 × 600 monitors, as listed in the shared service manual; no external video socket as standard	Maker lists built-in support for Apple displays and compatible RGB/VGA/SVGA displays. Separate monitor and keyboard; catalogue setup image shows Macintosh Color Display and Apple Extended Keyboard II as separately ordered options
Speakers
Speakers	Two integrated speakers; 8-bit stereo playback and mono recording at 11 or 22 kHz. Optional CD-ROM supports audio-CD playback	Built-in mono speaker; stereo eight-bit sound chip supports external stereo headphones/equipment. Eight-bit monophonic sound input sampled at 11 or 22 kHz
Microphones
Microphones	Integrated microphone for monaural sound input	–
Keyboard and mouse
Keyboard and mouse	Supports Apple Desktop Bus keyboards and the ADB Mouse II. Maker photograph shows a keyboard and mouse; regional education bundles vary	Mouse, software and documentation in maker ordering list; monitor and keyboard ordered separately
Design and power
Type
Type	All-in-one	Compact
Weight
Weight	18.3 kg	6.4 kg (better)
Width × depth × height
Width × depth × height	343 × 419 × 455 mm	415 × 397 × 85 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Apple catalogue: 455 × 343 × 419 mm (height × width × depth), 18.3 kg, varying with installed devices. Service Source rounds the same 17.9 × 13.5 × 16.5 inch case to 455 × 344 × 420 mm and 18.4 kg; headline follows the catalogue’s published metric values	Exact datasheet metric dimensions retained: H8.5/W41.5/D39.7 cm; 6.4 kg varies with internal devices. Shared Service Source incorrectly prints depth4.2in/107mm; exact datasheet and archived support agree15.6in depth
Power supply
Power supply	Automatically configured 100–240 V AC mains; service supply operating range 90–264 V rms, 50–60 Hz ±3 Hz	100–240 V AC with automatic configuration; exact datasheet gives 50–60 Hz and 210 W maximum excluding monitor. Shared Service Source lists 112 W excluding monitor; preserve the source disagreement rather than treat either as measured running consumption. 3.6 V lithium clock battery
Power use
Power use	Service Source: 120 W maximum for all line and load conditions. Current support article describes a PowerPC-upgraded configuration and lists 60 W, so that figure is not transferred to the original model	–
In the box
In the box	Original 68LC040 model is offered in Apple’s April and October 1995 catalogues; the latter identifies US education-only sales and varying worldwide configurations. Current Apple support article describes an installed PowerPC 601 upgrade card. It records introduction on 3 April 1995, while contemporary Macworld says education shipping was planned for that day; exact actual first retail delivery is unconfirmed, so release retains supported year precision	System 7.1 with System Enabler 040 v1.1 per archived maker specifications. Apple introduction is21October1993, not adopted as first-sale day. Fall1993 maker catalogue offers ordering and a promotion through31December1993, supporting sold during1993; exact first-delivery month remains unconfirmed