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Apple Macintosh LC 630 DOS Compatible vs Apple Macintosh Quadra 610

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AppleMacintosh LC 630 DOS CompatibleAppleMacintosh Quadra 610
Overview
Released–1993
Performance
Processor68LC040 33 MHz (Macintosh LC 630 DOS Compatible)Motorola 68040 25 MHz (Macintosh Centris 650)
CPU cores11
Memory8 MB8 MB
Storage500 MB160 MB to 230 MB
CPUMacintosh 68LC040, with 66/33 MHz clock notation: CPU execution and bus at 33 MHz, doubled internal clock at 66 MHz. AppleFacts April 1995 and the later Apple Memory Guide identify 68LC040; the LC 630 DOS technical booklet and shared Service Source instead print 68040 and the booklet claims an FPU. That disagreement is retained rather than assuming a standard Macintosh FPU. The separate DOS card contains a 66 MHz Cyrix Cx486DX2 or Intel 80486DX2, both explicitly supported by the exact developer note; this is not a pair of matching Macintosh CPUs25 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
GPUMacintosh video uses a fixed 1 MB DRAM frame buffer with no video-memory expansion. DOS card has separate 512 KB DRAM and VGA controller. PC environment supports VGA 640 × 480 and SVGA 800 × 600 plus legacy EGA/CGA/MDA. Shared-display colour modes and resolution depend on environment and driver512 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 type8 MB Macintosh RAM: 4 MB soldered and a 4 MB SIMM, with two 72-pin 80 ns SIMM sockets. Maximum 52 MB on the main logic board using 32 MB and 16 MB SIMMs; the second socket accepts 1, 4 or 16 MB. PC card has its own 4 MB 72-pin SIMM, expandable to 32 MB, or can use a selected portion of Macintosh RAM; those independent pools are not added to the headline Macintosh RAM4 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 typeOriginal AppleFacts configuration includes 500 MB IDE hard disk, manual-insert 1.4 MB SuperDrive and internal CD-ROM. Shared Service Source identifies double-speed AppleCD 300i Plus; the exact technical booklet also permits a configuration without the CD-ROM drive. Internal IDE and external SCSI are separate interfaces; no internal SCSI drive inferred1.44 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 slotsDOS hardware occupies the Macintosh processor socket and LC-compatible PDS. Separate communications slot accepts optional modem or Ethernet; video-input slot and TV-tuner connector remain available. Original main DOS board, sound daughterboard and game-adaptor board are distinct components. Performa 630/640 DOS Compatible bundles use this family design; ordinary LC 630 and Quadra 630 are separate recordsOne 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
ScreenNone built inNone built in
Connections
Ports2 × headphone jackHeadphone jack
Front portsStereo headphone jack and volume push buttons; optional infrared remote control. Keyboard soft power supported–
Back portsOne ADB, DB-15 monitor, DB-25 external SCSI, two mini-DIN-8 RS-232/RS-422 serial ports, sound input and rear sound output. DOS adaptor adds a DB-15 PC game-controller connector. Supports up to six external SCSI devices; no built-in EthernetTwo 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 displaysSeparate compatible display needed. Macintosh output supports 640 × 480 at 16-bit colour and 800 × 600 at 8-bit; exact developer note describes a single shared monitor and environment switching. Original AppleFacts staged setup photographs include an external Apple monitor and keyboard/mouse; pictured accessories are not included in the computer dimensions or weightMaker 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
SpeakersMacintosh sound input is 8-bit mono; output 8-bit stereo or 16-bit stereo CD playback. Built-in speaker is muted by either sound-output jack. Included Sound Blaster 16-compatible PC sound card outputs through Macintosh speaker/headphones; the PC environment cannot send or receive serial MIDI according to the exact Apple Read MeBuilt-in mono speaker; stereo eight-bit sound chip supports external stereo headphones/equipment. Eight-bit monophonic sound input sampled at 11 or 22 kHz
Keyboard and mouseADB keyboard and mouse supported; original staged photographs show an external monitor, keyboard and mouse. Performa bundles may include these accessories and software according to their regional configuration; exact LC 630 DOS supplied bundle is not established by the recovered worldwide AppleFacts entryMouse, software and documentation in maker ordering list; monitor and keyboard ordered separately
Design and power
TypeCompactCompact
Weight8.6 kg6.4 kg
Width × depth × height320 × 419.5 × 109.5 mm415 × 397 × 85 mm
Operating systemmacOSmacOS
Size and weight detailExact Apple technical booklet publishes 320 mm wide × 419.5 mm deep × 109.5 mm high. 8.6 kg with CD-ROM, 7.7 kg without; weight varies with installed options. Shared Service Source swaps width/depth labels, so the exact technical booklet dimensions are retainedExact 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 supply100–240 V AC, 50–60 Hz; 45 W maximum excluding monitor, as published in exact technical booklet and shared Service Source. DOS card 10 W maximum is a subsystem rating, not added to the 45 W headline. Macintosh clock/calendar has a battery100–240 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
In the boxMac OS and PC environment operate concurrently, with only the active environment receiving input. PC Setup switches environments, shares folders and configures drive-container files. Original AppleFacts identifies MS-DOS 6.2 and Windows 3.1 support. First actual retail sale has not been established from the recovered maker records, so released is omittedSystem 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

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