Apple Macintosh LC 630 vs Apple Macintosh Quadra 610 DOS Compatible

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Macintosh LC 630 compared with Macintosh Quadra 610 DOS Compatible

	AppleMacintosh LC 630	AppleMacintosh Quadra 610 DOS Compatible
Overview
Released
Released	1994	March 1994
Performance
Processor
Processor	Motorola 68LC040 33 MHz (Macintosh LC 575)	Motorola 68LC040 25 MHz (Macintosh Quadra 610 DOS Compatible)
CPU cores
CPU cores	1	1
Memory
Memory	4 MB or 8 MB	8 MB
Storage
Storage	250 MB (better)	160 MB
CPU
CPU	Motorola MC68LC040 without an integrated floating-point unit; paged memory management and 8 KB cache. Nominal 33 MHz bus clock and 66 MHz internal clock, as Apple explains in its exact Japanese specifications and developer note. Optional PowerPC processor upgrade is separate from this original model	Original Apple TIL 14670, 13884 and shared Service Source identify a 25 MHz Motorola 68LC040 for Macintosh applications and a separate 25 MHz Intel 486SX on the DOS card, both with 32-bit data paths. The 68LC040 has a built-in memory management unit and no FPU; neither processor is the full-FPU 68040 or 486DX. Current support uses generic 68040/optional-FPU wording; this factory configuration follows the exact original documentation. Main processor comparisons describe the Macintosh CPU, not two identical processors.
GPU
GPU	Built-in video with 1 MB dedicated DRAM, 16-bit colour at 640 × 480 or 512 × 384 and 8-bit at 800 × 600 or 832 × 624; video capture not supported at 832 × 624	Macintosh video has 512 KB VRAM expandable to 1 MB; the DOS card has separate 512 KB video memory. At Macintosh 640 × 480, base VRAM gives 8-bit colour and expanded VRAM 16-bit; at 1152 × 870 these are 4-bit and 8-bit respectively. PC video supports compatible VGA/SVGA and Apple displays with its cable.
Memory type
Memory type	Original model has 4 MB soldered RAM and one 72-pin SIMM slot, expandable to 36 MB; 4 MB and 8 MB configurations in the October 1994 catalogue. Japanese configurations have 8 MB. 80 ns or faster SIMMs and 1 MB ROM. Later shared service-manual boards and DOS Compatible variants have different memory arrangements	Factory 8 MB Macintosh RAM, with 4 MB on the logic board and two 72-pin SIMM sockets; maximum supported Macintosh RAM 68 MB. DOS card can use shared Macintosh memory up to 64 MB or one 80 ns 72-pin SIMM up to 32 MB of PC-local memory. Current support and corrected TIL 14670 agree on 32 MB local maximum; the shared service manual says 64 MB and earlier descriptive TIL 13884 says 100 MB total, so those conflicting claims are not used as headline Macintosh capacity.
Storage type
Storage type	250 MB internal IDE hard disk in the original configurations, plus 1.44 MB SuperDrive floppy. Japanese maker lists 8 MB/250 MB versions with or without the double-speed AppleCD 300i Plus internal SCSI CD-ROM. April 1995 catalogue adds 350 MB disks without establishing exact RAM/CD pairings, so those configurations are not inferred. LC 630 DOS Compatible is a different dual-processor model	The May 1994 Apple Directions factory offering is 8 MB RAM and 160 MB internal hard disk; the generic current support range 160–230 MB does not establish another exact factory memory/storage pair. Built-in 1.44 MB Apple SuperDrive floppy and optional double-speed internal CD-ROM support Macintosh and DOS discs. The optional CD is shown in the shared-family maker photograph.
Expansion slots
Expansion slots	LC-compatible processor-direct slot, communications slot for either Ethernet or modem, video-input slot and optional TV tuner. Apple Video and TV/Video kits add capture and television features; they are not built into the base configuration. Optional PowerPC processor upgrade	Processor-direct slot occupied by DOS Compatibility Card, leaving no free PDS or NuBus position while retaining it. The card is also sold as an internal upgrade for existing Macintosh Quadra 610 and Centris 610 computers; it is distinct from the faster Power Macintosh 6100 DOS card.
Display
Screen
Screen	None built in	None built in
Connections
Ports
Ports	2 × headphone jack	Ethernet, headphone jack
External displays
External displays	–	Up to 2
Back ports
Back ports	DB-15 video, DB-25 external SCSI, one ADB, two serial ports with LocalTalk, sound input and rear sound output. Front headphone jack and infrared receiver; no USB. Ethernet uses an optional communications card	Two ADB ports, DB-15 Macintosh video, DB-25 external SCSI supporting up to six peripherals, two RS-232/RS-422 serial mini-DIN-8 connections, AAUI Ethernet, monaural microphone input and stereo-capable sound output. PC game port also available through DOS hardware.
External displays
External displays	Requires a separate monitor; Apple lists Color Plus 14-inch, Macintosh Color Display, AudioVision 14 and Multiple Scan 15 plus compatible VGA/SVGA displays. The maker catalogue photo includes an external monitor, keyboard and mouse	One shared display switched between environments, or separate Macintosh and PC displays showing both simultaneously. The second display serves the PC environment; do not imply a two-screen Macintosh desktop. Compatible Apple 13-, 14- and 16-inch monitors and VGA/SVGA displays in DOS; Macintosh supports its own wider display list. Adapters may be required.
Speakers
Speakers	Single internal speaker; 8-bit stereo sound output and monophonic recording, with 16-bit stereo CD playback. Front and rear headphone outputs cannot be used simultaneously. The Japanese specifications and shared service manual distinguish CD playback from ordinary sound output	Built-in speaker with Macintosh stereo eight-bit output through the sound jack and eight-bit monophonic input at 11 or 22 kHz. The later Power Macintosh DOS card's Sound Blaster playback is not transferred to this earlier hardware.
Keyboard and mouse
Keyboard and mouse	–	Apple Directions states MS-DOS 6.2 and Apple PC Exchange are supplied. Separate monitor, keyboard and mouse in the shared-family catalogue photograph are labelled as illustrated accessories rather than a universal bundle. Original Windows software capability does not establish a bundled Windows licence.
Design and power
Type
Type	Compact	Compact
Weight
Weight	7.7 kg	–
Width × depth × height
Width × depth × height	320 × 419.5 × 109.5 mm	414 × 396 × 86 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Original Japanese Apple specifications give 109.5 mm high, 320 mm wide and 419.5 mm deep; these exact metric values retained. October 1994 catalogue rounds these to 109/320/419 mm. Shared Service Source reverses width and depth, an unresolved documentation error. Shared maker service table gives 7.7 kg without CD-ROM and 8.6 kg with CD-ROM; weight varies with installed devices	Exact original DOS-compatible TIL gives 86 × 414 × 396 mm (height × width × depth), used here, and 7.4 kg varying with installed devices. Current support gives 14 lb, and shared Service Source 6.4 kg; weight is omitted because this conflict is unresolved. Shared service depth 107 mm is inconsistent with the exact original 396 mm and current 15.6-inch depth.
Power supply
Power supply	100–240 V AC, 50–60 Hz; 45 W maximum excluding monitor, according to Service Source. 4.5 V alkaline clock battery	Exact DOS specification gives automatically configured 100–240 V AC, 50–60 Hz and 210 W maximum excluding display power. Current support allows 47–63 Hz; shared-family Service Source gives 112 W excluding monitor. Conditions and maker disagreement remain qualified; neither is a measured normal consumption claim. 3.6 V lithium clock battery.
In the box
In the box	System 7.1.2 with the dedicated System Enabler; Japanese versions use KanjiTalk 7.1.2 and include an ADB Mouse II, with keyboard sold separately. Education and regional monitor/software bundles vary. Announced July 1994, with 2 August shipping planned in contemporary TidBITS; October 1994 maker buying catalogue lists the LC 630, so release uses supported year precision. Exact first retail delivery remains unconfirmed	System 7.1 with System Enabler 040 v1.1 and preinstalled MS-DOS 6.2. Current support records introduction on 28 February 1994; May 1994 Apple Directions explicitly says the computer shipped in March in the United States and selected international markets, supporting March 1994 release rather than substituting the introduction date. Apple later explicitly calls this the predecessor to Power Macintosh 6100 DOS Compatible.