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Apple Macintosh LC 630 DOS Compatible vs Apple Power Macintosh 7100/66

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AppleMacintosh LC 630 DOS CompatibleApplePower Macintosh 7100/66
Overview
Released–1994
Performance
Processor68LC040 33 MHz (Macintosh LC 630 DOS Compatible)PowerPC 601 66 MHz (Power Macintosh 7100/66)
CPU cores11
Memory8 MB8 MB
Storage500 MB250 MB to 500 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 CPUs66 MHz PowerPC 601 with integrated memory management and floating-point unit, 32 KB L1 cache and 64-bit data path at 33 MHz
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 driverBuilt-in HDI-45 video uses system DRAM; separate DB-15 video has 1 MB VRAM standard and supports 2 MB for up to 24-bit colour at 832 × 624
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 RAM8 MB on the logic board plus four 72-pin SIMM slots installed in pairs; Apple supports 8–136 MB total
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 inferredInternal 1.44 MB floppy drive, 250 or 500 MB SCSI hard drive and optional 2× CD-ROM 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 recordsThree NuBus slots; processor-direct slot filled by the video card
Display
ScreenNone built inNone built in
Connections
Ports2 × headphone jackEthernet
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 EthernetApple Desktop Bus, DB-15 and HDI-45 video, DB-25 SCSI, two GeoPort serial connections, AAUI-15 Ethernet, microphone input and speaker output
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 weightDB-15 video supports up to 1152 × 870 pixels; available colour depth depends on VRAM
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 Me–
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 entry–
Design and power
TypeCompactCompact
Weight8.6 kg11.34 kg
Width × depth × height320 × 419.5 × 109.5 mm330 × 419 × 152 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 retainedApple's 6 × 13 × 16.5 inch and 25 lb reference dimensions; metric fields are rounded conversions
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 batteryMaximum 230 W; 100–240 V AC, 50–60 Hz; 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 omittedOriginal System Software 7.1.2 with PowerPC Enabler. Apple lists 14 March 1994 as introduction; a separate maker first-sale date was not established.

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