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Apple Macintosh LC 630 DOS Compatible vs Apple Power Macintosh 7500/100

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AppleMacintosh LC 630 DOS CompatibleApplePower Macintosh 7500/100
Overview
Released–1995
Performance
Processor68LC040 33 MHz (Macintosh LC 630 DOS Compatible)PowerPC 601 100 MHz (Power Macintosh 7500/100)
CPU cores11
Memory8 MB8 MB
Storage500 MB500 MB to 1 GB
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 CPUs100 MHz PowerPC 601 with 32 KB L1 cache, optional L2 cache and 64-bit data path at 50 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 video with 2 MB VRAM supports 24-bit colour through 832 × 624; 4 MB VRAM raises 1024 × 768 to 24-bit colour
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 RAMEight 168-pin DIMM slots; Apple supports 8–512 MB total with 70 ns memory
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, 500 MB or 1 GB SCSI hard drive and 4× 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 PCI slots; optional PC Compatibility 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 video, DB-25 SCSI, two GeoPort serial connections, AAUI and 10BASE-T Ethernet, S-video and RCA video inputs, RCA audio input and output, 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 weightBuilt-in video supports up to 1280 × 1024 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 kg9.98 kg
Width × depth × height320 × 419.5 × 109.5 mm365 × 430 × 156 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 6.15 × 14.37 × 16.93 inch and 22 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 150 W; 100–125 or 200–240 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 7.5.2. Apple lists 8 August 1995 as introduction; a separate maker first-sale date was not established.

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