TITLE
    Macintosh Classic II: Description (Discontinued)
Article ID:
Created:
Modified:
8992
10/18/91
6/8/94

TOPIC


    This article describes the Macintosh Classic II computer.


DISCUSSION


    The Macintosh Classic II offers many built-in capabilities. You can send electronic mail and share devices like printers using built-in networking with third-party products. You can plug peripherals (such as CD-ROM drives, scanners, and modems) into the built-in ports. The microphone allows you to add voice notes to documents and mail messages.

    Applications run more than twice as fast on the Macintosh Classic II as they do on the original Macintosh Classic. You can work with several applications at the same time, and continue working while the computer does other tasks.

    The Macintosh Classic II stores the video buffer in system RAM. Video data loads into a buffer in 64-bit chunks by burst mode read. The remaining RAM bandwidth is available to the CPU. The on-board video uses 9.4% or 12.5% of the RAM bandwidth, depending on whether video is active or not. Macintosh Classic II's video supports a frame rate of 60.15 Hz.

    The Macintosh Classic II uses main memory for the sound buffer. It maintains a sound buffer in the on-board RAM, located above the video buffer. Like the Macintosh LC, it allows for playthrough which permits an external audio source to mix with computer-generated sound and play out through the speaker or headphone jack. The left and right channel of the stereo phono jack are tied together to produce 2-channel monophonic output.

    Macintosh Classic II Features
    -----------------------------
    - Power and Speed
    - 16 MHz 68030 microprocessor

    - Memory
    - 2MB or 4MB RAM, expandable to 10MB
    - Virtual memory

    - Expansion
    - Seven built-in ports for peripherals such as printers, scanners, and
    microphone
    - Internal connector for optional math coprocessor

    - System Software
    - System 7.0.1, with multitasking, file sharing, Balloon Help, and
    TrueType

    - Networking
    - Built-in AppleTalk networking
    - File sharing without a dedicated server

    - Compatibility
    - Macintosh, MS-DOS, OS/2, and ProDOS floppy disk formats



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