TITLE
    Macintosh Display Card 24AC: Technical Specifications (12/94)
Article ID:
Created:
Modified:
14837
3/9/94
12/21/94

TOPIC



    This article gives the technical specifications for the Apple Macintosh Display Card 24AC.


DISCUSSION


    System Requirements
    -------------------
    *╩To use the Apple Macintosh Display Card 24AC, you need a Macintosh II
    family with NuBus slot, Centris, Quadra, or Power Macintosh computer.

    Note: Certain Macintosh II family computers can use this card with an
    additional NuBus adapter card.

    *╩Macintosh-compatible monitor

    *╩Hard disk

    *╩2 MB of RAM or more (4 MB or more recommended)

    * Macintosh System software version 7.1 or later

    Operating Environment
    ---------------------
    *╩Temperature: 10 to 55 degrees C (50 to 131 degrees F)

    * Humidity: 5% to 95% noncondensing

    * Altitude: 10,000 ft. Maximum (3048 m)

    Dimensions
    ----------
    * 6.5x4 in.

    Technical Specifications
    ------------------------
    Interface: NuBus

    Connector: 15-pin D-Style (RS-343A)

    Display Modes: The Apple Macintosh Display Card 24AC works with any of the
    following monitor modes:

    Macintosh Resolutions Additional Resolutions
    --------------------- ----------------------
    640x480 @ 67Hz 640x480 @ 60Hz

    832x624 @ 75Hz 800x600 @ 60Hz

    1024x768 @ 75Hz 1024x768 @ 60Hz

    1152x870 @ 75Hz

    640x870 @ 75Hz

    Maximum Bit Depth: 24-bit (all resolutions)

    Maximum Colors: 16.7 million

    NuBus Power Consumption: The maximum power allowances form different
    voltage sources are:

    Voltage Current (A)
    ------- -----------
    +5 1.8
    +12 0.0
    -12 0.01

    Video Port Specifications
    -------------------------

    Pin Output Signal
    --- -------------
    1 Red Return
    2 Red Video
    3 C Sync
    4 ID 1
    5 Green Video
    6 Green Return
    7 ID 2
    8 Reserved
    9 Blue Video
    10 ID 3
    11 C Sync and V Sync Return
    12 V Sync
    13 Blue Return
    14 H Sync Return
    15 H Sync
    Shell Shell Ground


    Article Change History:
    21 Dec 1994 - Added Power Macintosh to computers supporting the card.

    Support Information Services

Document Information
Product Area: Computers
Category: Cards
Sub Category: Graphic/Video Cards
Keywords: specsht

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