Macintosh Display Card 24AC: Technical Specifications (12/94)

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



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.

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