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NEXTSTEP for Intel Processors Release 3.3

Display Driver Overview

Driver: Canon object.station41 Display
Driver Overview: NeXTanswer #1774
Last Update:
April 23, 1997

Availability Information

A version of this driver is on the CDROM
Newer Released Driver in NeXTanswers*:
No, Version 0.00, as NeXTanswer #
Newer Beta Driver in NeXTanswers*: No, Version 0.00, as NeXTanswer #

Driver Name / Installer .pkg: CanonObjectstation41DisplayDriver
Driver Type: Display
Driver Scope: Specific Product
Supported Components: Brooktree Bt485 RAMDAC, C&T 64200 (Wingine)
PC Bus / Interface Supported by Driver**: Integrated

General Overview notes: This new graphics driver is designed to support the on-board Chips and Technologies Wingine graphics controller on the Canon object.station 41. The graphics subsystem of the object.station 41 was custom designed to operate with NEXTSTEP. The system uses a RAMDAC design modified to support NEXTSTEP's 4-4-4 internal 16bit color representation for improved graphics performance. This design includes 2MB VRAM and supports a variety of high resolution and high color (32bit) modes.

Supported Products / Add-on Adapters:

Supported Products / Systems (ie integrated into PC System):
Canon object.station 41

Special Features of Driver / Driver Notes:

Display Driver Details

Supported Connectors:
15-pin High Density (VGA)
Access Mode:
Linear Framebuffer
Adapter Memory: 2MB VRAM

Display Modes (Number in () after resolution indicates frame buffer size required)

32 Bit Color Modes**:
640x480 (2MB+), 800x600 (2MB+)

16 Bit Color Modes**:
1024x768 (2MB+), 1120x832 (2MB+), 1152x900 (2MB+), 800x600 (1MB+)

8 Bit Color / Greyscale Modes**:
1024x768 (1MB+), 1120x832 (1MB+), 1152x900 (1MB+), 1280x1024 (2MB+)

Known Problems

1024x768x72Hz 16-bit color mode is unstable on some Object.station computers.

Driver Version Notes

Future Planning

Future / Update Planning:

Reason for New Driver / Update:
New Driver / Update Timeframe:

New Driver / Update Description:

Note: Information contained in the "Future Planning" section of this document does not constitute a commitment on the part of NeXT to complete the planned development work.

* - Any NeXTanswer number that is blank indicates that a driver will not be released for this version of NEXTSTEP.

** - Indicates information that is inclusive of the entire capability of this driver. Not all devices supported by this driver may include all features listed. Check any available NeXTanswers and the hardware manual for the device for additional information.

Product Vendor


USA toll-free phone sales and information: +1 (800) 349 6007
USA toll-free phone technical support: +1 (800) 830 1062
Canon FactsLine [fax-back service]: +1 (800) 526 4345

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