Driver: STB Pegasus
Last Update: December 18, 1997
Availability Information
A version of this driver is on the OPENSTEP CD-ROM
No updated versions of this driver are available
Driver Name / Installer .pkg: PegasusDisplayDriver
Driver Type: Display
Driver Scope: Product Family
Supported Components: AT&T ATT20C505 RAMDAC, Brooktree Bt485A RAMDAC, S3 928
PC Bus / Interface Supported by Driver*: VL-Bus
General Overview notes: The STB Pegasus-VL graphics driver is designed to support the VL-Bus version of the Pegasus graphics adapter from STB. This card uses the S3-928 graphics controller and supports 1MB,2MB or 4MB of video frame buffer. This version of the driver only supports1MB, 2MB or 4MB of VRAM.
Supported Products / Add-on Adapters:
STB Pegasus (VL-Bus, 4MB VRAM)
STB Pegasus (VL-Bus, 2MB VRAM)
Special Features of Driver / Driver Notes:
This device driver provides information in the Configure application's help panel. Choose Info>Help from the Configure menu and scroll down to find this device driver's help topic.
Display Driver Details
Supported Connectors: 15-pin High Density (VGA)
Access Mode: Linear Framebuffer
Adapter Memory: 2MB VRAM, 4MB VRAM
Display Modes (Number in () after resolution indicates frame buffer size required)
32 Bit Color Modes*:
1024x768 (4MB+), 640x480 (2MB+), 800x600 (2MB+)
16 Bit Color Modes*:
1024x768 (2MB+), 1152X819 (4MB+), 1280x1024 (4MB+), 1600x1200 (4MB+), 640x480 (1MB+), 800x600 (1MB+)
8 Bit Color / Greyscale Modes*:
1024x768 (1MB+), 1152X819 (1MB+), 1280x1024 (2MB+), 800x600 (1MB+)
Known Problems
PCI Versions of the STB Pegasus are not supported
Driver Version Notes
3.30 - Shipped with NS3.3 - based on interpreted IOVP code
3.31 - Total re-write in ObjC - 8 bit color modes added
4.00 - Released on OPENSTEP 4.0 User CD-ROM
* - Indicates information that is inclusive of the entire capability of this driver. Not all devices supported by this driver may include all features listed.
Product Vendor
STB Systems
1651 North Glennville, Suit 210
Richardson, TX 75081
(214) 234-8750