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3 Interface Devices and Mass-Storage Drives
Cirrus 5465 Graphics Controller Chip
• Green power saving features.
• GUI acceleration width (in bits).
• Hardware acceleration of graphical user interface (GUI) operations
through a bit-block transfer mechanism.
• Hardware cursor.
• Integrated programmable, dual-clock synthesizer.
• Integrated triple 8-bit DAC.
• Integrated 24-bit, 135 MHz RAMDAC.
• Lighted and shaded textures with Gouraud ramp and transparent texture.
• Maximum pixel clock.
• Maximum memory clock.
• PCI Bus Master mode for 2D/3D display list instruction fetch (Processor
mode) and data fetch and store to system memory.
• Point and line draw support via polygon engine DDAs.
• Specular lighting.
• Standard and Enhanced Video Graphics Array (VGA) modes.
• Superior TV-like quality video performance: hardware video window; YUV
video support; color key, chroma key; X & Y interpolated zooming.
• Support for up to 4 MB, 50 ns EDO video DRAM (though space is only
provided on the system board for 2 MB).
• Support for Gouraud shading in 8-, 16-, and 24-bpp display modes.
• Texture map source from system memory or RDRAM.
• Three-operand BitBLT.
• Video Overlay Support.
• Video playback acceleration.
• X, Y interpolated scaling.
• YCrCb support.
• YUV-to-RGB conversion in stretch engine path, supports MPEG textures.
• Z-storage and retrieval from either system memory or RDRAM.