Quoted from www.powervr.com


Introducing PowerVR 250

PowerVR 250 is the PC implementation of PowerVR™ Second-Generation technology.

PowerVR 250 Features

Powerful 2D Engine
  • Full ROP, text and line primitives
  • Full VGA compatibility
  • YUV to RGB color space conversion
  • MPEG2 decode assist (motion compensation acceleration)
  • Integrated 230Mhz DAC (1600x1200@85Hz)
  • Color key overlay
  • Multiple video windows

Powerful 3D Engine

  • Tile based reduced bandwidth rendering engine
  • 32-bit floating point Z-buffering calculation function with no performance penalty
  • Up to 5M polygons/sec (forward facing delivered to the screen)
  • Fill rate 200-500M pixels/sec (depending on scene complexity)

Full Triangle & Texture Setup

  • Full polygon setup engine
  • Bus mastered parameter fetch
  • Advanced texturing (Bi-linear, Tri-linear, Anisotropic, Bump-mapping)
  • True color 32 bpp pipeline
  • Translucency sorting
  • Image super-sampling/scene anti-aliasing
  • Per pixel loadable table fog
  • Specular highlights with offset colors

Pentium II and AMD K6-2 3DNow! Optimized

Support for up to 32mb of SD/SGRAM

Alpha + Multipass Blending

  • Multitexturing support
  • Color key and alpha blended textures
  • D3D and OpenGL blend modes
  • Environment mapping

PCI/AGP Interface

  • 2X AGP (133Mhz) with sideband addressing
  • PCI 2.1

TV-Video I/O

  • Bilinear up and down scaling
  • NTSC/PAL support
  • Interfaces to industry standard TV and Flat-panel displays
  • VMI Capture Port for camera, DVD, MPEG2 decoders

Software Support

  • Windows 95 and Windows 98
  • Windows NT 4.0 and Windows 2000
  • Microsoft DirectX 5.0 & 6.0
  • OpenGL
  • PowerSGL Direct

PC 99 Support

  • PCI Power Management
  • VMI
  • DDC2B
  • VBE 3.0 BIOS