ATI Radeon™ Xpress 1250 (for AMD) - Specifications 

Specifications

CPU Interface

• Supports the Yukon, Athlon, Sempron processors
• Supports HyperTransport 1.0 Technology

Memory Interface

• DDR2-400, -533, -667, -800 SDRAM.
• Up to 16 GB of system memory (for systems with 4 slots).
• Unified Memory Architecture - 64 MB to 512 MB of the main memory configurable as display memory. (256MB UMA is needed for smooth HD playback)

PCI Express® Interface

• Compliant with the PCI Express 1.1a Specifications.
• One x16 graphics interface.
• Up to 6 x1 PCI Express general purpose ports.

3D Acceleration Features

• 3D Texture support, including projective 3D textures.
• Complete 3D primitive support: points, lines, triangles, lists, strips and quadrilaterals and BLTs with Z compare.
• Anti-aliasing using multi-sampling algorithm with support for 2, 4, and 6 samples.
• New generation rendering engine provides top 3D performance.
• Support for OpenGL format for Indirect Vertices in Vertex Walker.
• Full DirectX® 9.0 support (Vertex Shader version 2.0 and Pixel Shader version 2.0)
• Support for up to 512b per pixel formats (4 color case).

2D Acceleration Features

• Highly-optimized 128-bit engine, capable of processing multiple pixels per clock.
• Hardware acceleration for ClearType font rendering.
• Game acceleration including support for Microsoft's DirectDraw: Double Buffering, Virtual Sprites, Transparent Blit, and Masked Blit.
• Supports a maximum resolution of 2048x1536 @ 32bpp (driver-limited).

Motion Video Acceleration Features

• Enhanced MPEG-2 hardware decode acceleration for SD video
• Provides dramatically reduced CPU utilization without incurring the cost of a full MPEG-2 decoder.

Multiple Display Features

• Dual independent displays: LCD/CRT, LCD/TV, LCD/HDMI, LCD/LCD
• Resolution, refresh rates, and display data can be completely independent for the two display paths.
• Both display controllers support true 30 bits per pixel throughout the display pipe.
• Both display paths support VGA and accelerated modes, video overlay, hardware cursor, hardware icon, and palette gamma correction.
• Supports both interlaced and non-interlaced displays.

TV Out

• An integrated TV encoder from ATI's Xilleon™ products, with an on-chip DAC.
• Supports Macrovision 7.1 copy protection standard (required by DVD players).
• Supports all standard resolutions for RGB-based TVs.
• Supports the following formats of YPbPr component output: 480i, 480p, 576i, 576p, 720p, and 1080i.

HDMI

• Supports a TMDS interface, enabling HDMI 1.2.
• 1650 Mbps/channel† with 165 MHz† pixel clock rate per link.
• HDCP 1.1 support on data stream with on-chip key storage.*

Power Management Features

• Fully supports ACPI states S1, S3, S4, and S5.
• Clocks to every major functional block are controlled by a unique dynamic clock switching technique.
• Self-refresh DDR2 SDRAM in Suspend mode.
• Supports ATI PowerOnDemand™, PowerExpress™, PowerPlay™ (enhanced with the new PowerShift™ feature).
• Support dynamic lane reduction for the PCI-Express interfaces, adjusting to the task the number of lanes employed.

Universal Connectivity

• 10 USB 2.0 ports
• SATA Gen 2 PHY support at 3.0Gb/s with e-SATA capability
• 4 ports SATA AHCI controller supports NCQ and slumber modes
• ATA 133 controller support up to UDMA mode 6 with 2 drives (disk or optical)
• TPM 1.1 and 1.2 compliant
• ASF 2.0 support for manageability control
• HPET (high precision event timer), ACPI 3.0, and AHCI support for Windows Vista
• Power management engine supporting Intel platforms and forward compliant to MS Windows Vista
• UAA (universal audio architecture) support for High-Definition Audio and MODEM
• PCI v2.3 (up to 6 slots)
• LPC (Low Pin Count), SPI (new flash bus), and SM (System Management) bus management and arbitrations
• "Legacy" PC compatible functions, RTC (Real Time Clock), interrupt controller and DMA controllers