VIA VT8365 ProSavage KM133 Integrated Graphics
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| Features |
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- High performance SMA North Bridge: Integrated VIA Apollo Pro133A and S3 Savage4 in a single chip
- 64-bit Advanced Memory controller supporting PC100/PC133 SDRAM
- AGP Expansion Interface supporting AGP 4x, 2x, or 1x external AGP graphics card upgrade
- Combines with VIA VT8231 PCI-LPC South Bridge for state-of-the-art power management
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| High Performance CPU Interface |
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- Socket A (AMD Athlon and Duron).
- 100MHz CPU Front Side Bus (FSB)
- Built-in Phase Lock Loop circuitry for optimal skew control within and between clocking regions
- Five outstanding transactions (four In-Order Queue (IOQ) plus one output latch)
- Dynamic deferred transaction support
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| Advanced High-Performance DRAM Controller |
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- DRAM interface runs synchronous (66/66, 100/100, 133/133) mode or pseudo-synchronous (66/100, 100/66, 100/133, 133/100) mode with FSB
- Concurrent CPU, AGP, and PCI access
- 64-bit data width
- Supports masimum 8-bank interleave (8 pages open simultaneously); banks are allocated based on LRU
- SDRAM X-1-1-1-1-1-1-1 back-to-back accesses
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| Accelerated Graphics Port (AGP) Controller |
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- AGP Specification Rev. 2.0 compliant
- Supports 266MHz 4x mode for AD and SBA signaling
- Supports SideBand Addressing (SBA) mode (non-multiplexed address/data)
- Pipelined split-transaction long-burst transfers up to 1GB/sec
- Intelligent request reordering for maximum AGP bus utilization
- AGP Expansion graphics override the integrated graphics by default with no SMA frame buffer
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| Integrated Savage4 2D/3D/Video Accelerator |
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- Optimized Shared Memory Architecture (SMA)
- 2 to 32MB frame buffer using system memory
- Floating point triangle setup engine
- Single cycle 128-bit 3D architecture
- 8M triangles/second setup engine
- 140M pixels/second trilinear fill rate
- Full AGP 4x, including sideband addressing and execute mode
- S3 DX7 texture compression (S3TC)
- Next generation, 128-bit 2D graphics engine
- High quality DVD video playback
- Flat panel monitor support
- 2D/3D resolutions up to 1920 x 1440
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| 3D Rendering Features |
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- Single-pass multiple textures
- Anisotropic filtering
- 8-bit stencil buffer
- 32-bit true color rendering
- Specular lighting and diffuse shading
- Alpha blending modes
- Massive 2K x 2K textures
- MPEG-2 video textures
- Vertex and table fog
- 16 or 24-bit Z-buffering
- Sprite anti-aliasing, reflection mapping, texture morphing, shadows, procedural textures and atmospheric effects
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| 2D Hardware Acceleration Features |
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- ROP3 Ternary Raster Operation BitBLTs
- 8, 16 and 32 bpp mode acceleration
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| Motion Video Architecture |
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- High quality up/down scaler
- Planar to packed format conversion
- Motion compensation for full speed DVD playback
- Hardware subpicture blending and highlights
- Multiple video windows for video conferencing
- Contrast, hue, saturation, brightness and gamma controls
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| Concurrent PCI Bus Controller |
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- PCI 2.2 compliant, 320bit 3.3V PCI interface with 5V tolerant inputs
- Supports up to 5 PCI masters
- PCI to system memory data streaming support
- Delay transaction from PCI master accessing DRAM
- Symmetric arbitration between Host/PCI bus for optimized system performance
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| Advanced System Power Management Support |
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- Dynamic power down of SDRAM (CKE)
- Independent clock stop controls for CPU/SDRAM, AGP and PCI bus
- PCI and AGP bus clock run and clock generator control
- VTT suspend power plane preserves memory data
- Suspend-to-DRAM and self-refresh power down
- Low-leakage I/O pads
- ACPI 1.0 and PCI Bus Power Management 1.1 compliant
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| Additional Features |
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- 300MHz RAMDAC with Gamma Correction
- I²C Serial Bus and DDC Monitor Communications
- 2.5V Core and Mixed 3.3V/5V Tolerant and GTL+ I/O
- 35 x 35mm PBGA package with 552 balls
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