Table of Contents
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WS4 Technical Overview
SC3200 GX1 Processor, Video Processor, Core Logic and Super IO
GX1 Processor
The Geode GX1 combines advanced CPU performance with MMX™ support,
accelerated 2D graphics, a 64-bit synchronous DRAM (SDRAM) interface controller,
PCI Bus Controller, and a display controller.
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32-bit, x86, 266Mhz clock speed, with MMX
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16 KB unified L1 cache
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Integrated floating point unit (FPU)
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Re-entrant SMM enhanced for VSA.
2D Graphics Accelerator
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Accelerates BitBLTs, line draw and text
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Supports all 256 raster operations
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Supports transparent BLTs
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Runs at the same frequency as the GX1
Memory Controller
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64-Bit SDRAM Interface
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66Mhz to 100 Mhz frequency range. The Workstation 4 runs at 78Mhz.
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Direct interface to CPU/cache, display controller and 2D graphics accelerator
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Supports clock suspend and power-down/self refresh
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Up to 8 SDRAM devices or one DIMM/SODIM socket.
Display Controller
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Hardware graphics frame buffer compress/decompress
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Hardware cursor, up to 32 x 32 pixels.
Video Processor
The TFT video processor includes hardware for scaling, filtering, and color space
conversion.
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Hardware video accelerator with video shaping and image enhancing
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Flexible video scaling support of up to 800% (horizontally and vertically)
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Bilinear interpolation filters (with two taps, and eight phases) to smooth video
output
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TFT Interface supports non-interlaced 800x600 or 1024x768 TFT LCD panels.
The Workstation 4 uses a 12.1" TFT (Active) LCD panel operating at a fixed
resolution of 800x600.
2-6
™
compatible instruction set.
Workstation 4 and 4 LX Field Service Guide
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Table of Contents
Troubleshooting
