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Document ECG026/0498
W
P
HITE
APER
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Table 4: STB MVP Workstation Technical Specifications
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Controller
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Bus Type
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RAMDAC
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Memory Type
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Memory Amount
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Memory Speed
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Data Path
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Vertical Refresh Rate
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Horizontal Scan Rate
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Max Pixel clock
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Video Features:
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Interface
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MPEG HW Acceleration
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Engine Acceleration:
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BitBLT
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Line Draw
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Polygon
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3D
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Operating Systems
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ELSA GLoria-XL 3D Graphics Controller
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Select models of the Compaq Professional Workstation 5100 include the GLoria-XL 3D graphics
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controller to deliver high resolutions and color depths for customers running a variety of 2D and
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3D applications. This is a new 3D controller based on the 3Dlabs MX + Delta graphics
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processors.
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The ELSA GLoria-XL 3D graphics controller provides an optimized hardware pipeline for
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acceleration of floating-point intensive 3D graphics including hardware support for texture
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mapping, which is required by certain applications in the CAD/CAM and animation arenas.
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The GLoria-XL uses dual-ported Video RAM (VRAM) for the frame buffer. The GLINT
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processor used on the GLoria-XL also has a separate DRAM-based Z-buffer for Z-coordinates
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(the third dimension in 3D), alpha data (transparency and fog effects), stencil buffer, and texture
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maps. The GLoria-XL also incorporates the S3 Trio64V2 processor for VGA boot support, which
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has its own dedicated DRAM-based frame buffer. The GLoria-XL also supports the new Compaq
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P1610 24" monitor at resolutions up to 1920 x 1200. It is also capable of processing 16.7 million
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colors in resolutions up to 1920 x 1080.
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The GLoria-XL comes standard with 16 MB of VRAM frame buffer memory, 24 MB of DRAM
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Z-buffer/texture memory for the GLINT processor, and 1 MB DRAM Frame Buffer memory for
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the S3 Trio64V2 VGA processor. The Z-buffer/texture memory is upgradeable up to 40 MB
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DRAM to provide greater Z-buffer and alpha depth in higher resolution modes, and texture-
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mapping memory. Compaq offers a 16 MB z-buffer/texture memory upgrade option. The
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maximum resolutions, colors, and refresh rates are outlined in the chart below; lower resolutions
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are selectable.
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13
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S3 ViRGE DX
PCI
Integrated 170 MHz
EDO DRAM
4 MB per port
35 ns
64-bit
60 - 160 Hz
31.5 – 91 KHz
170 MHz
VGA Feature Connector
Yes
Yes
Yes
Yes
Yes
Windows NT 4.0 or 3.51
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