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| Manufacturer |
Diamond Multimedia Incorporated |
| Model number |
Fire GL1 |
| Design |
Single short form factor AGP card
- AGP ATX/NLX bus, AGP2x version 2.0 compliant, with sideband addressing
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Hardware
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| Graphics Engine |
IBM 256-bit Graphics Rasterizer with integrated |
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- VGA Controller
- 2D/3D Raster Engine and Texture Unit
- Video Accelerator Pipeline Engine
- 2 DMA / BLIT Units
- Polygon Setup Processor
- 250 MHz / 30-bit Palette DAC, including gamma correction table
- 256-bit memory interface
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| Memory |
32 MB SGRAM used for unified framebuffer, Z-,
Alpha-, Overlay-, Window ID and Clip/Stencil buffers, and texture storage |
| Clock |
100 MHz clock on raster engine and frame buffer |
| ROMBIOS |
64 KByte BIOS FlashROM, reprogrammable by
software |
| Acceleration |
32-bit RGBalpha TrueColor 2D and 3D acceleration |
| Resolution |
TrueColor screen resolutions up to
1920 x 1200, double-buffered |
| Overlay |
- 24-bit Z- buffer
- 4-bit double-buffer
- 8-bit single-buffer
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| Video Engine |
supports YUV conversion, point and bilinear
scaling |
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Software
- OpenGL 1.2 ICD
- Supports Windows NT 4.0 with Service Pack 4
- Multiprocessor system support
- Multithreaded OpenGL pipeline
- DDC2B support
- Driver supports Intel's Pentium II and Pentium III processors
- Supports Streaming SIMD Extensions (70 New Instructions) in the new Intel Pentium III
Processors
- Customized application settings for individual ISV applications
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Hardware Performance
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(As tested on an Intel Xeon 450, 128M RAM,
1280x1024, TrueColor, 60 Hz.) |
- 4 Million Polygons/s (25 pixels) sustained
- 7.8 Million antialiased 10-pixel vectors per second sustained
- 200 Million Pixels/second fill rate, Gouraud shaded, Z-buffered, non-Textured
- 45 Million Pixels/second Trilinear Texture fill rate
- Viewperf ProCDRS rate of 19+, on Single Intel Pentium III with Streaming SIMD Extensions
- 351 HE 99 WinMarks; 176 BG 99 WinMarks
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| All video modes comply with VESA DMT
(Discrete Monitor Timing) or VESA GTF (General Timing Format) standards. |
| Resolution |
Color Bits |
alpha Bits |
Line Frequency (kHz) |
Refresh Rate (Hz) |
| 640 x 480 |
24 |
8 |
31.5, 37.5, 43.3 |
60, 75, 85 |
| 800 x 600 |
24 |
8 |
37.9, 46.9, 53.7 |
60, 75, 85 |
| 1024 x 768 |
24 |
8 |
48.4, 60.0, 68.7 |
60, 75, 85 |
| 1280 x 1024 |
24 |
8 |
64.0, 80.0, 91.1 |
60, 75, 85 |
| 1600 x 1200 |
24 |
8 |
75.0, 93.8 106.3 |
60, 75, 85 |
| 1600 x 1024 |
24 |
8 |
81.3 |
76 |
| 1920 x 1200 |
24 |
8 |
74.5, 94.0 |
60, 76 |
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NOTE: Due to the limited usefulness of 256 color/8-bit modes for 3D-image
display (shading, etc.), these modes are not supported for Windows NT. Most applications
support full hardware acceleration only in TrueColor and HighColor video modes. |
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