User Guide

48 Reference
Memory and BIOS
• 128 MByte Double Data Rate (DDR) SDRAM for unified
framebuffer, Z-buffer and texture storage
•
128 KByte BIOS FlashROM, 3.3V only, reprogrammable by
software
Connectors
• Two 25-pin DVI-I output connectors for digital flat-panel (DFP)
displays and analog or digital CRT displays
•
Stereographic 3-pin Mini-DIN output connector for
stereoviewing eyewear (supports StereoGraphics CrystalEyes
shutter glasses).
Hardware Performance
•
32-bit RGB
α
True color 2D and 3D acceleration
•
TrueColor screen resolutions up to 1920 x 1200, double-buffered
with Z-buffer
•
24-bit Z, 8-bit stored alpha, 8-bit overlay & 8-bit WID, 8-bit
clip/stencil planes
• Performance test on Intel P4 1.5 GHz, single processor, 512 MB
Rambus, 1280x1024, TrueColor, 60 Hz.
12.6
Million antialiased 3D 10-pixel vectors per second
20 Million 3D 10-pixel vectors per second, non-antialiased
31 Million 1-pixel triangles per second
12 Million 25-pixel triangles per second, Gouraud shaded, Z-
buffered, non-textured
6.2 Million 25-pixel triangles per second, trilinear texture fill
rate, Mip-mapped
630 Million pixels per second, Gouraud shaded, Z-buffered, non-
textured
220 Million pixels per second trilinear texture fill rate, Mip-
mapped