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Technical Reference Guide
2.4.9 GRAPHICS SUBSYSTEM
The 82845 MCH component includes an AGP 4X interface that supports an AGP graphics
controller installed in the AGP slot. The AGP slot includes both Type 1 and Type 2 retention
mechanisms. Dual-monitor support is possible by adding a PCI graphics card to the standard
configuration. Table 2-4 lists the key features of the standard graphics subsystems employed in
these systems:
Table 2-4. Standard Graphics Subsystem Comparison
Table 2-4.
Standard AGP Graphics Comparison
nVIDIA
Vanta
nVIDIA
Quadro2 EX/MXR
Matrox
Millennium
G450 Dual-Head
Matrox
G200 MMS
Std. Config. In Evo Wkstn. W4000 Evo Wkstn. W4000
Recommended
for:
Hi 2D,
Entry 3D
Hi 2D,
Entry 3D
Hi 2D,
Entry 3D
Multi-monitor
Hi 2D
Bus Type AGP 4X AGP 4X AGP 4X PCI
Mem. Amount 16 MB 32 MB 16 / 32 MB 8 MB x 4
Mem. Type SGRAM SDRAM SDRAM SGRAM
DAC Speed 300 MHz 350 MHz 360 MHz (Pri)
200 MHz (Sec)
250 MHz
Max. 2D Res.
1920x1200 1920x1200 2048x768 1920x1200
(analog mon.)
Software
Compatibility
Quick Draw,
DCI/DirectX,
Direct Draw,
Direct Show,
MPEG 1/2,
Indeo
Quick Draw,
DCI/DirectX,
Direct Draw,
Direct Show,
MPEG 1/2,
Indeo
Quick Draw,
DCI/DirectX,
Direct Draw,
Direct Show,
MPEG 1/2,
Indeo
Quick Draw,
DCI/DirectX,
Direct Draw,
MPEG 1/2,
OpenGL,
Direct 3D
Aux. I/O VESA I/F VESA I/F VESA I/F VESA I/F
Outputs 1 RGB 1 RGB, 1 DVI [1] 2 RGB 4 RGB/4DVI [2]
NOTES:
[1] DVI connector on MXR card only.
[2] Supports up to four monitors.
Compaq Evo and Workstation Personal Computers
Featuring the Intel Pentium 4 Processor
Second Edition - January 2003
2-17