
Appendix E Compaq/NVIDIA M64 AGP Graphics Card
Compaq Personal Computers
Original - August 2000
E-2
E.2
FUNCTIONAL
DESCRIPTION
The Compaq/NVIDIA M64 AGP Graphics Card is based on the NVIDIA M64 PRO controller.
This card supports 3D effects such as texturing, z-buffering and alpha blending. The graphics
BIOS code is contained on-board in BIOS ROM.
Figure E–2
.
Compaq/NVIDIA M64 AGP Graphics Card Block diagram
The card includes a VESA-compliant video feature (VIP) connector allowing a video peripheral to
provide input to the DAC for overlaying a video image on the display. The video/graphics BIOS is
contained in ROM on the card. The NVIDIA M64 graphics controller contains the features listed
below:
♦
16- or 32-MB SDRAM frame buffer using 128-bit 143-MHz access
♦
AGP 4X transfers with sideband addressing
♦
2D drawing engine providing:
•
3 ROP BtBLT
•
Triangle BLT
•
Stretch BLT
•
Line and poly draw
•
Color expansion
•
Coor conversion and scaling
♦
3D rendering engine with:
•
Triangle setup
•
Anistropic filtering
•
Flat and Gouraud shading
•
Trilinear filtering
•
TwinTexel engine
♦
300-MHz RAMDAC
♦
32-bit Z/stencil buffer eliminates hidden screen portions for faster loading
♦
32-bit color for increased image quality
♦
30-fps full-screen DVD playback
♦
Dual-monitor support with a PCI graphics card
HSync
128-bit
143-MHz
Data Bus
Analog
Monitor
Connector
RGB
NVIDIA M64 Pro Graphics Controller
3D Array
Engine
Video
Scalar
300-MHz
RAM
DAC
CRT
Controller
Memory
I/F
AGP
Bus
Card
Edge
Connector
VSync
2D/VGA
Engine
16/32 MB
SDRAM
Frame Buffer
AGP 4X
I/F
BIOS
ROM
VIP
Connector
Video
Data
Содержание Deskpro EX
Страница 2: ......
Страница 4: ......
Страница 6: ......
Страница 8: ...Technical Reference Guide Compaq Deskpro EX Series of Personal Computers First Edition August 2000 ii ...
Страница 180: ...Appendix A Error Messages and Codes Compaq Personal Computers Changed June 2000 A 12 This page is intentionally blank ...
Страница 214: ...This page is intentionally blank ...