Appendix H Compaq/Matrox G200 MMS Quad-Head PCI Graphics Card

H.2 FUNCTIONAL DESCRIPTION

The Matrox G200 MMS Quad-Head PCI Graphics Card provides high performance, multi- monitor 2D imaging. With four G200 graphics controllers each supported with an 8-MB SGRAM frame buffer, the card can provide, with appropriate OS, separate images on up to four displays. Each controller can drive either an analog RGB monitor or a digital video interface-compliant monitor (but not both).

BIOS

ROM

 

PCI

 

 

 

 

 

Intel

 

Card

Bus

 

 

 

21152

 

 

 

 

Edge

 

 

 

 

 

 

 

PCI Bridge

 

Connector

 

 

 

 

 

Controller

 

 

 

 

 

 

 

 

 

 

8 MB SGRAM Frame Buffer

MGA G200

Graphics

Controller #4

MGA G200

Graphics

Controller #3

8 MB SGRAM Frame Buffer

8 MB SGRAM Frame Buffer

MGA G200

Graphics

Controller #2

RGB

DVI

Adapter

Connector

RGB For Monitors #3 & 4

DVI

RGB

DVI Adapter Connector

MGA G200

Graphics

RGB

For Monitors #1 & 2

Controller #1

8 MB SGRAM Frame Buffer

DVI

Figure H-2.Matrox G200 MMS Quad-Head PCI Graphics Card Block diagram

H-2Compaq Personal Computers

Original - March 2002

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