AMD Confidential
User Manual September 12h, 2008
70 Chapter 7: Device Configuration
a. Patterned Fills
b. Constant Shaded
c. Gouraud Shaded (partially)
d. Texture Mapping (partially)
Trapezoids
a. Constant Shaded
Lines
a. Auto-Lines (line open/line close)
b. Solid-Lines (line open/line close)
8, 15, 16, 24, and 32 Bits Per Pixel video modes
ILOAD Pseudo- DMA Window Transfers
Programmable, transparent BLTer
Linear packed pixel frame buffer
Supported DirectX 6.1 Features
Alpha Test0
Alpha Blending Functions
a. Normal-Blending
b. Transparency-Blending
c. Additive-Blending
d. Soft-Additive-Blending
e. Multiplicative-Blending
Depth Test (Z-Buffer) 15-bit, 16-bit, 24-bit, and 32-bit
Texel-Width (4-, 8-, 12-, 15-, 16-, and 32-bit
UV Texture Coordinate support
DMA-Vertex Engine
Supported Graphics Modes
The Matrox G400 provides three different display modes: text (VGA or SVGA), VGA
graphics, and SVGA graphics. Table 7-4 list all of the display modes which are available
through BIOS calls.
Mode Number
Type
Organization
Resolution
No. of colors
Supported
0x00
VGA
40x25 Text
360x400
16
0x01
VGA
40x25 Text
360x400
16
0x02
VGA
80x25 Text
720x400
16
0x03
VGA
80x25 Text
720x400
16
0x04
VGA
Packed-pixel 2 bpp
320x200
4
0x05
VGA
Packed-pixel 2 bpp
320x200
4
0x06
VGA
Packed-pixel 1 bpp
640x200
2
0x07
VGA
80x25 Text
720x400
2
0x0D
VGA
Multi-plane 4 bpp
320x200
16
0x0E
VGA
Multi-plane 4 bpp
640x200
16
0x0F
VGA
Multi-plane 1 bpp
640x350
2
0x10
VGA
Multi-plane 4 bpp
640x350
16
0x11
VGA
Multi-plane 1 bpp
640x480
2
0x12
VGA
Multi-plane 4 bpp
640x480
16
0x13
VGA
Packed-pixel 8 bpp
320x200
256