Intel AN430TX Product Specification - Page 20

VESA/ATI Multimedia Channel Connector, 1.9.3 Brooktree Video Capture Processor - driver

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AN430TX Motherboard Technical Product Specification 1.9.1.2 Resolutions and Refresh Rates Table 1. ATI-264GT Rage II+ Maximum Refresh Rates at Different Resolutions 2 MB Memory Resolution 640 x 480 800 x 600 1024 x 768 1152 x 864 1280 x 1024 4-bit Color (16 Colors) 160 160 160 160 160 Maximum Refresh Rate (Hz) At: 8-bit Color (256 Colors) 16-bit Color (64K Colors) 160 160 160 160 160 160 160 160 160 160 24-bit Color (16M Colors) 160 160 not supported not supported not supported 1.9.1.3 Graphics Drivers and Utilities Graphics drivers and common graphics utilities are available for Windows 3.x, Windows 95, and Windows NT. Drivers and utilities are available from Intel's World Wide Web site (see Section 5.2). 1.9.2 VESA/ATI Multimedia Channel Connector The motherboard has an optional 40-pin VESA/ATI Multimedia Channel connector that uses 26 pins for the VESA standard bus and 12 pins for the ATI Enhanced Visual Architecture bus. The connector features a shared frame buffer interface and a Local Peripheral Bus (LPB) with a bidirectional interface that supports video companion devices like MPEG/live video decoders. 1.9.3 Brooktree Video Capture Processor The motherboard features an optional Brooktree Bt829A Video Capture Processor for digitizing analog NTSC/PAL/SECAM input signals from TV tuners, VCRs, cameras, and other sources of composite or Y/C video. The Bt829A has the mixed signal circuitry required to convert an analog composite signal into a scaled digital video stream supporting several video formats, resolutions and frame rates. The Bt829A features include: • Single-chip composite/S-Video NTSC/PAL/SECAM to YCrCb digitizer • Square pixel and CCIR601 resolution for NTSC, PAL, and SECAM • Chroma comb filtering • Horizontal and vertical filtered scaling • Programmable hue, brightness, saturation, and contrast • User-programmable cropping of the video window • 2x oversampling • Two-wire I2C bus interface • 8- or 16-bit pixel interface • Automatic NTSC/PAL format detection • Automatic gain control 20

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AN430TX Motherboard Technical Product Specification
20
1.9.1.2
Resolutions and Refresh Rates
Table 1.
ATI-264GT Rage II+ Maximum Refresh Rates at Different Resolutions
2 MB Memory
Maximum Refresh Rate (Hz) At:
Resolution
4-bit Color
(16 Colors)
8-bit Color
(256 Colors)
16-bit Color
(64K Colors)
24-bit Color
(16M Colors)
640 x 480
160
160
160
160
800 x 600
160
160
160
160
1024 x 768
160
160
160
not supported
1152 x 864
160
160
160
not supported
1280 x 1024
160
160
160
not supported
1.9.1.3
Graphics Drivers and Utilities
Graphics drivers and common graphics utilities are available for Windows 3.x, Windows 95, and
Windows NT.
Drivers and utilities are available from Intel’s World Wide Web site (see
Section 5.2).
1.9.2
VESA/ATI Multimedia Channel Connector
The motherboard has an optional 40-pin VESA/ATI Multimedia Channel connector that uses
26 pins for the VESA standard bus and 12 pins for the ATI Enhanced Visual Architecture bus.
The
connector features a shared frame buffer interface and a Local Peripheral Bus (LPB) with a
bidirectional interface that supports video companion devices like MPEG/live video decoders.
1.9.3
Brooktree Video Capture Processor
The motherboard features an optional Brooktree Bt829A Video Capture Processor for digitizing
analog NTSC/PAL/SECAM input signals from TV tuners, VCRs, cameras, and other sources of
composite or Y/C video.
The Bt829A has the mixed signal circuitry required to convert an analog
composite signal into a scaled digital video stream supporting several video formats, resolutions
and frame rates.
The Bt829A features include:
•
Single-chip composite/S-Video NTSC/PAL/SECAM to YCrCb digitizer
•
Square pixel and CCIR601 resolution for NTSC, PAL, and SECAM
•
Chroma comb filtering
•
Horizontal and vertical filtered scaling
•
Programmable hue, brightness, saturation, and contrast
•
User-programmable cropping of the video window
•
2x oversampling
•
Two-wire I
2
C bus interface
•
8- or 16-bit pixel interface
•
Automatic NTSC/PAL format detection
•
Automatic gain control