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Hardware Functional Overview
M296
Features summary of the ATI M9CSP32 Video Chip Controller:
• 32-bit PCI bus (Rev 2.2), 3.3 V with bus mastering support.
• Comprehensive AGP support including 3.3 Volt (AGP 2X) and 1.5 Volt (AGP 4X) mode
operation, sideband
addressing, AGP texturing (direct memory execution), and support for AGP reads and writes,
including fast write
capability.
• Single channel 128/64-bit memory interface using SGRAM or SDRAM to build 8/16/32/64
MB configurations.
Operating frequency is 67MHz minimum to 220MHz maximum, SDR or DDR.
• 16-bit Zoom Video port.
• Support for ROM or Flash RAM parallel or serial video BIOS.
• Two independent CRT controllers to support two asynchronous simultaneous display paths.
• Integrated DAC for CRT with stereoscopic display support.
• Integrated second DAC for the second CRT (TV) support.
• Integrated LVDS interface: single and dual pixel per clock, up to 85MHz per channel.
• LCD panel detection.
• Integrated TMDS transmitter running up to 165MHz for support up to 1600x1200 at 60Hz.
Fully compliant with DVI
and DFP connection standards.
• Support for external TMDS transmitter via 24-bit digital output to drive most popular
TMDS transmitters up to
165MHz frequency.
• Internal and external Spread Spectrum support.
• Integrated enhanced TV encoder with 10-bit DAC (shared between second CRT DAC and
TV).
• Independent DDC lines for DAC and TMDS connections. Also full AppleSense support on
DAC connection.
• Static and dynamic Power Management support (APM as well as ACPI) with full VESA
DPMS and Energy Star
compliance.
• PCI bus power management 1.1 and AGP Busy and Stop signals Rev 1.61 and Solano 2-M.
• Full POWERPLAYTM and POWER ON DEMAND support.
• Comprehensive testability including full internal scan, memory BIST, I/O XOR tree and
Iddq.
• Ideal accelerator for Windows 2000 and Windows XP - includes patent pending hardware
support for the Windows
2000 andWindows XP alpha cursor, as well as acceleration of new GDI extensions such as
Alpha BLTs, Transparent
BLTs, and Gradient Fills.
• Fully compliant with PC 2001 requirements.
• Fully complient with Mobile PCI rev 1.0.
• Full ACPI 1.0b, OnNow, and IAPC (Instantly Available PC) power management, including
PCI power management
registers.
• Bi-endian support for compliance on a variety of processor platforms.
• Unique enhanced TCA (Triple-Cache Architecture) incorporates texture, pixel and vertex
caches to maximize
effective memory bandwidth.
• CCE high-speed pull architecture software interface optimized for Pentium III/4 and Athlon
FIC M295 / M296 Service Manual 4-17