TGUI9440-2

      The Trident Graphic User Interface(GUI) TGUI94440-R accelerator is a highly, intergrated, DRAM-based, graphic CRT controller for 32 bit PCIBus interface. It provides a flexible,low cost, high performance solution for a diverse range of color depth, CRT resolution, and display memory configuration. It is highly innovative system design and full acceleration graphics engine dramatically improves GUI functions and significantly enchances overall system operation.
      TGUI9440-2 has many unique features. The first one is complete hardware compatibility: PCI rev 2.1 compliant; 100% IBM VGA compatible on  BIOS, register, and hardware level; 160 pin PQFP package. The second one is highly intergrated design: Fully intergrated 24 bit true color DAC with color look-up table,108 MHz programmable clock synthesizer, 100% IBM compatible VGA core,and GUI accelerator; 256*18 color look-up table with Hicolor and true color bypass mode support, dual loop memory/video clock; Two wire interface to EEPROM or VESA DDC2B; 32K intergrated ROM BIOS and also allows external ROM.The third one is accelerated graphics functions: optimized graphic functions for BitBLs, line drawing, short stroke vectors, rectange fills, and text transfer; 256 raster operations(ROPs) for 8 bit pixel(pseudo color)and 15/16 bit pixel(HiColor) graphic modes; Accelerated color expansion modes; Hardware cursor(64*64* 2 or 32* 32* 2 ); Built-in pattern register. The forth one is multimedia support.The fifth one is sofeware support. The fifth one is extended display resolution. The sixth one is simple Bus interface support.The sevnth one is flexible display memory interface: 1/2 MB, 1MB, or 2 MB display memory configuration with memory densities of 256K*4, 256K*8 and 256K*16; Requires only one 256K*16 DRAM or 1024*768-16 color SVGA solution; 32 bit memory bus imterface with programmable DRAM timing up to 80 MHz. The last one is " Deep Green PC" power management:VESA display power management signaling (DPMS) compatible; Simple RAMDAC power down and clock idle register interface.
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