SQ578
♦
Built-in 64x64x2 bit-mapped hardware cursor
♦
Built-in 6 stages PCI post write-buffer and 128 bits read-ahead cache to
minimize wait-states in video memory access.
♦
Built-in 4 stages GUI engine write-buffer and 9 stage read-buffer to minimize
engine wait-state.
♦
Built-in 64x64 CRT FIFOs with multiple scan lines prefetch capability to
imporove integration VGA performance
♦
Support Memory-mapped I/O.
♦
Support linear addressing mode up to 4Mbyte to speed up graphics performance
5.1.3
Interation
♦
Built-in programmable 24-bit true-color RAMDAC with reference-voltage
generator
♦
Built-in dual-clock generator
♦
Built-in monitor-sense circuit
♦
Built-in graphics accelerator and VGA controller
♦
Built-in video acclerator
♦
Built-in Phillips SAA7110/SAA7111, Brooktree Bt815/817/819A(8-bit SPI
mode 1,2) video decoder interface
♦
Built-in Standard feature connector logic support
♦
Built-in downloadable RAMDAC for graphics and video gamma correction in
direct color modes
5.1.4
Display Memory Interface
♦
Support FPM/EDO/Synchronous DRAM
♦
Support 32/64-bit display memory path resolution, Color & Frame Rate
♦
Support 170 MHz pixel clock
♦
Support super high resolution graphics modes
§
640x480 256/32K/64K/16M colors NI
§
800x600 16/256/32K/64K/16M color NI
§
1024x768
16/256/32K/64K/16M color NI
§
1280x1027
16/256 colors NI, 32K/64K colors interlace only
§
1600x1200
256 colors NI
Содержание SQ578
Страница 1: ...SQ578 Pentium PCI Mainboard User s Manual...
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Страница 48: ...SQ578 4 20 IRQ10 IRQ11 IRQ12 IRQ14 IRQ15...
Страница 57: ...SQ578 Documentation Rev Number A02 September 1997...