SQ578
♦
Support virtual screen up to 2048x2048
♦
Support 80/132 columns text mode in 25, 30, 44 or 60 rows and other modes
5.1.5
Video Functions
♦
Support full motion video playback up to 1027x768 256 colors in 1 MB DRAM
configuration
♦
Support single frame buffer architecture to save the DRAM cost
♦
Support graphics/video overlay function by color-key and /or chroma-key operations
♦
Support multi-format Video For Windows such as YUV420, YUV422, RGB565, and
RGB555
♦
Support YUV-to-RGB color space conversion
♦
Support video scaling in integer increments of 1/64
♦
Support horizontal 2-tap, 8-phase DDA interpolation for better quality of video
windows expansion
♦
Built-in 64x16 video capture FIFOs to support video capture
♦
Built-in four 64x48 line buffers to support vertical interpolation in YUV packed and
planar modes
♦
Built-in contrast enhancement and brightness adjustment logic to improve video
playback quality
♦
Support Microsoft Video For Windows
♦
Support color key and chroma key overlay
♦
Support 4-bit blending
♦
Support DCI drivers
♦
Support Direct Draw Drivers
♦
Support Direct MPEG Drivers
5.1.6
Power Management
♦
Support VESA Display Power Management Signaling (DPMS) compliant VGA
monitor for power management
♦
Built-in 30 min. standby and suspend timers with keyboard, hardware cursor, and/or
video memory read/write as activating source
♦
Support direct I/O command to force graphics controller into standby/suspend/off
state.
♦
Power down internal SRAM in direct color mode
Summary of Contents for SQ578
Page 1: ...SQ578 Pentium PCI Mainboard User s Manual...
Page 4: ......
Page 28: ......
Page 48: ...SQ578 4 20 IRQ10 IRQ11 IRQ12 IRQ14 IRQ15...
Page 57: ...SQ578 Documentation Rev Number A02 September 1997...