Features - Acer 390 Series Service Manual

2.4 65555
2.4.1

Features

Highly integrated design Flat Panel and CRT GUI Accelerator & Multimedia Engine,
Palette/DAC, and Clock Synthesizer
Hardware Windows Acceleration
64-bit Graphics Engine
System-to-Screen and
Screen-to-Screen BitBLT
3-Operand Raster-Ops
8/16/24 Color Expansion
Transparent BLT
Optimized for Windows
PCI Bus with Burst Mode capability and BIOS ROM support
Flexible Memory Configurations
64-Bit memory interface for EDO
Two, four, or eight 256Kx 16 DRAMs ( I MB, 2MB, 3MB, or 4MB)
One or two 512Kx32 DRAMs (2MB or 4MB)
Four 256Kx16 plus two 128Kx32 (3MB)
Two 128Kx32 DRAMs (IMB)
Four 128Kx16 DRAMs (IMB)
High Performance:
Deep write buffers
CRT Support
135 MHz RAMDAC
Hardware Multimedia Support
Zoom Video port
YUV input from System Bus or Video Port
YUV-RGB Conversion
Capture / Scaling
Video Zoom up to 8x
Vertical interpolation of video data up to 720 pixels wide.
Double Buffered Video
Horizontal Interpolation
Major Chips Description
BitBLT format
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