Acer Aspire one 521 Series, Service Manual, Page: 26 / 177

16 Chapter 1
Features • CPU HyperTransport. Interface
• Supports 16-bit up/down HyperTransport (HT) 3.0 interface up
to 4.4 GT/s.
• Supports 200, 400, 600, 800, and 1000 MHz HT1 frequencies.
• Supports 1.6, 1.8, 2.0, and 2.2 GHz HT3 frequencies.
• Supports AMD AM3 and S1g3-socket CPUs, including the
AMD Phenom II and Caspian-series processors.
• Supports LDTSTOP interface and CPU link stutter mode.
ATI HyperMemory.
• Supports ATI HyperMemory.*.
* Note: Includes dedicated and shared memory. The amount of
HyperMemory available is determined by various factors.
For details, please consult your AMD CSS representative.
PCI ExpressR Interface
• Supports PCIe Gen2 (version 2.0).
• Optimized peer-to-peer and general purpose link performance.
• Highly flexible PCI Express implementation to suit a variety of
platform needs.
• A dual-port, x16 graphics interface.
• Supports programmable lane reversal for the graphics link to
ease motherboard layout when the end device does not
support lane reversal (not applicable to the RS880MC).
• Supports six general purpose lanes, for up to six devices on
specific ports.
A-Link Express II Interface
• One x4 A-Link Express II interface for connection to an AMD
Southbridge. The A-Link Express II is a proprietary interface
developed by AMD basing on the PCI Express Gen2 version
2.0 technology, with additional Northbridge-Southbridge
messaging functionalities.
• Supports programmable lane reversal to ease motherboard
layout.
2D Acceleration Features
• Highly-optimized 128-bit engine, capable of processing
multiple pixels per clock.
• Hardware acceleration of Bitblt, line drawing, polygon and
rectangle fills, bit masking, monochrome expansion, panning
and scrolling, scissoring, and full ROP support (including
ROP3).
• Optimized handling of fonts and text using AMD proprietary
techniques.
• Game acceleration including support for Microsoft's
DirectDrawR: Double Buffering, Virtual Sprites, Transparent
Blit, and Masked Blit.
• Acceleration in 1/8/15/16/32-bpp modes:
• Pseudocolor mode for 8bpp
• ARGB1555 and RGB565 modes for 16bpp
• ARGB8888 mode for 32bpp
• Significant increase in the High-End Graphics WinBenchR
score due to capability for C18 color expansion.
• Setup of 2D polygons and lines.
Item Specification