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Chapter 1 1
System Specifications
Features
Below is a brief summary of the computer’s many features:
NOTE: Some features not available on all models.
Operating System
• Genuine Windows® 7 Home Premium 64-bit
• Genuine Windows® 7 Home Basic 64-bit
CPU/Chipset
• AMD V Series processor V120 (512 KB L2 cache, 2.20 GHz, 3.2GT/s, 25 W) (Aspire 5251)
• AMD M880G Chipset (Aspire 5251)
• AMD Phenom™ II triple-core mobile processor N830 (1.5 MB L2 cache, 2.10 GHz, 3.6GT/s, 35 W)
(Aspire 5551/5551G)
• AMD Turion™ II dual-core mobile processor P520/N530 (2 MB L2 cache, 2.30/2.50 GHz, 3.6GT/s,
25/35 W) (Aspire 5551/5551G)
• AMD Athlon™ II dual-core processor P320/N330 (1 MB L2 cache, 2.10/2.30 GHz, 3.2GT/s, 25/35
W) (Aspire 5551/5551G)
• AMD RS880M and SB820M Chipset (Aspire 5251/5551/5551G)
System Memory
• Dual-channel DDR3 SDRAM support:
• Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules
(for 64-bit OS)
Display
• 15.6" HD 1366 x 768 pixel resolution, high-brightness (200-nit) Acer CineCrystal™ LED-backlit
TFT LCD
• 16:9 aspect ratio
Graphics
• ATI Radeon™ HD 4250 Graphics with 256 MB of dedicated system memory, supporting Unified
Video Decoder 2 (UVD2), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 4.1,
Microsoft® DirectX® 10.1 (Aspire 5251/5551)
• ATI Mobility Radeon™ HD 5650 with 1024 MB of dedicated DDR3 VRAM, supporting Unified
Video Decoder (UVD), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0,
Microsoft® DirectX® 11, OpenGL® 3.1, OpenCL™ 1.1 (Aspire 5551G)
• ATI Mobility Radeon™ HD 5470 with 512 MB of dedicated DDR3 VRAM, supporting Unified Video
Decoder (UVD), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0,
Microsoft® DirectX® 11, OpenGL ® 3.1, OpenCL™ 1.1 (Aspire 5551G)
Chapter 1