Introduction; Features; Minimum System Requirements - Gigabyte GV-R455HM-512I User Manual

1.1. Features

• Powered by ATI Radeon
• Supports PCI Express 2.1
• GV-R455HM-512I supports ATI HyperMemory
performance by allowing the graphics processing unit (GPU) to dynamically share the
available system memory. The total effective VGA memory differs depending on system
memory.
(Note1)
• Supports DirectX 11
• Supports CrossFireX
• Supports 1 Dual-Link DVI-I connector
• Supports 1 D-Sub connector
• Supports 1 HDMI connector

1.2. Minimum System Requirements

• Hardware
- Intel Pentium
®
- 1 GB or more of system memory for best performance
- Optical drive for software installation (CD-ROM or DVD-ROM drive)
- A power supply that provides at least 400-watt is required. The power supply should be
with a known brand and certified to conform to safety regulations. (For the list of certified
power supplies, go to http://ati.amd.com/certifiedpsu.)
• Operating System
- Windows
- Windows
- Windows
- Windows
(Note 1) The amount of HyperMemory
ControlCenter. Microsoft System Information program in Windows 7 and Windows Vista lists only
amount of videomemory on Display Adapter under Adapter RAM item.
The amount of HyperMemory available under Windows 7 and Windows Vista is calculated using the
followingformula:
Total HyperMemory = (System Memory- 512) / 2 + Discrete graphics amount.
64MB graphics memory
128MB graphics memory HyperMemory=384MB HyperMemory=896MB HyperMemory=1344MB HyperMemory=1856MB
256MB graphics memory HyperMemory=512MB HyperMemory=1024MB HyperMemory=1536MB HyperMemory=2048MB
512MB graphics memory HyperMemory=768MB HyperMemory=1280MB HyperMemory=1792MB HyperMemory=2304MB
1024MB graphics memory HyperMemory=1280MB HyperMemory=1792MB HyperMemory=2304MB HyperMemory=2816MB
2048MB graphics memory HyperMemory=2304MB HyperMemory=2816MB HyperMemory=3328MB HyperMemory=3840MB
GV-R455 Series Graphics Accelerator

1. Introduction

HD 4550 Graphics Processing Unit (GPU)
TM
TM
4/Core 2 or AMD Athlon
®
TM
7.0
®
Vista
®
XP with Service Pack 2 (SP2)
®
XP Professional x64 Edition
®
will only be shown in the Information Tab found in the Catalyst
TM
1GB system memory 2GB system memory 3GB system memory 4GB* system memory
HyperMemory=320MB HyperMemory=832MB HyperMemory=1280MB HyperMemory=1792MB
technology which enables graphics card
TM
/Phenom
TM TM
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