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Gigabyte AMD A55 Chipset Overclocking Guide Owner's Manual

Summary

Unlock the full potential of your AMD Llano platform with this expert overclocking guide for GIGABYTE A-Series motherboards. Designed for advanced builders and performance enthusiasts, this manual provides deep dives into optimizing system stability using precise frequency adjustments and benchmark analysis. Learn how to maximize CPU and RAM speeds via specialized clock settings, delivering significant boosts in gaming FPS and productivity. If you are looking to extract the best possible performance from an AMD budget build, this resource offers essential parameters and tuning techniques.

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GIGABYTE AMD A55 CHIPSET OC GUIDE

AMD Llano platform was launched recently, so end-users are trying to understand the platform and how it fits in the grand scheme of things. One thing is for certain, Llano platform has fantastic potential to make a great all rounder or home media PC, office machine, even a gaming machine on a budget. We finally have an integrated GPU platform with some solid graphics performance thanks to AMD!

The key to unlocking the potential of Llano platform is overclocking. GIGABYTE A-Series motherboard range has big overclocking capability. The purpose of this guide is to show and analyse that overclocking capability and provide some general pointers and key overclocking parameters, in order to get the most out of the platform to improve end user experience.

Let's start with the test system used.

SYSTEM:  GIGABYTE A55M-S2V v1.1 (F2 shipping bios)  AMD A6-3500 (tricore, 2.1GHz-2.4Ghz CPU, 444MHz GPU clock)  4GB RAM KIT, Kingston KHX2133C9BD3T1K2/4GX  750W Corsair HX750 PSU  H70 Corsair water cooler  Kingston SSDNow V Series 128GB SSD Drive (SATA0 port)  ATI 11.7 Display Driver  Windows 7 64-bit OS

The following benchmarks were used to assess performance and stability.

BENCHMARKS:  3DMARK Vantage Performance  Super Pi 8M  Cinebench CPU  Cinebench Open GL  Dirt3 game  w Prime 32M

We chose a variety of CPU and GPU based benchmarks to try and understand how overclocking affects performance. In terms of CPU based benchmarks we chose Super Pi 8M, w Prime 32M and Cinebench CPU which test single and multi core performance. GPU based benchmarks include 3DMARK Vantage Performance, Cinebench Open GL and Dirt3 DX11 video game.

These benchmarks are in no way a final test of stability and for further stability testing it is recommended to use some form of CPU and GPU stress software. Ultimate stability is still the test of time.

Dino Strkljevic (dinos22), GIGABYTE Australia Page 1

Page Summary Contents For Gigabyte AMD A55 Chipset Overclocking Guide Owner's Manual

Page 1 GIGABYTE AMD A55 CHIPSET OC GUIDE AMD Llano platform was launched recently, so end-users are trying to understand the platform and how it fits in the grand scheme of things. One thing is for certain, ...
Page 2 BIOS screenshots Dino Strkljevic (dinos22), GIGABYTE Australia Page 2
Page 3 BASICS/KEY OC PARAMETERS Please be aware that current APUs are all locked. This means that even though a bios provides extra multipliers for CPUs or frequency adjustment on the GPU, they cannot actual...
Page 4 Max CPU/RAM/bclock frequency mix: 3.7GHz/2464Mhz/154Mhz bios settings Memory speed and timings: GIGABYTE bioses tend to work well with auto speed and timing controls generally however AMD Llano is the...
Page 5 Effects of memory overclock on system performance (highlighted GPU based benchmark increases) Cinebench CPU 40% Cinebench Open GL Dirt3 game 3DMARK Vantage P w Prime 32M Super Pi 8M Stock to 3.4GHz 15...
Page 6 3.4GHz OC voltage settings used 3.7GHz OC voltage settings used Other parameters SATA Controller setting: Stick to Native IDE as AHCI has problems clocking bclock past 108Mhz when enabled. Power Manag...
Page 7 Final overclocking results and conclusions Key parameters to overclock A-Series AMD platforms are bclock, CPU and memory frequencies. They further require voltage tuning via VCORE, VDDP, VCORE NB and ...
Page 8 PCMARK Vantage Super Pi 8M (in seconds, lower is better) Performance (higher is better) 2.1-2.4GHz CPU 3.4GHz (142Mhz 3.7GHz (154Mhz 2.1-2.4GHz CPU 3.4GHz (142Mhz 3.7GHz (154Mhz (Default CPU, bclock, ...