INFO: Abit KR7A(-R) Optimal Bios settings As far as the KR7A is concerned here are a few tips that worked for me. These settings are what I use for maxed performance. SoftMenu III- CPU Speed: User Define FSB: Your choice Ratio: 4:2:1 Speed Error Hold: Disabled Voltages: As you see fit. I recommend you start with 2.75 DDR voltage to overclock. CPU Command Decode: This is an important setting! For <150FSB set to Ultra, 150-200FSB set to Fast (using Ultra above 150 or so can cause stability issues...Your Mileage May Vary) Advanced Chipset Features Setup- System Hole, System BIOS and Video RAM: All Disabled DRAM Clock/Drive Control- DRAM Clock: 133MHz (do not set to SPD if overclocking) DRAM Timings: Manual DRAM CAS Latency: 2 Bank Interleave: 4-way Precharge to Active: 2T Active to Precharge: 5T (6T is more stable only if needed) Active to CMD: 2T DRAM Command Rate: Another important setting! Use 1T at 133 to 150 or so, 2T at higher FSB speed. 1T will limit your overclock so experiment with it. I have found that you'll get better overall performance by using 2T and running a higher overclock) AGP and P2P Bridge Control AGP Aperture Size: 128M (smaller of 128 or 1/2 of RAM) AGP Mode: 4x (works fine to 200FSB for me) AGP Driving Control: Auto (works fine for me) Fast Write, Read Master and Write Master: All disabled (for max stability) CPU and PCI bus control- Default settings fine If using 2 sticks of memory try using DIMMs 2 and 4 (works better for many users when overclocking). Hope that helps! |
Thx Jmke, this one helped a lot. |
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