As usual, Abit have not skimped on any overclocking options with the AT7. Firstly, you are able to adjust your FSB speeds between 100MHz and 250MHz in 1MHz increments. The multiplier can be adjusted between 5.5x and 12.5x and DRAM, I/O and Core voltages can be adjusted. DRAM voltages can be set to either 2.55V, 2.6V, 2.75V or 2.85V, I/O voltages can be set to either 3.5V or 3.65V, and core voltages can be adjusted up to 1.85V in 0.025V increments. Another thing to note is that all of the onboard controllers can be disabled if you do not have a need for them.
I tested the board with an unlocked AthlonXP 1800+ (1.53GHz) and the cooling I used was a GlobalWin CAK38 with 7000RPM delta fan. No case fans were used. The highest I could overclock the board was to 1848MHz (11x168) with a core voltage of 1.85V. This is a very impressive overclock, but we feel that this board can go much higher if used with higher yield memory such as the new Samsung or Corsair modules. I feel that the Kingmax memory used was a bottleneck in overclocking results so even though this was a very respectable overclock, please don't view it as the maximum speed that can be obtained from this board. It is very important to note though that the Kingmax DDR333 memory we used was an engineering sample, and once the final modules are released they may give better overclocking results.
At this speed the board remained extremely stable, and even managed to run 12 hours of 3DMark2001 loops without crashing.
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- Abit AT7 - Page 1 [Introduction]
- Abit AT7 - Page 2 [Specifications]
- Abit AT7 - Page 3 [Packaging & Software Bundle]
- Abit AT7 - Page 4 [Layout]
- Abit AT7 - Page 5 [Features]
- Abit AT7 - Page 6 [Benchmarking]
- Abit AT7 - Page 7 [Benchmarking Cont.]
- Abit AT7 - Page 8 [Overclocking]
- Abit AT7 - Page 9 [Conclusion]
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