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Whereas we did not nx27arrivions to exceed the 150-160 MHz on the mother boards based on a chipset KT13Á tested jusqux27alors, ABIT forwarded to us a very right KT7A-RAID output of the R&D which according to statements' of the manufacturer could hold of very high FSB. Sceptiques initially, we were surprised to see that the statements dx27ABIT were true since the card allows dx27aller jusqux27au maximum authorized by SoftMenu, cx27est with saying 183 MHz! With this intention, we used the following configuration: - Mother board ABIT KT7A-RAID - 128 Mo of SDRAM PC166 Tonicom - Athlon 1.33 GHz - Taisol CGK742092 (Aqua 680) - Creative Ultra GeForce2 - hard Disk IBM 75GXP And as you can see it... that boot! With with the passage light a overclocking of lx27Athlon 1.33 GHz. Of course, we nx27avons not been able to prevent us dx27effectuer some rapids benchmarks. Why fast? Quite simply because in spite of I/O Voltage of 3.9V, this FSB of 183 MHz did not nx27était 100% stable. For a perfect stability, it is necessary to go down to 177 MHz. Quake III Arena 640*480 16 bits: 1000 MHz Fsb 133, Sdram 133 2-2-2: 156.6 fps 1008 MHz FSB 183, SDRAM 183 3-3-3: 177.1 fps 1.33 GHz FSB 133, SDRAM 133 2-2-2: 179.3 fps 1.46 GHz FSB 133, SDRAM 133 2-2-2: 185.8 fps 1.46 GHz FSB 183, SDRAM 183 3-3-3: 211.8 fps As you can see it the profit can be very interesting, since at frequency equalizes the passage dx27un FSB of 133 to a FSB of 183 makes it possible to gain approximately 14% of performances under Quake III, which is rather greedy in bandwidth. For the aficionados of CPU Mark, know qux27a 1.46 GHz with a FSB of 183 MHz, one obtains a score of 135. Now, remains to know if these KT7A especially indicated to support large FSB will be born on the market, which is still far dx27être some. In any case, that enabled us to check that the KT13Á can reach rather high frequencies, and this on the condition of laying out dx27un adequate design of mother board. Faded dx27overclocking nx27ont from now on more qux27a to hope that these special KT7A unload one day in the retailers...
