Speeds & Timings
We used a FSB to memory ratio of 3:7 to reach PC10000 speeds, which is equal to DDR2-1250. Here, the system ran at either DDR2-1244...
... or at DDR2-1280 speed. However, it was necessary to relax the timings to CL5-5-5-15, and we had to increase the operating voltage to 2.4 V to achieve stable operation.
DDR2-1333 Not Stable
We wanted to see if the Dominator PC10000 RAM supported DDR2-1333 speed. At CL5-5-5-15 timings and 2.5 V plus active cooling, the test system executed CPU-Z properly, but failed at various other tasks. Clearly, 667 MHz or DDR2-1333 is not reliable.
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