Performance Tuning Guide

Intel DX58SO2/DX58OG Desktop Board Performance Tuning Guide
29
3.5.3.7.2 Memory Performance Options
The Memory Configuration BIOS page, shown in Figure 3.10 contains all the memory
timing options that can be adjusted.
NOTE
For each of the timings, except the multipliers, lower number settings correspond with
higher performance and potential memory system instability.
Figure 3.10. BIOS Memory Performance Settings Screen
3.5.3.7.3 Determining Memory Frequency
On the DX58SO2/DX58OG board, memory frequency is controlled directly from the
host clock. The default host clock frequency is 133.3 MHz. Increasing the host clock
frequency affects the memory frequency according to the following formula:
Memory frequency = (memory multiplier) * (percent increase in host clock
frequency) * (133.3 MHz)
Example: If the host clock frequency was increased by 1% and a multiplier of 8 was
being used, then the new memory frequency would be (8) * (1.01) * (133.3 MHz) =
1077 MHz
For the default 133.3 MHz memory clock, the resulting memory frequency with various
multipliers is shown in Table 3-2.