Common Options : Auto, No Delay, 0.5ns, 1.0ns, 1.5ns

Details

This function fine-tunes the DRAM timing to adjust for different DRAM loadings. DRAM load changes with the number as well as the type of DIMM installed. More DIMMs and double-sided DIMMs increase the DRAM load. As such, a single single-sided DIMM provides the lowest DRAM load.

With heavier DRAM loads, you may need to delay when the chipset latches onto the DIMMs during reads. Otherwise, the chipset may fail to latch properly onto the DIMMs and read data from them.

Normally, you should just let the BIOS decide for itself (using the Auto option). But if you notice that your system has become unstable upon installation of additional DIMMs, you should try manually setting the DRAM Read Latch delay yourself. Naturally, a longer delay decreases performance so use the lowest value that resolves the problem.

If you have a light DRAM load, you can ensure optimal performance by manually using the No Delay option. This forces the chipset to latch onto the DIMMs without delay, even if the BIOS thinks a delay is needed. Naturally, this can potentially cause stability problems so if you find that your system has become unstable, simply revert back to the default value of Auto so that the BIOS can automatically adjust the DRAM timing for the DRAM load.