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DRAM Speculative Leadoff
This is a performance enhancement available with some chipsets to speed up the (relatively slow) first access to system memory. In short, the memory controller "cheats" by starting the initial read request before the address for the read has been completely resolved. This can result in a performance increase. For best efficiency you will normally enable this. If doing so causes instability then you should disable it.
Note: This setting is
normally controlled by the DRAM Timing or Auto Configuration mode, and if automatic
settings are enabled you may not be able to change this.
Next: Turn-Around Insertion