Foxconn 661M03 user manual Performance Mode Default Disabled, Dram Timing control Default By SPD

Chapter 3 BIOS Description

DRAM Clock/Timing Control Menu

Performance Mode (Default: Disabled)

This option is used to disable or enable performance mode.

DRAM Timing control (Default: By SPD)

This option determines DRAM timing using SPD or manual configuration. Only set as manual, the following 4 items can be updated.

DRAM CAS Latency (Default: 2.5T)

This option determines CAS Latency. The available setting values are: 2T, 2.5T, 3T.

RAS Active Time (tRAS) (Default: 6T)

This option determines RAS active time. The available setting values are: 4T - 9T.

RAS Precharge Time (tRP) (Default: 3T)

This option is used to define the idel clocks after issusing a precharge com- mand to the SDRAM.

RAS to CAS Delay (tRCD) (Default: 3T)

This option is used to define the minimum RAS to CAS delay using 1us granularity.

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