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Foxconn 661FX7MI-RS User Manual

Page 41

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Chapter 3 BIOS Description

34

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

v

DRAM CAS Latency
This option determines CAS Latency.

v

RAS Active Time (tRAS)
This option determines RAS active time.

v

RAS Precharge Time (tRP)
This option is used to define the idle clocks after issuing a precharge com-
mand to the SDRAM.

v

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

DRAM Clock/Timing Control Menu

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