User`s manual

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BIOS Setup
3.1.3.2 CPU Interface
This field is used to configure the CPU’s interface.
Optimal Uses the most stable CPU/FSB parameters.
Aggressive Uses the overclock CPU/FSB parameters.
3.1.3.3 Memory Timings
This field is used to select the memory timing of the DRAM. The
options are Optimal, Aggressive, Turbo and Expert.. Select Expert
to select the timings manually.
3.1.3.4 T(RAS)
Row to active delay. Set the “System Performance” field to Op-
timal if you want to use the delay time recommended by the
DIMM manufacturer.
3.1.3.5 T(RCD-Read)
RAS-to-CAS read delay. Set the “System Performance” field to
Optimal if you want to use the delay time recommended by the
DIMM manufacturer.
3.1.3.6 T(RCD-Write)
RAS-to-CAS write delay. Set the “System Performance” field to
Optimal if you want to use the delay time recommended by the
DIMM manufacturer.
3.1.3.7 T(RP)
Row-precharge delay. Set the “System Performance” field to
Optimal if you want to use the delay time recommended by the
DIMM manufacturer.
3.1.3.8 CAS Latency
This field is used to select the clock cycle of the SDRAM CAS
latency time. The option selected specifies the time before
SDRAM starts a read command after receiving it. Set the “Sys-
tem Performance” field to Optimal if you want to use the delay
time recommended by the DIMM manufacturer.