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BIOS Setup Utility
SY-P4X400 DRAGON Lite
46
DRAM Timing/Drive Control
Setting Description Note
DRAM Timing
By SPD Default
Manual
If enable the DRAM will auto
detect the DRAM timing.
SDRAM CAS
2.5 Default
Latency
2
When synchronous DRAM is
installed, the number of clock
cycles of CAS latency
depends on the DRAM timing.
Do not reset this field from the
default value specified by the
system designer.
Disabled Default
Bank Interleave
2 Bank
4 Bank
Increase DRAM performance.
2T
Precharge to
Active(Trp)
3T
Increase DRAM performance.
Default
6T
Active to
Precharge(Tras)
7T
Increase DRAM performance.
Default
3T Default
Active to
CMD(Trcd)
2T
Increase DRAM performance.
1T Command
DRAM Command
Rate
2T Command
Increase DRAM performance.
Default
4 Default
DRAM Burst Len
8
Increase DRAM performance.