User`s manual

BIOS Setup
45
Active to Precharge (Tras)
This setting determines the time RAS takes to read from and write to a
memory. This setting determines the time RAS takes to read from and write
to a memory cell. This field is only available when “DRAM Timing” is set to
“Manual”.
Settings: [6T, 7T, 8T, 9T
]
Active to CMD (Trcd)
This field is only available when “DRAM Timing” is set to “Manual”.
Settings: [2T, 3T, 4T, 5T]
REF to ACT / REF to REF (Trfc)
This field is only available when “DRAM Timing” is set to “Manual”.
Settings: [12T, 13T, 14T, 15T]
ACT(0) to ACT(1) (TRRD)
This field is only available when “DRAM Timing” is set to “Manual”.
Settings: [2T, 3T]
DRAM Command Rate
This field is for setting how fast the memory controller sends out commands.
Lower setting equals faster command rate.
NOTE: Some memory modules may not be able to handle lower
settings.
Settings: [2T Command, 1T Command]