Mach Speed Technologies NF4-A9A Manual page 49

NF4-A9A / NF4 Ultra-A9A
DRAM Configuration
Timing Mode
DDR Timing Setting by SPD or ITEM.
The Choices: Auto (default), Manual.
Max Memclock (MHz)
Places an artificial memory clock limit on the system prevented from running faster
than this frequency.
The Choices: 200 (default), 166, 133, and 100.
CAS# Latency(Tcl)
This field specify the cas# latency, i.e. cas# to read data valid.
The Choices: CL=2.5 (default), CL=3.0, CL=2.0.
Min RAS# active time (Tras)
This field specifies the minimum RAS# active time. Typically -45-60 Nsec.
The Choices: 8T (default).
RAS# to CAS# Delay (Trcd)
This field specifies the RAS# to CAS# Delay to read/ write command to the same
bank. Typically -20 Nsec.
The Choices: 4T (default).
Row precharge Time (Trp)
This field specifies the Row precharge Time. Precharge to Active or Auto-Refresh
of the same bank. Typically 20-24 Nsec.
The Choices: 2T (default).
Row to Row delay (Trrd)
The Choices: 2T (default).
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