Alienware MJ-12 X2, User Manual

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3.2.12 Performance Setting
DDR2 Working Voltage
Selects the value for the voltage applied on DDR2 modules.
[Options are: ‘1.80V’, ‘1.85V’, ‘1.90V’, and ‘1.95V’]
OverClock
Memory overclocking; can be set to values in range from 200 to 255.
Cas# Latency
Modifies the Cas Latency of the memory modules; lower is better. However, the memory
modules need to support this feature.
[Options are: ‘Auto’, ‘3’, ‘4’, and ‘5’]
tRP
Modifies the tRP timing. tRP is the time required to terminate one row access and begin
the next row access.
[Options are: ‘Auto’, ‘3’, and ‘4’]
tRCD
Modifies the tRCD timing. tRCD is the delay from the time a row is activated to when the
cell (or column) is activated via the CAS signal and data can be written to or read from a
memory cell. Lower is better, although if it is set too low the system will become
unstable.
[Options are: ‘Auto’, ‘3’, and ‘4’]
tRAS
Modifies the tRAS timing. tRAS is the time the memory must wait before the next
memory access can begin
[Options are: ‘Auto’, ‘7’, ‘6’, and ‘5’]
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