User`s manual
MS-7672 Mainboard
English
En-33
MS-7672 Mainboard
English
tRFC
This setting determines the time RFC takes to read from and write to a memory
cell.
tWR
Minimum time interval between end of write data burst and the start of a precharge
command. Allows sense ampliers to restore data to cells.
tWTR
Minimum time interval between the end of write data burst and the start of a col-
umn-read command. It allows I/O gating to overdrive sense ampliers before read
command starts.
tRRD
Species the active-to-active delay of dierent banks.
tRTP
Time interval between a read and a precharge command.
tFAW
This item is used to set the tFAW (four activate window delay) timing.
tWCL
This item is used to set the tWCL (Write CAS Latency) timing.
tCKE
This item is used to set the tCKE timing.
tRTL
This item is used to set the tRTL timing.
Advanced Channel 1/ 2 Timing Conguration
Press <Enter> to enter the sub-menu. And you can set the advanced memory timing
for each channel.
Spread Spectrum
When the mainboard’s clock generator pulses, the extreme values (spikes) of the pulses
create EMI (Electromagnetic Interference). The Spread Spectrum function reduces the
EMI generated by modulating the pulses so that the spikes of the pulses are reduced
to atter curves.
Important
If you do not have any EMI problem, leave the setting at [Disabled] for optimal system
stability and performance. But if you are plagued by EMI, select the value of Spread
Spectrum for EMI reduction.
The greater the Spread Spectrum value is, the greater the EMI is reduced, and the
system will become less stable. For the most suitable Spread Spectrum value, please
consult your local EMI regulation.
Remember to disable Spread Spectrum if you are overclocking because even a slight
jitter can introduce a temporary boost in clock speed which may just cause your over-
clocked processor to lock up.
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