Foxconn 520A User Manual
Page 30
Chapter 2 BIOS Description
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(Trc)Row Cycle Time
Allows you to set the minimum time interval between successive active com-
mands to the same bank.
(Trcd) RAS to CAS R/W Delay
Allows you to set the number of clock cycles taken between the issuing of the
active command and the read/write command.
(Trrd) RAS to RAS Delay
Allows you to set the minimum time interval between successive active
commands to the different banks.
(Trp) ROW Precharge Time
Allows you to set the number of clock cycles taken between the issuing of the
precharge command and the active command.
(Tras) Min.RAS Active Time
Allows you to set the number of clock cycles taken between a bank active
command and issuing the precharge command.
2.8 CPU/PCIE Spread Spectrum
When enabled, it can significantly reduce the EMI (Electromagnetic
Interference).
2.9 PCIE Clock
This option is used to set PCI Express Clock.
2.10 AMD K8 Cool & Quiet Control
This option helps the system to lower the frequency when CPU idles.When
the frequency decreases, the temperature will drop automatically as well.
2.11 Vcore Voltage Select
This option is used to select the vcore voltage based on the default voltage.
The value can be set from “-0.05V” to “+0.325V”, the step value is “0.025V”.
2.12 DRAM Voltage Select
This option is used to select the DRAM voltage based on the default voltage.
The value can be set from “-0.15V” to “+0.6V”, the step value is “0.05V”.
2.13 Chipset Voltage Select
This option is used to select the chipset voltage based on the default
voltage. The value can be set from “-0.12V” to “+0.2V”, the step value
is “0.04V”.
2.14 LDT Voltage Select
This option is used to select the LDT voltage based on the default voltage.
The value can be set from “-0.09V” to “+0.36V”, the step value is “0.03V”.
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