VIA Technologies VIA P4PB 266E User Manual page 61

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BIOS Setup
Active to Precharge (Tras)
Set the time from active back to precharge state. Settings: 6T and 7T.
Active to CMD (Trcd)
Set the time from active state to command state. Settings: 2T and 3T.
DRAM Command Rate
This setting controls the DRAM command rate. Selecting 1T allows DRAM
signal controller to run at 1T (T=clock cycles) rate. Selecting 2T makes DRAM
signal controller run at 2T rate. 1T is faster than 2T. Settings: 2T Command and
1T Command.
DRAM Burst Len
This setting allows you to set the size for DRAM Burst-Length. The bigger the
size, the faster the system addresses memory. Settings: 4 and 8.
AGP Voltage
This setting allows you to set the appropriate AGP voltage. Settings:
1.5V, 1.6V, 1.7V and 1.8V.
CPU Vcore Select
This setting allows you to adjust the CPU core voltage from 1.100V to 1.
850V at 0.025 increment. Please note that it may be dangerous to adjust
the Vcore over 10% of original CPU specification. Setting options: Default,
1.000V to 1.850V.
DRAM Voltage
This setting allows you to set the appropriate DRAM voltage. Settings:
2.8V, 2.7V, 2.6V and 2.5V.
CPU Clock
This setting specifies the clock frequency of CPU host bus (FSB) and
provides a method for end-users to overclock the processor accordingly.
If the CPU clock is set over the tolerance limit of the CPU, the mainboard will
show the following message "IMPROPER OVERCLOCKING SETTING, SYS-
TEM IS RESETTING CPU CLOCK TO DEFAULT. Please re-enter BIOS Setup
and remember to save before quit!". This feature protects the CPU from damage
due to overclocking.
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