Partner PT-9000, User Manual

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RAS -to-CAS Override
This item sets the timing parameters for the system memory such as the
CAS (Column Address Strobe) and RAS (Row Address Strobe). We
recommend that you set this item to the default value.
RAS# Timing
Sets the Row Address Strobe (RAS) timing. Leave this at the default
value.
RAS# Precharge Timing
DRAM must continually be refreshed or it will lose its data. Normally,
DRAM is refreshed entirely as the result of a single request. This option
allows you to determine the number of CPU clocks allocated for the Row
Address Strobe (RAS) to accumulate its charge before the DRAM is
refreshed. If insufficient time is allowed, refresh may be incomplete and
data lost.
After you have made your selections in the Advanced Chipset Features
menu, press <ESC> to go back to the main screen.