Chipset Features Setup; Details Of Chipset Features Setup - Asus P2B-L User Manual

IV. BIOS SOFTWARE

Chipset Features Setup

The "Chipset Features Setup" option controls the configuration of the board's chipset.
NOTE: SETUP Defaults are noted in parenthesis next to each function heading.

Details of Chipset Features Setup

SDRAM Configuration (By SPD)
This sets the optimal timings of settings for items 2–5, depending on the memory
modules that you are using. Default setting is By SPD, which configures items 2–5
by reading the contents in the SPD (Serial Presence Detect) device. This 8-pin serial
EEPROM device stores critical parameter information about the module, such as
memory type, size, speed, voltage interface, and module banks.
SDRAM CAS Latency
This controls the latency between SDRAM read command and the time that the
data actually becomes available. Leave on default setting.
SDRAM RAS to CAS Delay
This controls the latency between SDRAM active command and the read/write
command. Leave on default setting.
SDRAM RAS Precharge Time
46 ASUS P2B-L/P2B-S/P2B-LS User's Manual