Asus A7M266-D User Manual download pdf (Page 57)

ASUS A7M266-D User’s Manual 57

4. BIOS SETUP

SDRAM Configuration [By SPD]

This sets the optimal timings for SDRAM related fields, depending on the

memory modules that you are using. Default setting is [By SPD], which

configures the subsequent 3 items by reading the contents in the SPD (Se-

rial Presence Detect) device. The EEPROM on the memory module stores

critical parameter information about the module, such as memory type, size,

speed, voltage interface, and module banks. Configuration options: [By

SPD][User Define]

SDRAM CAS Latency

This controls the latency between the SDRAM read command and the time

that the data actually becomes available. NOTE: This field will only be

adjustable when SDRAM Configuration is set to [User Define].

SDRAM RAS Precharge Time

This controls the idle clocks after issuing a precharge command to the

SDRAM. NOTE: This field will only be adjustable when SDRAM

Configuration is set to [User Define].

SDRAM RAS to CAS Delay

This controls the latency between the SDRAM active command and the

read/write command. NOTE: This field will only be adjustable when

SDRAM Configuration is set to [User Define].

AGP 4X Supported [Enabled]

This feature allows the CPU to write directly to the AGP card for up to 30%

performance gain over standard AGP 4X mode. Configuration options: [En-

abled] [Disabled]

4.4.1 Chip Configuration

Chip Configuration

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Asus A7M266-D User Manual Page 57