Intel D865GBF, D865GLC manual Options Default default

Using the BIOS Setup Program

Table 25. Chipset Configuration Submenu (continued)

Feature

Extended Configuration

Graphics Core Frequency

SDRAM Frequency

SDRAM Timing Control

CPC Override

Options

•Default (default)

•User Defined

•Auto (default)

•266 MHz

•333-320 MHz

•Auto (default)

•266 MHz

•333 MHz

•400 MHz

•Auto (default)

•Manual – Aggressive

•Manual – User Defined

•Auto (default)

•Enabled

•Disabled

Description

Chooses the default or user defined settings for the extended configuration options.

Allows override of detected graphics core frequency value.

Allows override of detected memory frequency value.

Auto allows timings to be programmed according to the memory detected.

Manual – Aggressive selects the most aggressive user defined timings.

Manual – User Defined allows manual override of detected SDRAM settings.

Controls Command Per Clock/1n rule mode. When enabled, allows DRAM controller to attempt Chip Select assertions in two consecutive common clocks.

SDRAM RAS Act. To Pre.

SDRAM CAS# Latency

SDRAM RAS# to CAS# delay

SDRAM RAS# Precharge

•8 (default)

•7

•6

•5

•2.0

•2.5

•3.0 (default)

•4

•3 (default)

•2

•4

•3 (default)

•2

Selects length of time from read to pre-change. Corresponds to tRAS, min.

Selects the number of clock cycles required to address a column in memory. Corresponds to CL.

Selects the number of clock cycles between addressing a row and addressing a column. Corresponds to tRCD.

Selects the length of time required before accessing a new row.

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