User Guide

2-202-20

2-20

Chapter 2: BIOS SetupChapter 2: BIOS Setup

Chapter 2: BIOS Setup

2.4.32.4.3

2.4.3

ChipsetChipset

Chipset

The Chipset menu items allow you to change the advanced chipset

settings. Select an item then press <Enter> to display the sub-menu.

NorthBridge SiS661FX ConfigurationNorthBridge SiS661FX Configuration

NorthBridge SiS661FX Configuration

Primary Graphics Adapter [PCI]Primary Graphics Adapter [PCI]

Primary Graphics Adapter [PCI]

Allows selection of the graphics controller to use as primary boot device.

Configuration options: [PCI] [AGP] [Onboard AGP]

MA 1T/2T Select [Auto]MA 1T/2T Select [Auto]

MA 1T/2T Select [Auto]

Configuration options: [Auto] [MA 2T] [1T]

DRAM CAS# Latency [By SPD]DRAM CAS# Latency [By SPD]

DRAM CAS# Latency [By SPD]

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

time the data actually becomes available.

Configuration options: [By SPD] [2T] [2.5T] [3T]

DRAM Precharge Delay [Auto]DRAM Precharge Delay [Auto]

DRAM Precharge Delay [Auto]

Configuration options: [Auto] [6T] [7T] [5T] [4T] [8T] [9T]

DRAM RAS# to CAS# Delay [Auto]DRAM RAS# to CAS# Delay [Auto]

DRAM RAS# to CAS# Delay [Auto]

This item controls the latency between the DDR SDRAM active command and

the read/write command. Configuration options: [Auto] [3T] [2T] [4T] [5T]

DRAM RAS# Precharge [Auto]DRAM RAS# Precharge [Auto]

DRAM RAS# Precharge [Auto]

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

DDR SDRAM. Configuration options: [Auto] [3T] [2T] [4T] [5T]

NorthBridge SiS661FX Configuration

SouthBridge SiS964 Configuration

Primary Graphics Adapter [PCI]

MA 1T/2T Select [Auto]

DRAM CAS# Latency [By SPD]

DRAM Precharge Delay [Auto]

DRAM RAS# to CAS# Delay [Auto]

DRAM RAS# Precharge [Auto]

Graphic Win Size [ 64MB]

AGP Fast Write Control [Disabled]

Share Memory Size [ 32MB]

<Enter> to select.