Chipset features setup, Chapter 4 4-12 – MSI MS-6534 User Manual

Page 86

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Chapter 4

4-12

Chipset Features Setup

Configure DRAM Timing by
Selects whether DRAM timing is controlled by the SPD (Serial Presence
Detect) EEPROM on the DRAM module. Setting to SPD enables CAS#
Latency, RAS# Precharge, RAS# to CAS# Delay and Precharge Delay
automatically to be determined by BIOS based on the configurations on the
SPD. Selecting Manual allows users to configure these fields manually.

CAS# Latency
This controls the timing delay (in clock cycles) before SDRAM starts a read
command after receiving it. Settings: 3 Clocks and 2 Clocks. 2 Clocks
increases the system performance while 3 Clocks provides more stable
performance.

RAS# Precharge
This item controls the number of cycles for Row Address Strobe (RAS) to be

AMIBIOS SETUP - CHIPSET FEATURES SETUP

(C)1999 American Megatrends, Inc. All Rights Reserved

ESC : Quit

↑↓←→

: Select Item

F1 : Help

PU/PD/+/- : Modify

F5 : Old Values

(Shift)F2 : Color

F6 : Load BIOS Defaults
F7 : Load Setup Defaults

******** DRAM Timing *****
Configure DRAM Timing by

:SPD

CAS# Latency

:3 Clocks

RAS# Precharge

:3 Clocks

RAS# to CAS# Delay

:3 Clocks

Precharge Delay

:7 Clocks

DRAM Integrity Mode

:Non-ECC

AGP Aperture Size

:64MB

Delayed Transaction

:Enabled

Note: Change these settings only if you are familiar with the chipset.

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