Installation

SY-P4RS300 Quick Start Guide

Step 2. Configure Memory

This motherboard supports Dual Channels to your memory. In order for Dual Channel to work, 2 modules of equal size and specifications have to be installed. ECC and registered memory are not supported.

The largest memory capacity possible is 2GB. On this motherboard, DRAM speed can be set independent from the CPU front side bus speed.

Memory Configuration Table

 

JU300 Setting

Pin1-Pin2

 

 

Pin3-Pin4

 

Pin5-Pin6

 

 

 

 

 

 

 

 

 

 

 

400MHz FSB CPU

CLOSE

 

 

CLOSE

 

OPEN

 

 

with PC2100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

533MHz FSB CPU

OPEN

 

 

CLOSE

 

CLOSE

 

 

with PC2100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

533MHz FSB CPU

CLOSE

 

 

OPEN

 

OPEN

 

 

with PC2700

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

800MHz FSB CPU

CLOSE

 

 

OPEN

 

CLOSE

 

 

with PC3200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: PC3200 is only supported if you have a 800MHZ FSB CPU. PC2100 and PC2700 are not supported.

DRAM voltage Jumper (JU2400)

This Jumper sets the voltage of your memory module.

 

2.5V

 

2.65V (Default)

 

 

 

 

 

 

JU2400 Setting

Short pin 1-2

Short pin 2-3

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SOYO SY-P4RS300 quick start Configure Memory, Dram voltage Jumper JU2400