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

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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