System Memory; Overview - Asus P4S800 User Manual

1.9

System memory

1.9.1 Overview

The motherboard has three (3) Double Data Rate (DDR) DIMM sockets that
supports up to 3GB unbuffered non-ECC DDR DIMMs.
PC2100/1600 support up to 3 DIMMs; PC3200/2700 support up to 2 DIMMs;
1 GB PC3200/2700 with 32 DDR chips support to 1 DIMM only.
P4S800
P4S800 184-Pin DDR DIMM Sockets
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Table 1.9.1
CPU Front Side Bus (FSB)
Follow these steps to install a DIMM.
1. Unlock a DIMM socket by pressing the
retaining clips outward.
2. Align a DIMM on the socket such that
the notch on the DIMM matches the
break on the socket.
3. Firmly insert the DIMM into the socket
until the retaining clips snap back in
place and the DIMM is properly seated.
1-12
®
Make sure to unplug the power supply before adding or removing DIMMs or
other system components. Failure to do so may cause severe damage to
the motherboard and other system components.
When installing long AGP cards, it is recommended to install the memory
modules first. Long AGP cards when installed may interfere with memory
socket.
Make sure that the memory frequency matches the CPU Front Side Bus.
Refer to Table 1.9.1 for details.
Memory Frequency/CPU FSB Synchronization
800 MHz
533 MHz
400 MHz
Memory Frequency
PC3200/PC2700
PC3200/PC2700/PC2100
PC3200/PC2700/PC2100/ PC1600
Unlocked Retaining Clip
Chapter 1: Product introduction
DDR DIMM notch