User Guide

2-4 Chapter 2
2-3. Install System Memory
This motherboard provides four 184-pin DDR DIMM slots for Single/Dual Channel DDR 400/333/266
memory modules with memory expansion size up to 4GB.
Table 2-1. Valid Memory Configurations
Bank Memory Module Total Memory
Bank 0, 1 (DIMM1) 256, 512MB, 1GB 256MB ~ 1GB
Bank 2, 3 (DIMM2) 256, 512MB, 1GB 256MB ~ 1GB
Bank 4, 5 (DIMM3) 256, 512MB, 1GB 256MB ~ 1GB
Bank 6, 7 (DIMM4) 256, 512MB, 1GB 256MB ~ 1GB
Total System Memory 256MB ~ 4GB
Table 2-2. Unbuffered DIMM Support For AMD 939-pin Processor
Data Bus DIMM1 DIMM2 DIMM3 DIMM4
Default
Setting
Single rank N/A Empty N/A DDR400
Double rank N/A Empty N/A DDR400
Empty N/A Single rank N/A DDR333
Empty N/A Double rank N/A DDR400
Single rank N/A Single rank N/A DDR333
Single rank N/A Double rank N/A DDR200
Double rank N/A Single rank N/A DDR200
64-bits
(Single
Channel)
Double rank N/A Double rank N/A DDR200
Single rank Single rank Empty Empty DDR400
Double rank Double rank Empty Empty DDR400
Empty Empty Single rank Single rank DDR333
Empty Empty Double rank Double rank DDR400
Single rank Single rank Single rank Single rank DDR333
Single rank Single rank Double rank Double rank DDR200
Double rank Double rank Single rank Single rank DDR200
128-bits
(Dual
Channel)
Double rank Double rank Double rank Double rank DDR200
AT8