User`s manual

12
2-4 Install Memory
The BC945G support Dual Channel Technology, operating with Dual Channel
Technology, the bandwidth of Memory Bus will double up to 10.7GB/s.
BC945G includes 4x DDR2 DIMM (
D
ouble
D
ata
R
ate) memory socket allow up
to a maximum memory size of 4.0GB. Due to chipset resource allocation, the
system may detect less than 4 GB of system memory when four 1 GB DDR2
memory modules is installed.
• Support 256Mb, 512Mb and 1Gb technologies implemented as x8, x16
devices.
• Non-ECC un-buffered only.
Use of two DDR2 memory modules in to same color DIMMs slots is strongly
recommended, for optimal performance for Dual Channel Technology to work.
Always install DIMMs with same CAS latency to avoid memory timing
compatibility problem. It is also recommended to use memory modules from the
same vendor.
Valid Memory Configurations
Bank DDR2 Single Channel Dual Channel Total Memory
DDRII 1 DS/SS DDRII X X X X
256MB
∼
1.0GB
DDRII 2 DS/SS DDRII X X X X X
256MB
∼
1.0GB
DDRII 3 DS/SS DDRII X X X X X
256MB
∼
1.0GB
DDRII 4 DS/SS DDRII X X X X
256MB
∼
1.0GB
Total System Memory(Max. 4.0GB)
256MB
∼
4.0GB
* DS Double Side, SS Single Side
Generally, installing DDRII SDRAM modules to your motherboard is very easy,
refer to figure below to see what a 240-Pin DDRII 533/DDRII 400 SDRAM
module looks like.
DDRII2 DDRII1
DDRII4 DDRII3
NOTE! When you install DIMM module fully into the DIMM socket the eject
tab should be locked into the DIMM module very firmly and fit into its indention
on both sides.