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Chapter 2: Basic installationChapter 2: Basic installation
Chapter 2: Basic installationChapter 2: Basic installation
Chapter 2: Basic installation
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2-122-12
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2.5 Installing system memory
The system may come with four Double Data Rate (DDR) Dual Inline
Memory Module(s) (DIMM) sockets. These sockets support up to 4 GB
system memory using unbuffered ECC or non-ECC PC2700/1600/2100
DIMMs.
Make sure to use only identical, ASUS-certified memory modules. Visit
www.asus.com for the latest Qualified Vendors List.
• Installing DDR DIMMS other than the recommended configurations
may cause memory sizing error or system boot failure. Use any of
the recommended configurations in the table on the next page.
• For dual-channel configuration, the total size of memory module(s)
installed per channel must be the same (DIMM_A1 + DIMM_B1 =
DIMM_A2 + DIMM_B2).
• Always install DIMMs with the same CAS latency. For optimum
compatibility, it is recommended that you obtain memory modules
from the same vendor. Refer to the DDR Qualified Vendors List on
the next page for details.
• Due to chipset resource allocation, the system may detect less than
4 GB system memory when you installed four 1 GB DDR memory
modules.
• This motherboard does not support memory modules made up of
128 Mb chips or double sided x16 memory modules.
2.5.12.5.1
2.5.12.5.1
2.5.1
Memory configurationsMemory configurations
Memory configurationsMemory configurations
Memory configurations
You may install up to 4 GB system memory using 256 MB, 512 MB, and
1 GB DDR DIMMs.
®
184-pin DDR DIMM sockets
DIMM_A1
DIMM_A2
DIMM_B1
DIMM_B2