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2.6
Installing a DIMM
The system motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline
Memory Module (DIMM) sockets (DIMM_A1 and DIMM_B1, Yellow) and two
Double Data Rate 3 (DDR3) DIMM sockets (DIMM_A2 and DIMM_B2, Black).
The following figure illustrates the location of the sockets:
P5Q18L 240-pin DDR2 DIMM sockets
2.6.1
Memory configurations
You may install up to 8 GB system memory using 512 MB, 1 GB, 2GB, and 4 GB
DDR2 DIMMs or 1 GB, 2GB, and 4 GB DDR3 DIMMs.
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2-8
P5Q18L
This mother board supports either DDR2 or DDR3 DIMMs . Do NOT install
both DDR2 and DDR3 DIMMs at the same time on this motherboard.
Installing DDR2/DDR3 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.
Install only identical (the same type and size) DDR2 DIMMs in DIMM_A1
and DIMM_B1, and DDR3 DIMMs in DIMM_A2 and DIMM_B2.
Always install DIMMs with the same CAS latency. For optimum
compatibility, we recommend that you obtain memory modules from the
same vendor.
When installing total memory of 4GB or more, Windows 32-bit operation
system may only recognize less than 3GB. Hence, a total installed memory
of less than 3GB is recommended.
This motherboard does not support memory modules made up of 128 Mb
chips or double-sided x16 memory modules.
DIMM_A1
DIMM_A2
DIMM_B1
DIMM_B2
Chapter 2: Basic installation
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