Asus P5RD2-VM Motherboard Installation Guide - Page 27

System memory - memory support

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1.7 System memory 1.7.1 Overview The motherboard comes with two 240-pin Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. A DDR2 module has the same physical dimensions as a DDR DIMM but has a 240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are notched differently to prevent installation on a DDR DIMM socket. The following figure illustrates the location of the sockets: P5RD2-VM ® P5RD2-VM 240-pin DDR DIMM Sockets 1.7.2 Memory configurations You may install 256 MB, 512 MB, and 1 GB unbuffered non-ECC DDR2 DIMMs into the DIMM sockets using the memory configurations in this section. • 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 DDR2 Qualified Vendors List on the next page for details. • This motherboard does not support memory modules made up of 128 Mb chips or double sided x16 memory modules. DIMM1 DIMM2 ASUS P5RD2-VM 1-15

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ASUS P5RD2-VM
1-15
1.7
System memory
1.7.1
Overview
The motherboard comes with two 240-pin Double Data Rate 2 (DDR2) Dual
Inline Memory Modules (DIMM) sockets.
A DDR2 module has the same physical dimensions as a DDR DIMM but has
a 240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are
notched differently to prevent installation on a DDR DIMM socket.
The following figure illustrates the location of the sockets:
P5RD2-VM 240-pin DDR DIMM Sockets
DIMM2
DIMM1
P5RD2-VM
1.7.2
Memory configurations
You may install 256 MB, 512 MB, and 1 GB unbuffered non-ECC DDR2 DIMMs
into the DIMM sockets using the memory configurations in this section.
•
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 DDR2 Qualified Vendors List on
the next page for details.
•
This motherboard does not support memory modules made up of
128 Mb chips or double sided x16 memory modules.