2-
Chapter 2: Hardware information
2.4
System memory
2.4.1
Overview
The motherboard comes with four 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 figure illustrates the location of the DDR2 DIMM sockets:
Channel
Sockets
Channel A
DIMM_A1 and DIMM_A2
Channel B
DIMM_B1 and DIMM_B2
2.4.2
Memory configurations
You may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered ECC/non-ECC
DDR2 DIMMs into the DIMM sockets.
• For dual-channel configuration, the total size of memory module(s) installed
per channel must be the same (D DIMM_A2 = D
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. Visit the ASUS website (www.asus.com) for the latest
Qualified Vendors List.
• For dual-channel memory configuration, install the DIMMs in slots
DIMM_B1 and DIMM_A1 (orange slots); install another pair of DIMMs in
slots DIMM_B2 and DIMM_A2 (black slots).
P5W DH DELUXE
®
P5W DH DELUXE 240-pin DDR2 DIMM sockets
DIMM_A2
DIMM_A1
DIMM_B2
DIMM_B1
Summary of Contents for P5W DH
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