Asus V2-P5G43 User Manual

Page 27

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2-9

ASUS V-Series P5G43

2.5.1

Memory configurations

• You may install varying memory sizes in Channel A and Channel B. The

system maps the total size of the lower-sized channel for the dual-channel

configuration. Any excess memory from the higher-sized channel is then

mapped for single-channel operation.

• Always install DIMMs with the same CAS latency. For optimum compatibility,

we recommend that you obtain memory modules from the same vendor.

• Due to the memory address limitation on 32-bit Windows OS, when you

install 4GB or more memory on the motherboard, the actual usable memory

for the OS can be about 3GB or less. For effective use of memory, we

recommend that you install a 64-bit Windows OS when having 4GB or more

memory installed on the motherboard.

64-bit

Windows

®

XP Professional x64 Edition

Windows

®

Vista x64 Edition

Notes.on.memory.limitations
• Due to chipset limitation, this motherboard can only support up to

8 GB on the operating systems listed below. You may install a maximum of

2 GB DIMMs on each slot.

You may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered non-ECC DDR2

DIMMs into the DIMM sockets.
Recommended Memory Configurations

Mode

DIMM_A1

DIMM_A2

DIMM_B1

DIMM_B2

One DIMM

DS/SS

-

-

-

-

DS/SS

-

-

-

-

DS/SS

-

-

-

-

DS/SS

Two DIMMs

DS/SS

-

DS/SS

-

DS/SS

-

-

DS/SS

-

DS/SS

DS/SS

-

-

DS/SS

-

DS/SS

Three DIMMs

SS

SS

DS/SS

-

SS

SS

-

DS/SS

DS/SS

-

SS

SS

-

DS/SS

SS

SS

Four DIMMs

SS

SS

SS

SS

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