Asus P5KPL-CM User Manual download pdf (Page 29)

ASUS P5KPL-CM 1-17

1.7.2 Memory congurations

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

DIMMs into the DIMM sockets.

• 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

conguration. 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,

it is recommended that you obtain memory modules from the same vendor.

• If you are using a Windows 32-bit version operating system (e.g. 32-bit

Windows XP, 32-bit Vista) without the Physical Address Extension (PAE)

support, the system will allocate a certain amount of memory space for

system device.

• We recommend that you install only a maximum of 3GB system memory

when using a Windows 32-bit version operating system without the PAE.

The excess over 3GB of installed memory will not cause any problem;

however, the system can not use this excess memory space and the

system will display less than the total size of physical memory installed.

• This motherboard does not support memory modules made up of 128 Mb

chips or double sided x16 memory modules.

Notes on memory limitations

• Due to chipset limitation, this motherboard can only support up to

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

of 2 GB DIMMs on each slot, but only DDR2-800 and DDR2-667 2 GB

density modules are available for this conguration.

• Some old-version DDR2-800 DIMMs may not match Intel

On-Die-Termination (ODT) requirement and will automatically downgrade

to run at DDR-667. If this heppens, contact your memory vendor to check

to ODT value.

32-bit 64-bit

Windows

XP Windows

XP x64 Edition

Windows

2003 Server Windows

2003 Server x64 Edition

Windows

Vista Windows

Vista x64 Edition

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Asus P5KPL-CM User Manual Page 29