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2 memory configurations, Memory configurations -10, Chapter 2 – Asus TS700-E7/RS8 User Manual

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2-10

Chapter 2: Hardware setup

Chapter 2

2.3.2

Memory Configurations

You may install 2GB, 4GB, 8GB, and 16GB RDIMMs or 2GB, 4GB and 8GB* with

ECC/Non-ECC UDIMMs or 8GB, 16GB and 32GB* LR-DIMMs into the DIMM

sockets using the memory configurations in this section.

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

compatibility, we recommend that you obtain memory modules from the

same vendor. Refer to the Qualified Vendors List on the ASUS web site.

• �ou may install varying memory sizes in Channel A, Channel B and

�ou may install varying memory sizes in Channel A, Channel B and

Channel C. The system maps the total size of the lower-sized channel for

the dual-channel or triple-channel configuration. Any excess memory from

the higher-sized channel is then mapped for single-channel operation.

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

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 do any of the following:
• Use a maximum of 3GB system memory if you are using a 32-bit

Windows OS.

• Install a 64-bit Windows OS when you want to install 4GB or more on

Install a 64-bit Windows OS when you want to install 4GB or more on

the motherboard. For more details, refer to the Microsoft

®

support site

at http://support.microsoft.com/kb/929605/en-us.

• This motherboard does not support DIMMs made up of 256 Mb (32MB)

This motherboard does not support DIMMs made up of 256 Mb (32MB)

chips or less (Memory chip capacity counts in Megabit, 8 Megabit/Mb = 1

Megabyte/MB).