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1.4.2
Memory configurations
You may install 2 GB, 4 GB, 8 GB and 16 GB unbuffered non-ECC DDR4 DIMMs into the
DIMM sockets.
Recommended memory configurations
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•
•
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1-8
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.
Due to the memory address limitation on 32-bit Windows
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 3 GB system memory if you are using a 32-bit Windows
-
I nstall a 64-bit Windows
motherboard.
-
F or more details, refer to the Microsoft
com/kb/929605/en-us.
The default memory operation frequency is dependent on its Serial Presence Detect
(SPD), which is the standard way of accessing information from a memory module.
Under the default state, some memory modules for overclocking may operate at a
lower frequency than the vendor-marked value. To operate at the vendor-marked
or at a higher frequency, refer to section 2.5 Ai Tweaker menu for manual memory
frequency adjustment.
Always install the DIMMs with the same CAS Latency. For an optimum compatibility,
we recommend that you install memory modules of the same version or data code
(D/C) from the same vendor. Check with the vendor to get the correct memory
modules.
Visit the ASUS website at www.asus.com for the latest QVL.
OS if you want to install 4GB or more on the
®
support site at http://support.microsoft.
®
Chapter 1: Product introduction
OS, when you install 4GB
®
®
OS.
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