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System memory
Overview
This motherboard comes with two Double Data Rate 4 (DDR4) Small Outline Dual Inline
Memory Module (SO-DIMM) sockets. The figure illustrates the location of the DDR4 SO-
DIMM sockets:
•
•
•
•
•
Visit the ASUS website at www.asus.com for the latest QVL.
Installing a DIMM
1
To remove a DIMM
A
Chapter 1: Product introduction
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 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.
When you install only one memory module, install it to DIMM_A1 slot for the
motherboard to work properly.
This motherboard supports 1.2V DDR4 DIMMs.
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.
B
A
Channel
DIMM_A1
Channel A
DIMM_B1
Channel B
OS if you want to install 4GB or more on the
®
support site at http://support.microsoft.
®
2
Sockets
DIMM_A1
DIMM_B1
OS, when you install 4GB
®
A
B
OS.
®
A
B
1-8
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