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Chapter 2 Preparations
1.10
DIMM
Install a DIMM (Dual Inline Memory Module) to a DIMM socket on the motherboard in the server. The
motherboard provides twelve sokets to install DIMMs.
1.10.1 Maximum supported memory size
The maximum available memory size on the server depends on the architecture (x86 architecture) and OS
specs.
A list of maximum memory sizes
OS
Windows Server 2008 Standard x86 Edition
Windows Server 2008 Standard x64 Edition *1
Windows Server 2008 R2 Standard *1
Windows Server 2008 Enterprise x86 Edition
Windows Server 2008 Enterprise x64 Edition *1
Windows Server 2008 R2 Enterprise *1
Windows Server 2012 Standard *1
Windows Server 2012 Datacenter *1
RedHat Enterprise Linux 5 Server (x86)
RedHat Enterprise Linux 6 Server (x86)
RedHat Enterprise Linux 5 Server (EM64T)
RedHat Enterprise Linux 6 Server (x86_64)
Vmware ESXi 5.0 / 5.1 *2
Vmware ESXi 5.5 *2
*1 The maximum available memory size of Hyper-V systems are below:
- Windows Server 2008 Standard (x64) and Windows Server 2008 R2 Standard: 32GB
- Windows Server 2008 Enterprise (x64) and Windows Server 2008 R2 Enterprise: 1TB
- Windows Server 2012: 4TB
*2 Up to 1TB of main memory is available to each virtual machine.
1.10.2 Memory clock
The server supports the memory clock speed of DDR3-800/1066/1333/1600MHz. However, the actual
memory clock speed depends on CPU model and memory configuration.
The memory clocks of all of buses operate at the same clock speed.
• You must avoid static electricity to work with the procedure below. For
Important
details, refer to Chapter 2 (1.2 Anti-static Measures).
• Use only the specified DIMMs. Installing a DIMM from a third party may
damage not only the DIMM but the motherboard. You will be charged to
repair failures or damages caused by the use of such products even within
the warranty period. .
Tips
Up to 384 GB (32 GB x 12) can be installed in 2-CPU configuration. Up to 192 GB
(32 GB x 6) can be installed in 1-CPU configuration. No DIMM is factory installed in
standard configuration.
The maximum memory size
supported on each OS
4 GB
32GB
64GB
1TB
2TB
4TB
16GB
1TB
3TB
2TB
4TB
Express5800/R120e-2E User's Guide
1. Installing Internal Optional Devices
The maximum memory size supported on
the server
4 GB (HW-DEP enabled)
App. 2 GB(HW-DEP disabled)
32GB
64GB
384GB
384GB
384GB
16GB
384GB
384GB
384GB
384GB
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