Dimm; Maximum Supported Memory Size; Memory Clock - NEC Express5800/R120d-2E User Manual

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 four 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 2003 R2 Standard
Windows Server 2008 Standard x86 Edition
Windows Server 2008 R2 Foundation
Windows Server 2003 R2 Standard x64 Edition
Windows Server 2008 Standard x64 Edition
Windows Server 2008 R2 Standard
Windows Server 2003 R2 Enterprise Edition
Windows Server 2008 Enterprise x86 Edition
Windows Server 2003 R2 Enterprise x64 Edition
Windows Server 2008 Enterprise x64 Edition
Windows Server 2008 R2 Enterprise
RedHat Enterprise Linux 5 Server (x86)
RedHat Enterprise Linux 5 Server (EM64T)

1.10.2 Memory Clock

The server supports the memory clock speed of DDR3-800/1066/1333MHz. 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
8 GB
32 GB
64 GB
1 TB
2 TB
16 GB
256 GB
Express5800/R120d-2E User's Guide
1. Installing Internal Optional Devices
The maximum memory size supported on
the server
4 GB (If using HW-DEP function)
* Default factory settings
About 3.3 GB (If not using HW-DEP function)
Note: If you are not using the HW-DEP
function, set the Execute Disable Bit
(XD Bit) to Disable in the BIOS setup. It
is enabled by default.
8 GB
32 GB
64 GB
384 GB
16 GB
256 GB
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