User's Guide

1. Installing Internal Optional Devices
Express5800/R110g-1E User’s Guide
57
Chapter 2 Preparations
1.9
DIMM
Install a Dual Inline Memory Module (DIMM) to a DIMM socket on the motherboard in the server. The
motherboard provides four sokets to install DIMMs.
Important
 Use only the DIMMs provided by NEC.
 Read through Chapter 2 (1.2 Anti-static Measures) beforehand.
Tips
Up to 32 GB (8 GB  4) of memory can be installed.
The server supports 2-way interleaved memory system.
In 2-way interleaved memory system, the data transfer rate of the memory is twice that of a non-interleaved
memory system.
Maximum supported memory size
1.9.1
The maximum available memory size on the server depends on the architecture (x86 architecture) and OS
specs.
A list of maximum memory sizes
OS
The maximum memory size
supported on each OS
The maximum memory size supported on
the server
Windows Server 2008 Standard x86
Edition
4 GB 4 GB (using HW-DEP feature)
* Default factory settings
About 3.5 GB (not using HW-DEP feature)
Note: When Execute Disable Bit (XD Bit) is
set to Disabled in BIOS SETUP.
Windows Server 2008 R2 Standard 32 GB
32 GB
Windows Server 2008 Enterprise 64 GB
Windows Server 2008 R2 Enterprise 2 TB
Windows Server 2012 Standard
Windows Server 2012 Datacenter
4 TB
Red Hat Enterprise Linux 5 (x86)
Red Hat Enterprise Linux 6 (x86)
16 GB
16 GB
Red Hat Enterprise Linux 5 (EM64T) 1 TB
32 GB
Red Hat Enterprise Linux 6 (x86_64) 3 TB
VMware ESXi 5.1 2 TB
32 GB
Up to 1 TB of the main memory is available to
each virtual machine.