User's Guide

1. Installing Internal Optional Devices
Express5800/R120f-2M User’s Guide
55
Chapter 2 Preparations
1.12
DIMM
Install a DIMM (Dual Inline Memory Module) to a DIMM socket on the motherboard in the server. The
motherboard provides 24 sokets to install DIMMs.
Important
• You must avoid static ele
ctricity to work with the procedure below. For
details, see 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 768 GB (32 GB x 24) can be installed in 2-CPU configuration. Up to 384 GB
(32 GB x 12) can be installed in 1-CPU configuration. No DIMM is factory installed
in standard configuration.
1.12.1
Maximum supported memory size
The maximum available memory size on the server depends on the architecture and OS specs.
List of maximum memory sizes
OS
The maximum
memory size
supported on each OS
The maximum memory size
supported on the server
Microsoft Windows Server 2008 Standard *1 4GB
4 GB (If using HW-DEP feature)
* Default factory settings
About 2 GB (If not using HW-DEP
feature)
Note: If you are not using the
HW-DEP feature, set Execute
Disable Bit (XD Bit) to
Disabled in the BIOS settings.
Microsoft Windows Server 2008 R2 Standard *1 32GB 32GB
Microsoft Windows Server 2008 Enterprise *1
64GB
64GB
Microsoft Windows Server 2008 R2 Enterprise *1
2TB
768 GB
Microsoft Windows Server 2012 Standard *1
Microsoft Windows Server 2012 Datacenter *1
Microsoft Windows Server 2012 R2 Standard *1
Microsoft Windows Server 2012 R2 Datacenter *1
4TB 768 GB
VMware ESXi 5.1 *2
2TB
768 GB
VMware ESXi 5.5 *2 4TB 768 GB
*1: Shown below is the maximum memory size when Hyper-V is used:
- Windows Server 2008 Standard, Windows Server 2008 R2 Standard : 32GB
- Windows Server 2008 Enterprise, Windows Server 2008 R2 Enterprise : 1TB
- Windows Server 2012 ,Windows Server 2012 R2: 4TB
*2: Up to 1 TB on virtual machine.