Memory; Memory Configuration - NEC Express5800/R120g-2E Configuration Manual

CONFIGURATION GUIDE
The maximum number of logical processors supported by OS
See the table below for the maximum number of logical processors that you can actually use on your system.
Number of Logical Processors Supported by Operating Systems
Microsoft Windows Server 2008 R2 Standard
Microsoft Windows Server 2008 R2 Enterprise
Microsoft Windows Server 2012 Standard
Microsoft Windows Server 2012 Datacenter
Microsoft Windows Server 2012 R2 Standard
Microsoft Windows Server 2012 R2 Datacenter
Microsoft Windows Server 2016 Standard
Microsoft Windows Server 2016 Datacenter
Red Hat Enterprise Linux 6 (x86_64)
Red Hat Enterprise Linux 7
VMware ESXi 5.5
VMware ESXi 6.0
VMware ESXi 6.5
1
The maximum numbers of logical processors when using Hyper-V are below:
-
Windows Server 2008 R2 : 64
-
Windows Server 2012, Windows Server 2012 R2 : 320
-
Windows Server 2016: 512

3 Memory

3.1 Memory Configuration

Refer to the section in accordance with your memory configuration:

Independent Channel: Refer to

Memory Sparing Configuration: Refer to

Memory Mirroring / Memory Lockstep Configuration: Refer to
Memory Configuration Feature Comparison
See the table below for feature comparisons of memory configurations supported.
Performance
Data Protection
Redundancy
Data Correction
Available Memory
Available Memory
Channels
Notes
NEC Corporation
–
NEC Express5800/R120g-2E
3.1.1
3.1.2
Independent
Channel
Best
No
No
ECC, x4 SDDC
Full physical memory
4
-
Revision 7.0 – August, 2017
1
256
1
640
240
320
480
576
3.1.3
Memory Memory Lockstep
Sparing
Better Better
Multiple single bit error No
protection
Partly No
ECC, x4 SDDC ECC, x8 SDDC
3/4 physical memory Full physical memory
4 4
All DIMMs in the Paired DIMMs must be
system must be identical.
identical.
Maximum Available
Number of Logical
Processors
56
56
56
56
56
72
Memory Mirroring
Good
Multiple single bit and
multi bit error
protection
Fully
ECC, x4 SDDC
Half physical memory
4
Paired DIMMs must be
identical.
13