Configuration Guide
Table Of Contents
- Technical Specification
- External Views
- Configuration Diagram
- Server Configuration
- 1 Base Models
- 2 2nd Processor
- 3 Memory
- 4 Internal Hard Disk Drives
- 4.1 RAID Configuration
- 4.2 Internal Drive Configuration
- 4.2.1 2.5-inch Drives with On-board SATA Controller
- 4.2.2 Up to eight 2.5-inch Drives with RAID 0/1 Controller with 256 MB Cache
- 4.2.3 Up to eight 2.5-inch Drives with RAID 5/6 Controller with 256 MB Cache
- 4.2.4 Up to eight 2.5-inch Drives with RAID 5/6 Controller with 512 MB Cache
- 4.2.5 Up to twelve 2.5-inch Drives with RAID 0/1 Controller with 256 MB Cache
- 4.2.6 Up to twelve 2.5-inch Drives with RAID 5/6 Controller with 256 MB Cache
- 4.2.7 Up to twelve 2.5-inch Drives with RAID 5/6 Controller with 512 MB Cache
- 4.2.8 3.5-inch Drives with On-board SATA Controller
- 4.2.9 3.5-inch Drives with RAID 0/1 Controller with 256 MB Cache
- 4.2.10 3.5-inch Drives with RAID 5/6 Controller with 256 MB Cache
- 4.2.11 3.5-inch Drives with RAID 5/6 Controller with 512 MB Cache
- 5 Optical Drive
- 6 Floppy Drive / Flash FDD
- 7 Internal Tape / RDX Drives
- 8 PCI Riser Card / PCI Card
- 9 Other Add-in Components
- 10 Add-on Components
- 11 Support Service
- References
- Revision History

CONFIGURATION GUIDE – NEC EXPRESS5800/R120b-2
NEC Corporation Revision 5.2, September 2011 15
3.1.2 Memory Mirroring / Memory Lockstep Configuration
Available slots: 4 per processor
Product Name / Description
Part Number
Additional 2GB Memory Module (2x 1GB)
2 GB (2 x 1 GB) DDR3-1333 ECC Registered Low Power DIMM
N8102-387
Additional 4GB Memory Module (2x 2GB)
4 GB (2 x 2 GB) DDR3-1333 ECC Registered Low Power DIMM
N8102-388
Additional 8GB Memory Module (2x 4GB)
8 GB (2 x 4 GB) DDR3-1333 ECC Registered Low Power DIMM
N8102-389
Additional 16GB Memory Module (2x 8GB)
16 GB (2 x 8 GB) DDR3-1333 ECC Registered Low Power DIMM
N8102-390
Additional 32GB Memory Module (2x 16GB)
32 GB (2 x 16 GB) DDR3-1066 ECC Registered Low Power DIMM
N8102-391
NOTE:
Minimum one memory kit per processor must be installed.
Memory Configuration Feature Comparison
See the table below for feature comparisons of memory configurations supported.
Independent
Channel
Memory
Sparing
Memory
Lockstep
Memory
Mirroring
Performance
Best
Better
Better
Good
Data Protection
No
Multiple single bit
error protection
No
Multiple single bit
and multi bit error
protection
Data Correction
ECC, x4 SDDC
ECC, x4 SDDC
ECC, x8 SDDC
ECC, x4 SDDC
Redundancy
No
Partly
No
Fully
Available Memory
Full physical
memory
Physical memory
excluding spare
memory
Full physical
memory
Half physical
memory
Available Memory
Channels
3
3
2
2
Notes
-
All DIMMs in the
system must be
identical.
Paired DIMMs must
be identical.
Paired DIMMs must
be identical.