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Memory subsystem
Memory subsystem features include:
4 GB or 8 GB memory standard expandable to 256 GB
Support for 1, 2, 4, and 8 GB DDR2 registered DIMMs
Maximum of 32 DIMM slots by installing four memory card (each card has
eight DIMMs sockets)
Active Memory™ with Memory ProteXion, hot-swap memory with memory
mirroring, hot-add memory with supported operating systems, and Chipkill™.
I/O slots and integrated NICs
I/O subsystem features include:
Seven 64-bit PCIe x8 full height (half-length) slots; two of these seven slots
are hot-swap
Integrated dual-port Broadcom NeXtreme II 5709C PCI Express Gigabit
Ethernet controller with Jumbo Frame support
Note: TCP Offload Engine (TOE) support is planned.
SAS RAID controller and HDD slots
Disk subsystem features include:
Integrated LSI 1078 SAS controller with support for RAID-0 and RAID-1
External JBOD SAS storage through external SAS x4 port (if IBM
ServeRAID™ MR10k SAS/SATA Controller is installed)
The SAS SFF-8088 connector is located above SMP Expansion Port 2 in
Figure 1-3 on page 4.
Up to four hot-swap 2.5-inch SAS hard drives (up to a maximum of 584 GB of
internal storage)
Systems management and security
Management and security features include:
Onboard BMC shares integrated Broadcom Gigabit Ethernet 1 interface
Remote Supervisor Adapter II with dedicated 10/100 Mbps Ethernet
management interface
The RSA Adapter II's 10/100 Mbps Ethernet port is located above the video
connector in Figure 1-3 on page 4.
Operator information panel (see Figure 1-2 on page 3), which provides light
path diagnostics information
6
Planning, Installing, and Managing the IBM System x3950 M2
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