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The server comes with two integrated Broadcom Gigabit Ethernet controllers,
which support connection to a 10-Mbps, 100-Mbps, or 1000-Mbps network.
v Large data-storage and hot-swap capability
The server supports up to eight or twelve 2.5-inch hot-swap hard disk drives in
the hot-swap bays (depending on the model and optional devices installed). With
the hot-swap feature, you can add, remove, or replace hard disk drives without
turning off the server.
v EasyLED diagnostics
EasyLED diagnostics provides LEDs to help you diagnose problems. For more
information, see “EasyLED diagnostics panel” on page 46
v Memory mirroring
Memory mirroring improves the availability of memory by writing information to
the main memory and redundant locations in a mirrored pair of DIMMs.
v Large system-memory capacity
The memory bus supports up to 128 GB of system memory. The memory
controller supports error correcting code (ECC) for up to 16 industry-standard
PC3-10600R-999 (single-rank or dual-rank), 800, 1067, and 1333 MHz, DDR3
(third-generation double-data-rate), registered, synchronous dynamic random
access memory (SDRAM) dual inline memory modules (DIMMs).
v PCI adapter capabilities
The server supports up to four PCI interface slots. For more information, see
“Installing a PCI adapter” on page 180.
v Redundant connection
The addition of the optional Ethernet daughter card provides failover capability to
a redundant Ethernet connection with the applicable application installed. If a
problem occurs with the primary Ethernet connection and the optional Ethernet
daughter card is installed on the server, all Ethernet traffic that is associated with
the primary connection is automatically switched to the optional redundant
Ethernet daughter card connection. If the applicable device drivers are installed,
this switching occurs without data loss and without user intervention.
v Redundant cooling and power capabilities
The server supports three hot-swap fans, which provide redundant cooling.
Redundant cooling enables continued operation if one of the fans fails. The
server supports up to two 675-watt ac power supplies, which provide redundancy
and hot-swap capability for a typical configuration. If the maximum load on the
server is less than 675 watts and a problem occurs with one of the power
supplies, the other power supply can meet the power requirements.
v RAID support
The server supports an internal RAID SAS Controller, which is required for you to
use the hot-swap hard disk drives and to create redundant array of independent
disks (RAID) configurations.
v TCP/IP offload engine (TOE) support
The Ethernet controllers in the server support TOE, which is a technology that
offloads the TCP/IP flow from the microprocessors and I/O subsystem to increase
the speed of the TCP/IP flow. When an operating system that supports TOE is
running on the server and TOE is enabled, the server supports TOE operation.
See the operating-system documentation for information about enabling TOE.
Note: As of the date of this document, the Linux
®
operating system does not
support TOE.
Chapter 3. General information 17