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IBM 7945G2U Installation And User Manual page 26

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v IBM X-Architecture technology
v IBM ServerGuide Setup and Installation CD
v Integrated network support
v Large data-storage and hot-swap capability
v Light path diagnostics
v PCI adapter capabilities
v Memory mirroring
v Redundant connection
System x3650 M3 Types 4255, 7945, and 7949: Installation and User's Guide
programs and hardware configurations. You can obtain the measurement values
through the systems-management interface and view them, using IBM Systems
Director. For more information, see the IBM Director documentation on the IBM
Systems Director CD, or see
IBM X-Architecture technology combines proven, innovative IBM designs to make
your Intel-processor-based server powerful, scalable, and reliable. For more
information, see
– Active
The Active Memory
memory mirroring. Memory mirroring stores data in two pairs of DIMMs
– Large system-memory capacity
The memory bus supports up to 192 GB of system memory when registered
DIMMs are installed. The server supports up to 48 GB if unbuffered DIMMs
are installed. The memory controller supports error correcting code (ECC) for
up to 18 industry-standard PC3-10600R-999, 800, 1067, and 1333 MHz,
DDR3 (third-generation double-data-rate), synchronous dynamic random
access memory (SDRAM) dual inline memory modules (DIMMs).
The ServerGuide Setup and Installation CD, which you can download from the
Web, provides programs to help you set up the server and install a Windows
operating system. The ServerGuide program detects installed optional hardware
devices and provides the correct configuration programs and device drivers. For
more information about the ServerGuide Setup and Installation CD, see "Using
the ServerGuide Setup and Installation CD" on page 150.
The server comes with two integrated Broadcom Gigabit Ethernet controllers,
which support connection to a 10 Mbps, 100 Mbps, or 1000 Mbps network. For
more information, see "Configuring the Gigabit Ethernet controller" on page 156.
The server supports up to eight or sixteen 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.
Light path diagnostics provides LEDs to help you diagnose problems. For more
information, see the section about light path diagnostics in the Problem
Determination and Service Guide.
The server supports up to four PCI interface slots. For more information, see
"Installing a PCI adapter" on page 52.
Memory mirroring improves the availability of memory by writing information to
the main memory and redundant locations in a mirrored pair of DIMMs.
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
feature improves the reliability of memory through



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